merge main into websitefinal

.github/workflows/deploy.yml

@@ -0,0 +1,73 @@
+name: Build and Deploy
+
+on:
+  push:
+    branches: [main, azure-deploy]
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set image names (lowercase)
+        run: |
+          OWNER=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
+          echo "BACKEND_IMAGE=ghcr.io/${OWNER}/petshop-backend" >> $GITHUB_ENV
+          echo "FRONTEND_IMAGE=ghcr.io/${OWNER}/petshop-web" >> $GITHUB_ENV
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push backend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./backend
+          push: true
+          tags: ${{ env.BACKEND_IMAGE }}:latest
+
+      - name: Build and push frontend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./web
+          push: true
+          tags: ${{ env.FRONTEND_IMAGE }}:latest
+          build-args: |
+            NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=${{ secrets.NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY }}
+
+      - name: Log in to Azure
+        uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+      - name: Deploy backend
+        run: |
+          az containerapp update \
+            --name ${{ secrets.AZURE_BACKEND_APP_NAME }} \
+            --resource-group ${{ secrets.AZURE_RESOURCE_GROUP }} \
+            --image ${{ env.BACKEND_IMAGE }}:latest \
+            --registry-server ${{ env.REGISTRY }} \
+            --registry-username ${{ github.actor }} \
+            --registry-password ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Deploy frontend
+        run: |
+          az containerapp update \
+            --name ${{ secrets.AZURE_FRONTEND_APP_NAME }} \
+            --resource-group ${{ secrets.AZURE_RESOURCE_GROUP }} \
+            --image ${{ env.FRONTEND_IMAGE }}:latest \
+            --registry-server ${{ env.REGISTRY }} \
+            --registry-username ${{ github.actor }} \
+            --registry-password ${{ secrets.GITHUB_TOKEN }}

.idea/markdown.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownSettings">
+    <option name="previewPanelProviderInfo">
+      <ProviderInfo name="Compose (experimental)" className="com.intellij.markdown.compose.preview.ComposePanelProvider" />
+    </option>
+  </component>
+</project>

android/app/build.gradle.kts

@@ -16,9 +16,9 @@ val localProperties = Properties().apply {
 fun quoted(value: String): String = "\"$value\""
 
 val emulatorBackendUrl =
-    (localProperties.getProperty("petstore.backend.emulatorUrl") ?: "http://10.0.2.2:8080/").trim()
+    (localProperties.getProperty("petstore.backend.emulatorUrl") ?: "https://petshop-backend.nicepond-c7280126.westus2.azurecontainerapps.io/").trim()
 val deviceBackendUrl =
-    (localProperties.getProperty("petstore.backend.deviceUrl") ?: "http://10.0.0.200:8080/").trim()
+    (localProperties.getProperty("petstore.backend.deviceUrl") ?: "https://petshop-backend.nicepond-c7280126.westus2.azurecontainerapps.io/").trim()
 
 android {
     namespace = "com.example.petstoremobile"

android/app/src/main/java/com/example/petstoremobile/activities/ForgotPasswordActivity.java

@@ -1,6 +1,7 @@
 package com.example.petstoremobile.activities;
 
 import android.os.Bundle;
+import android.view.View;
 import android.widget.Toast;
 
 import androidx.activity.EdgeToEdge;
@@ -9,14 +10,26 @@ import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+import com.example.petstoremobile.api.auth.AuthApi;
 import com.example.petstoremobile.databinding.ActivityForgotPasswordBinding;
 import com.example.petstoremobile.utils.InputValidator;
 
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.inject.Inject;
+
 import dagger.hilt.android.AndroidEntryPoint;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 
 @AndroidEntryPoint
 public class ForgotPasswordActivity extends AppCompatActivity {
 
+    @Inject
+    AuthApi authApi;
+
     private ActivityForgotPasswordBinding binding;
 
     @Override
@@ -33,14 +46,39 @@ public class ForgotPasswordActivity extends AppCompatActivity {
         });
 
         binding.btnSubmit.setOnClickListener(v -> {
-            if (InputValidator.isValidEmail(binding.etEmail)) {
-                String email = binding.etEmail.getText().toString().trim();
-                // TODO: Implement password reset logic here
-                Toast.makeText(this, "If this email is linked, a reset email will be sent.", Toast.LENGTH_LONG).show();
-                finish();
-            }
+            if (!InputValidator.isValidEmail(binding.etEmail)) return;
+            String email = binding.etEmail.getText().toString().trim();
+            sendResetLink(email);
         });
 
         binding.btnBackToLogin.setOnClickListener(v -> finish());
     }
+
+    private void sendResetLink(String email) {
+        binding.btnSubmit.setEnabled(false);
+
+        Map<String, String> body = new HashMap<>();
+        body.put("usernameOrEmail", email);
+
+        authApi.forgotPassword(body).enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+                if (binding == null) return;
+                binding.btnSubmit.setEnabled(true);
+                Toast.makeText(ForgotPasswordActivity.this,
+                        "If this email is registered, a reset link will be sent.",
+                        Toast.LENGTH_LONG).show();
+                finish();
+            }
+
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+                if (binding == null) return;
+                binding.btnSubmit.setEnabled(true);
+                Toast.makeText(ForgotPasswordActivity.this,
+                        "Could not send reset link. Please try again.",
+                        Toast.LENGTH_LONG).show();
+            }
+        });
+    }
 }

android/app/src/main/java/com/example/petstoremobile/adapters/ActivityLogAdapter.java

@@ -10,11 +10,19 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.dtos.ActivityLogDTO;
-import com.example.petstoremobile.utils.DateTimeUtils;
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 
 public class ActivityLogAdapter extends RecyclerView.Adapter<ActivityLogAdapter.ViewHolder> {
+
+    private static final String SEPARATOR = "  |  ";
+    private static final SimpleDateFormat INPUT_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.getDefault());
+    private static final SimpleDateFormat OUTPUT_FORMAT = new SimpleDateFormat("MMM d, HH:mm", Locale.getDefault());
+
     private final List<ActivityLogDTO> items;
 
     public ActivityLogAdapter(List<ActivityLogDTO> items) {
@@ -32,26 +40,77 @@ public class ActivityLogAdapter extends RecyclerView.Adapter<ActivityLogAdapter.
     @Override
     public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
         ActivityLogDTO log = items.get(position);
-        holder.tvActivity.setText(log.getActivity());
-        holder.tvUser.setText(log.getFullName() + " (" + log.getUsername() + ")");
-        holder.tvMeta.setText(log.getStoreName() + " · " + log.getRole());
-        String timestamp = log.getLogTimestamp();
-        String date = DateTimeUtils.extractDate(timestamp);
-        String time = (timestamp != null && timestamp.length() >= 16) ? timestamp.substring(11, 16) : null;
-        holder.tvTimestamp.setText(date != null && time != null ? date + " " + time : date);
+
+        String activity = log.getActivity() != null ? log.getActivity() : "";
+        int separatorIndex = activity.indexOf(SEPARATOR);
+        if (separatorIndex >= 0) {
+            holder.tvActivity.setText(activity.substring(0, separatorIndex).trim());
+            holder.tvTechnical.setText(activity.substring(separatorIndex + SEPARATOR.length()).trim());
+            holder.tvTechnical.setVisibility(View.VISIBLE);
+        } else {
+            holder.tvActivity.setText(activity);
+            holder.tvTechnical.setVisibility(View.GONE);
+        }
+
+        String fullName = firstNonBlank(log.getFullName(), log.getFullNameSnapshot(), "Unknown");
+        String username = firstNonBlank(log.getUsername(), log.getUsernameSnapshot(), "");
+        holder.tvUser.setText(username.isEmpty() ? fullName : fullName + " (" + username + ")");
+
+        String role = firstNonBlank(log.getRole(), log.getRoleSnapshot(), "");
+        String store = firstNonBlank(log.getStoreName(), log.getStoreNameSnapshot(), "");
+        if (!role.isEmpty() && !store.isEmpty()) {
+            holder.tvMeta.setText(store + " · " + formatRole(role));
+        } else if (!role.isEmpty()) {
+            holder.tvMeta.setText(formatRole(role));
+        } else if (!store.isEmpty()) {
+            holder.tvMeta.setText(store);
+        } else {
+            holder.tvMeta.setText("");
+        }
+
+        holder.tvTimestamp.setText(formatTimestamp(log.getLogTimestamp()));
     }
 
     @Override
     public int getItemCount() { return items.size(); }
 
+    private String formatTimestamp(String raw) {
+        if (raw == null) return "";
+        try {
+            String normalized = raw.length() > 19 ? raw.substring(0, 19) : raw;
+            Date date = INPUT_FORMAT.parse(normalized);
+            return date != null ? OUTPUT_FORMAT.format(date) : raw.substring(0, Math.min(16, raw.length())).replace("T", " ");
+        } catch (ParseException e) {
+            return raw.length() >= 16 ? raw.substring(0, 16).replace("T", " ") : raw;
+        }
+    }
+
+    private String formatRole(String role) {
+        if (role == null) return "";
+        switch (role.toUpperCase(Locale.ROOT)) {
+            case "ADMIN":    return "Admin";
+            case "STAFF":    return "Staff";
+            case "CUSTOMER": return "Customer";
+            default:         return role;
+        }
+    }
+
+    private String firstNonBlank(String... values) {
+        for (String v : values) {
+            if (v != null && !v.isBlank()) return v;
+        }
+        return "";
+    }
+
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        TextView tvActivity, tvUser, tvMeta, tvTimestamp;
+        TextView tvActivity, tvTechnical, tvUser, tvMeta, tvTimestamp;
 
         public ViewHolder(@NonNull View itemView) {
             super(itemView);
-            tvActivity = itemView.findViewById(R.id.tvLogActivity);
-            tvUser = itemView.findViewById(R.id.tvLogUser);
-            tvMeta = itemView.findViewById(R.id.tvLogMeta);
+            tvActivity  = itemView.findViewById(R.id.tvLogActivity);
+            tvTechnical = itemView.findViewById(R.id.tvLogTechnical);
+            tvUser      = itemView.findViewById(R.id.tvLogUser);
+            tvMeta      = itemView.findViewById(R.id.tvLogMeta);
             tvTimestamp = itemView.findViewById(R.id.tvLogTimestamp);
         }
     }

android/app/src/main/java/com/example/petstoremobile/adapters/MessageAdapter.java

@@ -11,11 +11,15 @@ import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.model.GlideUrl;
 import com.bumptech.glide.load.model.LazyHeaders;
+import com.bumptech.glide.signature.ObjectKey;
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.databinding.ItemMessageReceivedBinding;
 import com.example.petstoremobile.databinding.ItemMessageSentBinding;
 import com.example.petstoremobile.models.Message;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 
 public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
@@ -28,6 +32,7 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
 
     private final List<Message> messages;
     private Long currentUserId;
+    private Long staffId;
     private String token;
     private String baseUrl;
     private OnAttachmentClickListener attachmentClickListener;
@@ -35,6 +40,13 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
     public MessageAdapter(List<Message> messages, Long currentUserId) {
         this.messages = messages;
         this.currentUserId = currentUserId;
+        setHasStableIds(true);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        Message m = messages.get(position);
+        return m.getId() != null ? m.getId() : position;
     }
 
     public void setCurrentUserId(Long id) {
@@ -42,6 +54,11 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
         notifyDataSetChanged();
     }
 
+    public void setStaffId(Long id) {
+        this.staffId = id;
+        notifyDataSetChanged();
+    }
+
     public void setToken(String token) {
         this.token = token;
     }
@@ -79,7 +96,7 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
         Message m = messages.get(position);
         if (holder instanceof SentHolder)     ((SentHolder) holder).bind(m, token, baseUrl, attachmentClickListener);
-        if (holder instanceof ReceivedHolder) ((ReceivedHolder) holder).bind(m, token, baseUrl, attachmentClickListener);
+        if (holder instanceof ReceivedHolder) ((ReceivedHolder) holder).bind(m, token, baseUrl, attachmentClickListener, staffId);
     }
 
     @Override public int getItemCount() { return messages.size(); }
@@ -91,17 +108,18 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
             this.binding = binding;
         }
         void bind(Message m, String token, String baseUrl, OnAttachmentClickListener listener) {
-            // Check for Text
+            binding.tvSenderName.setText("You");
+            binding.tvTimestamp.setText(formatTimestamp(m.getTimestamp()));
+
             if (m.getContent() != null && !m.getContent().isEmpty()) {
                 binding.tvMessageContent.setVisibility(View.VISIBLE);
                 binding.tvMessageContent.setText(m.getContent());
             } else {
                 binding.tvMessageContent.setVisibility(View.GONE);
             }
-            
-            // Check for Attachment
+
             displayAttachment(m, binding.ivAttachment, binding.tvAttachmentName, token, baseUrl);
-            
+
             View.OnClickListener click = v -> {
                 if (listener != null) listener.onAttachmentClick(m);
             };
@@ -116,8 +134,10 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
             super(binding.getRoot());
             this.binding = binding;
         }
-        void bind(Message m, String token, String baseUrl, OnAttachmentClickListener listener) {
-            // Check for Text
+        void bind(Message m, String token, String baseUrl, OnAttachmentClickListener listener, Long staffId) {
+            binding.tvSenderName.setText(resolveSenderName(m, staffId));
+            binding.tvTimestamp.setText(formatTimestamp(m.getTimestamp()));
+
             if (m.getContent() != null && !m.getContent().isEmpty()) {
                 binding.tvMessageContent.setVisibility(View.VISIBLE);
                 binding.tvMessageContent.setText(m.getContent());
@@ -125,7 +145,6 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                 binding.tvMessageContent.setVisibility(View.GONE);
             }
 
-            // Check for Attachment
             displayAttachment(m, binding.ivAttachment, binding.tvAttachmentName, token, baseUrl);
 
             View.OnClickListener click = v -> {
@@ -136,7 +155,29 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
         }
     }
 
-    // helper function to display the attachment to the chat bubble
+    private static String resolveSenderName(Message m, Long staffId) {
+        if ("BOT".equalsIgnoreCase(m.getSenderRole())) {
+            return (m.getSenderDisplayName() != null && !m.getSenderDisplayName().isEmpty())
+                    ? m.getSenderDisplayName() : "AI Bot";
+        }
+        if (staffId != null && staffId.equals(m.getSenderId())) {
+            return "Staff";
+        }
+        return "Customer";
+    }
+
+    private static String formatTimestamp(String timestamp) {
+        if (timestamp == null || timestamp.isEmpty()) return "";
+        try {
+            String normalized = timestamp.length() > 19 ? timestamp.substring(0, 19) : timestamp;
+            SimpleDateFormat input = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.getDefault());
+            Date date = input.parse(normalized);
+            return new SimpleDateFormat("MMM d, HH:mm", Locale.getDefault()).format(date);
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
     private static void displayAttachment(Message m, ImageView iv, TextView tvName, String token, String baseUrl) {
         // Check if there's an attachment by looking at name or mime type
         if (m.getAttachmentName() != null || m.getAttachmentMimeType() != null) {
@@ -150,6 +191,7 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
             }
 
             if (url == null) {
+                Glide.with(iv.getContext()).clear(iv);
                 iv.setVisibility(View.GONE);
                 tvName.setVisibility(View.GONE);
                 return;
@@ -166,18 +208,25 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                             .build());
                 }
 
+                // Use a signature to prevent Glide from showing stale cached images for the same URL/ID
+                String signatureKey = (m.getTimestamp() != null ? m.getTimestamp() : "") + m.getId();
+
+                Glide.with(iv.getContext()).clear(iv);
                 Glide.with(iv.getContext())
                         .load(loadTarget)
+                        .signature(new ObjectKey(signatureKey))
                         .diskCacheStrategy(DiskCacheStrategy.ALL)
                         .placeholder(R.drawable.placeholder)
                         .error(R.drawable.placeholder)
                         .into(iv);
             } else {
+                Glide.with(iv.getContext()).clear(iv);
                 iv.setVisibility(View.GONE);
                 tvName.setVisibility(View.VISIBLE);
                 tvName.setText(m.getAttachmentName() != null ? m.getAttachmentName() : "Attachment");
             }
         } else {
+            Glide.with(iv.getContext()).clear(iv);
             iv.setVisibility(View.GONE);
             tvName.setVisibility(View.GONE);
         }

android/app/src/main/java/com/example/petstoremobile/adapters/PurchaseOrderAdapter.java

@@ -1,6 +1,5 @@
 package com.example.petstoremobile.adapters;
 
-import android.graphics.Color;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 import androidx.annotation.NonNull;
@@ -49,27 +48,6 @@ public class PurchaseOrderAdapter extends RecyclerView.Adapter<PurchaseOrderAdap
         binding.tvPOStore.setText("Store: " + (po.getStoreName() != null ? po.getStoreName() : ""));
         binding.tvPODate.setText("Date: " + (po.getOrderDate() != null ? po.getOrderDate() : ""));
 
-        String status = po.getStatus() != null ? po.getStatus() : "";
-        binding.tvPOStatus.setText(status);
-
-        switch (status.toUpperCase()) {
-            case "RECEIVED":
-                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
-                break;
-            case "PLACED":
-                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#2196F3"));
-                break;
-            case "PENDING":
-                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#FF9800"));
-                break;
-            case "CANCELLED":
-                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#F44336"));
-                break;
-            default:
-                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#9E9E9E"));
-                break;
-        }
-
         holder.itemView.setOnClickListener(v -> listener.onPurchaseOrderClick(position));
     }
 

android/app/src/main/java/com/example/petstoremobile/adapters/SaleAdapter.java

@@ -48,6 +48,12 @@ public class SaleAdapter extends RecyclerView.Adapter<SaleAdapter.SaleViewHolder
 
         binding.tvSaleId.setText("Sale #" + (s.getSaleId() != null ? s.getSaleId() : ""));
         binding.tvSaleEmployee.setText("By: " + (s.getEmployeeName() != null ? s.getEmployeeName() : ""));
+        if (s.getCustomerName() != null && !s.getCustomerName().isEmpty()) {
+            binding.tvSaleCustomer.setText("Customer: " + s.getCustomerName());
+            binding.tvSaleCustomer.setVisibility(View.VISIBLE);
+        } else {
+            binding.tvSaleCustomer.setVisibility(View.GONE);
+        }
         binding.tvSaleDate.setText(s.getSaleDate() != null ? s.getSaleDate().substring(0, Math.min(10, s.getSaleDate().length())) : "");
         binding.tvSalePayment.setText(s.getPaymentMethod() != null ? s.getPaymentMethod() : "");
         binding.tvSaleTotal.setText(s.getTotalAmount() != null ? "$" + s.getTotalAmount() : "");

android/app/src/main/java/com/example/petstoremobile/api/ActivityLogApi.java

@@ -15,6 +15,8 @@ public interface ActivityLogApi {
             @Query("limit") int limit,
             @Query("storeId") Long storeId,
             @Query("role") String role,
-            @Query("search") String search
+            @Query("search") String search,
+            @Query("startDate") String startDate,
+            @Query("endDate") String endDate
     );
 }

android/app/src/main/java/com/example/petstoremobile/api/SaleApi.java

@@ -20,6 +20,7 @@ public interface SaleApi {
             @Query("paymentMethod") String paymentMethod,
             @Query("storeId") Long storeId,
             @Query("isRefund") Boolean isRefund,
+            @Query("customerId") Long customerId,
             @Query("sort") String sort);
 
     @GET("api/v1/sales/{id}")

android/app/src/main/java/com/example/petstoremobile/api/auth/AuthApi.java

@@ -43,4 +43,8 @@ public interface AuthApi {
     @DELETE("api/v1/auth/me/avatar")
     Call<Void> deleteAvatar();
 
+    //forgot password endpoint
+    @POST("api/v1/auth/forgot-password")
+    Call<Void> forgotPassword(@Body Map<String, String> body);
+
 }

android/app/src/main/java/com/example/petstoremobile/dtos/MessageDTO.java

@@ -34,6 +34,12 @@ public class MessageDTO {
     @SerializedName("attachmentSizeBytes")
     private Long attachmentSizeBytes;
 
+    @SerializedName("senderRole")
+    private String senderRole;
+
+    @SerializedName("senderDisplayName")
+    private String senderDisplayName;
+
     public MessageDTO() {}
 
     public Long getId() { return id; }
@@ -65,4 +71,10 @@ public class MessageDTO {
 
     public Long getAttachmentSizeBytes() { return attachmentSizeBytes; }
     public void setAttachmentSizeBytes(Long attachmentSizeBytes) { this.attachmentSizeBytes = attachmentSizeBytes; }
+
+    public String getSenderRole() { return senderRole; }
+    public void setSenderRole(String senderRole) { this.senderRole = senderRole; }
+
+    public String getSenderDisplayName() { return senderDisplayName; }
+    public void setSenderDisplayName(String senderDisplayName) { this.senderDisplayName = senderDisplayName; }
 }

android/app/src/main/java/com/example/petstoremobile/fragments/ChatFragment.java

@@ -182,6 +182,7 @@ public class ChatFragment extends Fragment implements ChatAdapter.OnChatClickLis
         LinearLayoutManager lm = new LinearLayoutManager(getContext());
         lm.setStackFromEnd(true);
         binding.rvMessages.setLayoutManager(lm);
+        binding.rvMessages.setItemAnimator(null);
         binding.rvMessages.setAdapter(messageAdapter);
         setConversationActive(false, null);
     }
@@ -285,9 +286,14 @@ public class ChatFragment extends Fragment implements ChatAdapter.OnChatClickLis
         });
 
         viewModel.getMessageList().observe(getViewLifecycleOwner(), list -> {
+            int prevSize = messageList.size();
             messageList.clear();
             messageList.addAll(list);
-            messageAdapter.notifyDataSetChanged();
+            if (prevSize > 0 && list.size() == prevSize + 1) {
+                messageAdapter.notifyItemInserted(list.size() - 1);
+            } else {
+                messageAdapter.notifyDataSetChanged();
+            }
             scrollToBottom();
         });
 
@@ -356,6 +362,8 @@ public class ChatFragment extends Fragment implements ChatAdapter.OnChatClickLis
         binding.tvChatTitle.setText(chat.getCustomerName());
         binding.chatDrawerLayout.closeDrawer(GravityCompat.START);
 
+        messageAdapter.setStaffId(chat.getStaffId());
+
         if (stompChatManager != null) stompChatManager.subscribeToConversation(activeConversationId);
         viewModel.loadMessageHistory(activeConversationId);
     }
@@ -464,9 +472,7 @@ public class ChatFragment extends Fragment implements ChatAdapter.OnChatClickLis
     public void onMessageReceived(MessageDTO dto) {
         requireActivity().runOnUiThread(() -> {
             if (activeConversationId != null && activeConversationId.equals(dto.getConversationId())) {
-                if (!tokenManager.getUserId().equals(dto.getSenderId())) {
-                    viewModel.addMessageLocally(dto);
-                }
+                viewModel.addMessageLocally(dto);
             }
             viewModel.updateConversationLocally(new ConversationDTO(dto.getConversationId(), 0L, 0L, dto.getContent(), ""));
         });

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/ActivityLogFragment.java

@@ -1,5 +1,6 @@
 package com.example.petstoremobile.fragments.listfragments;
 
+import android.app.DatePickerDialog;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -10,6 +11,7 @@ import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.widget.Toast;
 
@@ -27,6 +29,7 @@ import com.example.petstoremobile.viewmodels.ActivityLogListViewModel;
 import javax.inject.Inject;
 
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 
 import dagger.hilt.android.AndroidEntryPoint;
@@ -38,6 +41,8 @@ public class ActivityLogFragment extends Fragment {
     private ActivityLogAdapter adapter;
     private final List<ActivityLogDTO> logList = new ArrayList<>();
     private List<DropdownDTO> storeList = new ArrayList<>();
+    private String selectedStartDate = null;
+    private String selectedEndDate = null;
 
     @Inject TokenManager tokenManager;
 
@@ -74,6 +79,22 @@ public class ActivityLogFragment extends Fragment {
         adapter = new ActivityLogAdapter(logList);
         binding.recyclerViewActivityLog.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewActivityLog.setAdapter(adapter);
+
+        binding.recyclerViewActivityLog.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewActivityLog.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    viewModel.loadLogs(false);
+                }
+            }
+        });
     }
 
     private void setupFilters() {
@@ -89,6 +110,35 @@ public class ActivityLogFragment extends Fragment {
                         ? binding.spinnerRoleFilter.getSelectedItem().toString() : "All Roles"));
 
         SpinnerUtils.setupFilterSpinner(binding.spinnerStoreFilter, this::onStoreSelected);
+
+        binding.btnStartDate.setOnClickListener(v -> showDatePicker(true));
+        binding.btnEndDate.setOnClickListener(v -> showDatePicker(false));
+        binding.btnClearDates.setOnClickListener(v -> {
+            selectedStartDate = null;
+            selectedEndDate = null;
+            binding.btnStartDate.setText("Start Date");
+            binding.btnEndDate.setText("End Date");
+            binding.btnClearDates.setVisibility(View.GONE);
+            viewModel.setDateRange(null, null);
+        });
+    }
+
+    private void showDatePicker(boolean isStart) {
+        Calendar cal = Calendar.getInstance();
+        new DatePickerDialog(requireContext(), (view, year, month, day) -> {
+            String date = String.format("%04d-%02d-%02d", year, month + 1, day);
+            String label = String.format("%02d/%02d/%04d", day, month + 1, year);
+            if (isStart) {
+                selectedStartDate = date;
+                binding.btnStartDate.setText(label);
+            } else {
+                selectedEndDate = date;
+                binding.btnEndDate.setText(label);
+            }
+            binding.btnClearDates.setVisibility(
+                    selectedStartDate != null || selectedEndDate != null ? View.VISIBLE : View.GONE);
+            viewModel.setDateRange(selectedStartDate, selectedEndDate);
+        }, cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH)).show();
     }
 
     private void onStoreSelected() {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/AdoptionFragment.java

@@ -14,6 +14,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.AdoptionAdapter;
@@ -114,14 +115,14 @@ public class AdoptionFragment extends Fragment implements AdoptionAdapter.OnAdop
                 adapter,
                 "adoption",
                 viewModel::bulkDeleteAdoptions,
-                this::loadAdoptions
+                () -> loadAdoptions(true)
         );
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        loadAdoptions();
+        loadAdoptions(true);
         if (!isStaff()) viewModel.loadStores();
     }
 
@@ -159,7 +160,7 @@ public class AdoptionFragment extends Fragment implements AdoptionAdapter.OnAdop
             } else {
                 selectedCalendarDay = null;
             }
-            loadAdoptions();
+            loadAdoptions(true);
         });
     }
 
@@ -187,26 +188,42 @@ public class AdoptionFragment extends Fragment implements AdoptionAdapter.OnAdop
         adapter = new AdoptionAdapter(adoptionList, this);
         binding.recyclerViewAdoptions.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewAdoptions.setAdapter(adapter);
+
+        binding.recyclerViewAdoptions.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewAdoptions.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadAdoptions(false);
+                }
+            }
+        });
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchAdoption, this::loadAdoptions);
+        UIUtils.attachSearch(binding.etSearchAdoption, () -> loadAdoptions(true));
     }
 
     private void setupStatusFilter() {
-        String[] statuses = {"All Statuses", "Completed", "Pending", "Cancelled"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatusAdoption, statuses, this::loadAdoptions);
+        String[] statuses = {"All Statuses", "Completed", "Pending", "Missed", "Cancelled"};
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatusAdoption, statuses, () -> loadAdoptions(true));
     }
 
     private void setupStoreFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerStoreAdoption, this::loadAdoptions);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerStoreAdoption, () -> loadAdoptions(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshAdoption.setOnRefreshListener(this::loadAdoptions);
+        binding.swipeRefreshAdoption.setOnRefreshListener(() -> loadAdoptions(true));
     }
 
-    private void loadAdoptions() {
+    private void loadAdoptions(boolean reset) {
         String query = binding.etSearchAdoption.getText().toString().trim();
         String status = binding.spinnerStatusAdoption.getSelectedItem() != null ? binding.spinnerStatusAdoption.getSelectedItem().toString() : "All Statuses";
 
@@ -230,7 +247,7 @@ public class AdoptionFragment extends Fragment implements AdoptionAdapter.OnAdop
         if (status.equals("All Statuses")) status = null;
         else status = status.toUpperCase();
 
-        viewModel.loadAdoptions(true, query, status, storeId, selectedDateString, null);
+        viewModel.loadAdoptions(reset, query, status, storeId, selectedDateString, null);
     }
 
     private void openDetail(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/AnalyticsFragment.java

@@ -7,11 +7,13 @@ import android.widget.*;
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import com.example.petstoremobile.api.auth.TokenManager;
 import com.example.petstoremobile.databinding.FragmentAnalyticsBinding;
 import com.example.petstoremobile.utils.SpinnerUtils;
 import com.example.petstoremobile.utils.UIUtils;
 import com.example.petstoremobile.viewmodels.AnalyticsViewModel;
 import dagger.hilt.android.AndroidEntryPoint;
+import javax.inject.Inject;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.*;
@@ -19,6 +21,9 @@ import java.util.*;
 @AndroidEntryPoint
 public class AnalyticsFragment extends Fragment {
 
+    @Inject
+    TokenManager tokenManager;
+
     private FragmentAnalyticsBinding binding;
     private AnalyticsViewModel viewModel;
     private boolean filtersExpanded = false;
@@ -33,6 +38,7 @@ public class AnalyticsFragment extends Fragment {
         viewModel = new ViewModelProvider(this).get(AnalyticsViewModel.class);
 
         setupFilterPanel();
+        setupViewModeToggle();
         observeViewModel();
         viewModel.loadAnalytics();
 
@@ -42,6 +48,39 @@ public class AnalyticsFragment extends Fragment {
         return binding.getRoot();
     }
 
+    private static final int COLOR_SELECTED = 0xFF4ECDC4;
+    private static final int COLOR_UNSELECTED = 0xFFCBD5E1;
+
+    private void setupViewModeToggle() {
+        updateViewModeButtonStyles(viewModel.getViewMode());
+
+        binding.btnMyAnalytics.setOnClickListener(v -> {
+            viewModel.setViewMode("mine");
+            updateViewModeButtonStyles("mine");
+            updateStoreFilterVisibility("mine");
+        });
+
+        binding.btnStoreAnalytics.setOnClickListener(v -> {
+            viewModel.setViewMode("store");
+            updateViewModeButtonStyles("store");
+            updateStoreFilterVisibility("store");
+        });
+    }
+
+    private void updateViewModeButtonStyles(String mode) {
+        binding.btnMyAnalytics.setBackgroundTintList(
+            android.content.res.ColorStateList.valueOf(mode.equals("mine") ? COLOR_SELECTED : COLOR_UNSELECTED));
+        binding.btnStoreAnalytics.setBackgroundTintList(
+            android.content.res.ColorStateList.valueOf(mode.equals("store") ? COLOR_SELECTED : COLOR_UNSELECTED));
+    }
+
+    private void updateStoreFilterVisibility(String mode) {
+        boolean isAdmin = "ADMIN".equalsIgnoreCase(tokenManager.getRole());
+        int vis = (isAdmin && mode.equals("store")) ? View.VISIBLE : View.GONE;
+        binding.tvStoreFilterLabel.setVisibility(vis);
+        binding.spinnerFilterStore.setVisibility(vis);
+    }
+
     // Filter Panel
 
     private void setupFilterPanel() {
@@ -96,6 +135,9 @@ public class AnalyticsFragment extends Fragment {
         int topNPos = binding.spinnerTopN.getSelectedItemPosition();
         filter.topN = (topNPos >= 0 && topNPos < TOP_N_VALUES.length) ? TOP_N_VALUES[topNPos] : 5;
 
+        Object store = binding.spinnerFilterStore.getSelectedItem();
+        viewModel.setStoreFilter(store != null ? store.toString() : "All Stores");
+
         updateFilterSummary();
         viewModel.applyFilter(filter);
     }
@@ -104,8 +146,8 @@ public class AnalyticsFragment extends Fragment {
         binding.etFilterStartDate.setText("");
         binding.etFilterEndDate.setText("");
         binding.spinnerTopN.setSelection(0);
-        // Reset payment method to "All"
         SpinnerUtils.setSelectionByValue(binding.spinnerFilterPayment, "All");
+        SpinnerUtils.setSelectionByValue(binding.spinnerFilterStore, "All Stores");
         updateFilterSummary();
         viewModel.resetFilter();
     }
@@ -162,6 +204,16 @@ public class AnalyticsFragment extends Fragment {
                     methods.toArray(new String[0]));
             SpinnerUtils.setSelectionByValue(binding.spinnerFilterPayment, currentSelection);
         });
+
+        viewModel.getAvailableStores().observe(getViewLifecycleOwner(), stores -> {
+            if (stores == null || stores.isEmpty()) return;
+            String currentSelection = binding.spinnerFilterStore.getSelectedItem() != null
+                    ? binding.spinnerFilterStore.getSelectedItem().toString() : "All Stores";
+            SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerFilterStore,
+                    stores.toArray(new String[0]));
+            SpinnerUtils.setSelectionByValue(binding.spinnerFilterStore, currentSelection);
+            updateStoreFilterVisibility(viewModel.getViewMode());
+        });
     }
 
     @Override
@@ -224,17 +276,22 @@ public class AnalyticsFragment extends Fragment {
         }
 
         // Employee Performance
-        binding.llEmployeePerformance.removeAllViews();
-        if (data.employeePerformance != null && !data.employeePerformance.isEmpty()) {
-            BigDecimal maxEmp = data.employeePerformance.get(0).getValue();
-            if (maxEmp.compareTo(BigDecimal.ZERO) == 0) maxEmp = BigDecimal.ONE;
-            for (Map.Entry<String, BigDecimal> e : data.employeePerformance) {
-                addBarRow(binding.llEmployeePerformance, e.getKey(),
-                        "$" + e.getValue().setScale(2, RoundingMode.HALF_UP),
-                        e.getValue().floatValue() / maxEmp.floatValue(), "#1a759f");
+        boolean showEmployeeSection = viewModel.getViewMode().equals("store");
+        View empParent = (View) binding.llEmployeePerformance.getParent();
+        if (empParent != null) empParent.setVisibility(showEmployeeSection ? View.VISIBLE : View.GONE);
+        if (showEmployeeSection) {
+            binding.llEmployeePerformance.removeAllViews();
+            if (data.employeePerformance != null && !data.employeePerformance.isEmpty()) {
+                BigDecimal maxEmp = data.employeePerformance.get(0).getValue();
+                if (maxEmp.compareTo(BigDecimal.ZERO) == 0) maxEmp = BigDecimal.ONE;
+                for (Map.Entry<String, BigDecimal> e : data.employeePerformance) {
+                    addBarRow(binding.llEmployeePerformance, e.getKey(),
+                            "$" + e.getValue().setScale(2, RoundingMode.HALF_UP),
+                            e.getValue().floatValue() / maxEmp.floatValue(), "#1a759f");
+                }
+            } else {
+                addEmptyRow(binding.llEmployeePerformance, "No data");
             }
-        } else {
-            addEmptyRow(binding.llEmployeePerformance, "No data");
         }
 
         // Daily Revenue

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/AppointmentFragment.java

@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -123,14 +124,14 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
                 adapter,
                 "appointment",
                 viewModel::bulkDeleteAppointments,
-                this::loadAppointmentData
+                () -> loadAppointmentData(true)
         );
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        loadAppointmentData();
+        loadAppointmentData(true);
         if (!isStaff()) viewModel.loadStores();
     }
 
@@ -143,7 +144,7 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
 
     private void setupMyAppointmentFilter() {
         binding.btnMyAppointments.setOnClickListener(v -> {
-            loadAppointmentData();
+            loadAppointmentData(true);
         });
     }
 
@@ -177,7 +178,7 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
             } else {
                 selectedCalendarDay = null;
             }
-            loadAppointmentData();
+            loadAppointmentData(true);
         });
     }
 
@@ -200,20 +201,20 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchAppointment, this::loadAppointmentData);
+        UIUtils.attachSearch(binding.etSearchAppointment, () -> loadAppointmentData(true));
     }
 
     private void setupStatusFilter() {
         String[] statuses = {"All Statuses", "Booked", "Completed", "Cancelled", "Missed"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatus, statuses, this::loadAppointmentData);
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatus, statuses, () -> loadAppointmentData(true));
     }
 
     private void setupStoreFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, this::loadAppointmentData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, () -> loadAppointmentData(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshAppointment.setOnRefreshListener(this::loadAppointmentData);
+        binding.swipeRefreshAppointment.setOnRefreshListener(() -> loadAppointmentData(true));
     }
 
     private void openAppointmentDetails(int position) {
@@ -241,7 +242,7 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
         return "STAFF".equalsIgnoreCase(tokenManager.getRole());
     }
 
-    private void loadAppointmentData() {
+    private void loadAppointmentData(boolean reset) {
         String query = binding.etSearchAppointment.getText().toString().trim();
         String status = binding.spinnerStatus.getSelectedItem() != null ? binding.spinnerStatus.getSelectedItem().toString() : "All Statuses";
 
@@ -270,13 +271,29 @@ public class AppointmentFragment extends Fragment implements AppointmentAdapter.
         if (status.equals("All Statuses")) status = null;
         else status = status.toUpperCase();
 
-        viewModel.loadAppointments(query, status, storeId, selectedDateString, employeeId);
+        viewModel.loadAppointments(reset, query, status, storeId, selectedDateString, employeeId);
     }
 
     private void setupRecyclerView() {
         adapter = new AppointmentAdapter(appointmentList, this);
         binding.recyclerViewAppointments.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewAppointments.setAdapter(adapter);
+
+        binding.recyclerViewAppointments.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewAppointments.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadAppointmentData(false);
+                }
+            }
+        });
     }
 
     @Override

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/CouponFragment.java

@@ -11,6 +11,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.CouponAdapter;
@@ -46,7 +47,7 @@ public class CouponFragment extends Fragment implements CouponAdapter.OnCouponCl
         setupSwipeRefresh();
         observeViewModel();
 
-        viewModel.loadCoupons(0, 100, null, null, null);
+        applyFilters(true);
 
         binding.fabAddCoupon.setOnClickListener(v -> openDetail(-1));
         binding.btnBulkDeleteCoupons.setOnClickListener(v -> confirmBulkDelete());
@@ -74,38 +75,54 @@ public class CouponFragment extends Fragment implements CouponAdapter.OnCouponCl
         adapter = new CouponAdapter(couponList, this);
         binding.recyclerViewCoupon.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewCoupon.setAdapter(adapter);
+
+        binding.recyclerViewCoupon.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewCoupon.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    applyFilters(false);
+                }
+            }
+        });
     }
 
     private void setupStatusFilter() {
         String[] statuses = {"All Statuses", "Active", "Inactive"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatusCoupon, statuses, this::applyFilters);
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatusCoupon, statuses, () -> applyFilters(true));
     }
 
     private void setupTypeFilter() {
         String[] types = {"All Types", "FIXED", "PERCENT"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerTypeCoupon, types, this::applyFilters);
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerTypeCoupon, types, () -> applyFilters(true));
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchCoupon, this::applyFilters);
+        UIUtils.attachSearch(binding.etSearchCoupon, () -> applyFilters(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshCoupon.setOnRefreshListener(this::applyFilters);
+        binding.swipeRefreshCoupon.setOnRefreshListener(() -> applyFilters(true));
     }
 
-    private void applyFilters() {
-        String statusStr = binding.spinnerStatusCoupon.getSelectedItem() != null ? 
+    private void applyFilters(boolean reset) {
+        String statusStr = binding.spinnerStatusCoupon.getSelectedItem() != null ?
                 binding.spinnerStatusCoupon.getSelectedItem().toString() : "All Statuses";
         Boolean active = null;
         if (statusStr.equals("Active")) active = true;
         else if (statusStr.equals("Inactive")) active = false;
 
-        String typeStr = binding.spinnerTypeCoupon.getSelectedItem() != null ? 
+        String typeStr = binding.spinnerTypeCoupon.getSelectedItem() != null ?
                 binding.spinnerTypeCoupon.getSelectedItem().toString() : "All Types";
         String discountType = typeStr.equals("All Types") ? null : typeStr;
 
-        viewModel.loadCoupons(0, 100, active, discountType, null);
+        viewModel.loadCoupons(reset, active, discountType, null);
     }
 
     private void openDetail(long id) {
@@ -133,7 +150,7 @@ public class CouponFragment extends Fragment implements CouponAdapter.OnCouponCl
                     viewModel.bulkDeleteCoupons(ids).observe(getViewLifecycleOwner(), resource -> {
                         if (resource.status == Resource.Status.SUCCESS) {
                             adapter.setSelectionMode(false);
-                            applyFilters();
+                            applyFilters(true);
                         } else if (resource.status == Resource.Status.ERROR) {
                             UIUtils.showToast(requireContext(), resource.message);
                         }

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/CustomerFragment.java

@@ -7,6 +7,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.CustomerAdapter;
 import com.example.petstoremobile.api.auth.TokenManager;
@@ -44,7 +45,7 @@ public class CustomerFragment extends Fragment implements CustomerAdapter.OnCust
         setupSwipeRefresh();
         observeViewModel();
 
-        viewModel.loadCustomers();
+        viewModel.loadCustomers(true);
 
         binding.fabAddCustomer.setOnClickListener(v -> openDetail(-1));
 
@@ -73,6 +74,22 @@ public class CustomerFragment extends Fragment implements CustomerAdapter.OnCust
         adapter.setToken(tokenManager.getToken());
         binding.recyclerViewCustomer.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewCustomer.setAdapter(adapter);
+
+        binding.recyclerViewCustomer.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewCustomer.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    viewModel.loadCustomers(false);
+                }
+            }
+        });
     }
 
     private void setupStatusFilter() {
@@ -92,7 +109,7 @@ public class CustomerFragment extends Fragment implements CustomerAdapter.OnCust
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshCustomer.setOnRefreshListener(viewModel::loadCustomers);
+        binding.swipeRefreshCustomer.setOnRefreshListener(() -> viewModel.loadCustomers(true));
     }
 
     private void openDetail(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/PetFragment.java

@@ -8,11 +8,11 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Toast;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.PetAdapter;
@@ -21,7 +21,6 @@ import com.example.petstoremobile.databinding.FragmentPetBinding;
 import com.example.petstoremobile.dtos.PetDTO;
 import com.example.petstoremobile.dtos.StoreDTO;
 import com.example.petstoremobile.utils.BulkDeleteHandler;
-import com.example.petstoremobile.utils.Resource;
 import com.example.petstoremobile.utils.SpinnerUtils;
 import com.example.petstoremobile.utils.UIUtils;
 import com.example.petstoremobile.viewmodels.PetListViewModel;
@@ -91,7 +90,7 @@ public class PetFragment extends Fragment implements PetAdapter.OnPetClickListen
 
         viewModel.getSpeciesOptions().observe(getViewLifecycleOwner(), options -> {
             String[] arr = options.toArray(new String[0]);
-            SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerSpecies, arr, this::loadPetData);
+            SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerSpecies, arr, () -> loadPetData(true));
         });
     }
 
@@ -104,14 +103,14 @@ public class PetFragment extends Fragment implements PetAdapter.OnPetClickListen
                 adapter,
                 "pet",
                 viewModel::bulkDeletePets,
-                this::loadPetData
+                () -> loadPetData(true)
         );
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        loadPetData();
+        loadPetData(true);
         viewModel.loadSpecies();
         if (!isStaff()) viewModel.loadStores();
     }
@@ -132,28 +131,28 @@ public class PetFragment extends Fragment implements PetAdapter.OnPetClickListen
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchPet, this::loadPetData);
+        UIUtils.attachSearch(binding.etSearchPet, () -> loadPetData(true));
     }
 
     private void setupStatusFilter() {
         String[] statuses = {"All Statuses", "Available", "Adopted", "Owned", "Pending"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatus, statuses, this::loadPetData);
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerStatus, statuses, () -> loadPetData(true));
     }
 
     private void setupSpeciesFilter() {
         String[] initial = {"All Species"};
-        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerSpecies, initial, this::loadPetData);
+        SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerSpecies, initial, () -> loadPetData(true));
     }
 
     private void setupStoreFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, this::loadPetData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, () -> loadPetData(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshPet.setOnRefreshListener(this::loadPetData);
+        binding.swipeRefreshPet.setOnRefreshListener(() -> loadPetData(true));
     }
 
-    private void loadPetData() {
+    private void loadPetData(boolean reset) {
         String query = binding.etSearchPet.getText().toString().trim();
         String status = binding.spinnerStatus.getSelectedItem() != null ? binding.spinnerStatus.getSelectedItem().toString() : "All Statuses";
         String species = binding.spinnerSpecies.getSelectedItem() != null ? binding.spinnerSpecies.getSelectedItem().toString() : "All Species";
@@ -169,7 +168,7 @@ public class PetFragment extends Fragment implements PetAdapter.OnPetClickListen
             }
         }
 
-        viewModel.loadPets(query, status, species, storeId);
+        viewModel.loadPets(reset, query, status, species, storeId);
     }
 
     private void setupRecyclerView() {
@@ -178,6 +177,22 @@ public class PetFragment extends Fragment implements PetAdapter.OnPetClickListen
         adapter.setToken(tokenManager.getToken());
         binding.recyclerViewPets.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewPets.setAdapter(adapter);
+
+        binding.recyclerViewPets.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewPets.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadPetData(false);
+                }
+            }
+        });
     }
 
     private void openPetProfile(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/ProductFragment.java

@@ -8,6 +8,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.view.LayoutInflater;
 import android.view.View;
@@ -85,28 +86,28 @@ public class ProductFragment extends Fragment implements ProductAdapter.OnProduc
     @Override
     public void onResume() {
         super.onResume();
-        loadProductData();
+        loadProductData(true);
         viewModel.loadCategories();
     }
 
     private void setupFilterToggle() {
-        UIUtils.setupFilterToggle(binding.btnToggleFilter, binding.layoutFilter, 
+        UIUtils.setupFilterToggle(binding.btnToggleFilter, binding.layoutFilter,
                 binding.etSearchProduct, binding.spinnerCategory);
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchProduct, this::loadProductData);
+        UIUtils.attachSearch(binding.etSearchProduct, () -> loadProductData(true));
     }
 
     private void setupCategoryFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerCategory, this::loadProductData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerCategory, () -> loadProductData(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshProduct.setOnRefreshListener(this::loadProductData);
+        binding.swipeRefreshProduct.setOnRefreshListener(() -> loadProductData(true));
     }
 
-    private void loadProductData() {
+    private void loadProductData(boolean reset) {
         String query = binding.etSearchProduct.getText().toString().trim();
         if (query.isEmpty()) query = null;
 
@@ -116,7 +117,7 @@ public class ProductFragment extends Fragment implements ProductAdapter.OnProduc
             categoryId = categories.get(binding.spinnerCategory.getSelectedItemPosition() - 1).getId();
         }
 
-        viewModel.loadProducts(query, categoryId);
+        viewModel.loadProducts(reset, query, categoryId);
     }
 
     private void setupRecyclerView() {
@@ -124,6 +125,22 @@ public class ProductFragment extends Fragment implements ProductAdapter.OnProduc
         adapter.setBaseUrl(baseUrl);
         binding.recyclerViewProducts.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewProducts.setAdapter(adapter);
+
+        binding.recyclerViewProducts.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewProducts.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadProductData(false);
+                }
+            }
+        });
     }
 
     private void openProductDetails(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/ProductSupplierFragment.java

@@ -11,6 +11,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.ProductSupplierAdapter;
@@ -34,7 +35,7 @@ public class ProductSupplierFragment extends Fragment
 
     private FragmentProductSupplierBinding binding;
     private List<ProductSupplierDTO> psList = new ArrayList<>();
-    
+
     private ProductSupplierAdapter adapter;
     private ProductSupplierListViewModel viewModel;
     private BulkDeleteHandler bulkDeleteHandler;
@@ -97,14 +98,14 @@ public class ProductSupplierFragment extends Fragment
                 adapter,
                 "relationship",
                 viewModel::bulkDeleteProductSuppliers,
-                this::loadData
+                () -> loadData(true)
         );
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        loadData();
+        loadData(true);
         viewModel.loadFilterData();
     }
 
@@ -123,25 +124,41 @@ public class ProductSupplierFragment extends Fragment
         adapter = new ProductSupplierAdapter(psList, this);
         binding.recyclerViewPS.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewPS.setAdapter(adapter);
+
+        binding.recyclerViewPS.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewPS.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadData(false);
+                }
+            }
+        });
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchPS, this::loadData);
+        UIUtils.attachSearch(binding.etSearchPS, () -> loadData(true));
     }
 
     private void setupProductFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerProduct, this::loadData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerProduct, () -> loadData(true));
     }
 
     private void setupSupplierFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerSupplier, this::loadData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerSupplier, () -> loadData(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshPS.setOnRefreshListener(this::loadData);
+        binding.swipeRefreshPS.setOnRefreshListener(() -> loadData(true));
     }
 
-    private void loadData() {
+    private void loadData(boolean reset) {
         String query = binding.etSearchPS.getText().toString().trim();
         if (query.isEmpty()) query = null;
 
@@ -157,7 +174,7 @@ public class ProductSupplierFragment extends Fragment
             supplierId = suppliers.get(binding.spinnerSupplier.getSelectedItemPosition() - 1).getSupId();
         }
 
-        viewModel.loadProductSuppliers(query, productId, supplierId);
+        viewModel.loadProductSuppliers(reset, query, productId, supplierId);
     }
 
     private void openDetail(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/PurchaseOrderFragment.java

@@ -11,6 +11,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.PurchaseOrderAdapter;
@@ -83,7 +84,7 @@ public class PurchaseOrderFragment extends Fragment
     @Override
     public void onResume() {
         super.onResume();
-        loadData();
+        loadData(true);
         if (!isStaff()) viewModel.loadStores();
     }
 
@@ -101,24 +102,40 @@ public class PurchaseOrderFragment extends Fragment
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchPO, this::loadData);
+        UIUtils.attachSearch(binding.etSearchPO, () -> loadData(true));
     }
 
     private void setupStoreFilter() {
-        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, this::loadData);
+        SpinnerUtils.setupFilterSpinner(binding.spinnerStore, () -> loadData(true));
     }
 
     private void setupRecyclerView() {
         adapter = new PurchaseOrderAdapter(poList, this);
         binding.recyclerViewPO.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewPO.setAdapter(adapter);
+
+        binding.recyclerViewPO.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewPO.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadData(false);
+                }
+            }
+        });
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshPO.setOnRefreshListener(this::loadData);
+        binding.swipeRefreshPO.setOnRefreshListener(() -> loadData(true));
     }
 
-    private void loadData() {
+    private void loadData(boolean reset) {
         String query = binding.etSearchPO != null ? binding.etSearchPO.getText().toString().trim() : "";
         if (query.isEmpty()) query = null;
 
@@ -133,7 +150,7 @@ public class PurchaseOrderFragment extends Fragment
             }
         }
 
-        viewModel.loadPurchaseOrders(query, storeId);
+        viewModel.loadPurchaseOrders(reset, query, storeId);
     }
 
     private void openDetail(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/SaleFragment.java

@@ -17,6 +17,7 @@ import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.SaleAdapter;
 import com.example.petstoremobile.api.auth.TokenManager;
 import com.example.petstoremobile.databinding.FragmentSaleBinding;
+import com.example.petstoremobile.dtos.CustomerDTO;
 import com.example.petstoremobile.dtos.SaleDTO;
 import com.example.petstoremobile.dtos.StoreDTO;
 import com.example.petstoremobile.utils.SpinnerUtils;
@@ -57,10 +58,11 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
         setupStoreFilter();
         setupPaymentMethodFilter();
         setupRefundStatusFilter();
+        setupCustomerFilter();
         setupSwipeRefresh();
         setupFilterToggle();
         observeViewModel();
-        
+
         loadSales(true);
 
         UIUtils.setupHamburgerMenu(binding.btnHamburger, this);
@@ -89,6 +91,11 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
                     StoreDTO::getStoreName, "All Stores", null, StoreDTO::getStoreId);
         });
 
+        viewModel.getCustomers().observe(getViewLifecycleOwner(), list -> {
+            SpinnerUtils.populateWhiteSpinner(requireContext(), binding.spinnerCustomer, list,
+                    CustomerDTO::getFullName, "All Customers", null, CustomerDTO::getCustomerId);
+        });
+
         viewModel.getIsLoading().observe(getViewLifecycleOwner(), loading -> {
             binding.swipeRefreshSale.setRefreshing(loading);
         });
@@ -98,16 +105,17 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
     public void onResume() {
         super.onResume();
         if (!isStaff()) viewModel.loadStores();
+        viewModel.loadCustomers();
     }
 
     private void setupFilterToggle() {
         if (isStaff()) {
             UIUtils.setupFilterToggle(binding.btnToggleFilter, binding.layoutFilter, binding.etSearchSale,
-                    binding.spinnerPaymentMethod, binding.spinnerRefundStatus);
+                    binding.spinnerPaymentMethod, binding.spinnerRefundStatus, binding.spinnerCustomer);
             binding.spinnerStore.setVisibility(View.GONE);
         } else {
             UIUtils.setupFilterToggle(binding.btnToggleFilter, binding.layoutFilter, binding.etSearchSale,
-                    binding.spinnerPaymentMethod, binding.spinnerStore, binding.spinnerRefundStatus);
+                    binding.spinnerPaymentMethod, binding.spinnerStore, binding.spinnerRefundStatus, binding.spinnerCustomer);
         }
     }
 
@@ -133,6 +141,10 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
         SpinnerUtils.setupStringFilterSpinner(requireContext(), binding.spinnerRefundStatus, refundStatuses, () -> loadSales(true));
     }
 
+    private void setupCustomerFilter() {
+        SpinnerUtils.setupFilterSpinner(binding.spinnerCustomer, () -> loadSales(true));
+    }
+
     private void setupRecyclerView() {
         adapter = new SaleAdapter(saleList, this);
         binding.recyclerViewSales.setLayoutManager(new LinearLayoutManager(getContext()));
@@ -189,7 +201,13 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
             isRefund = binding.spinnerRefundStatus.getSelectedItemPosition() == 2;
         }
 
-        viewModel.loadSales(reset, query, paymentMethod, storeId, isRefund);
+        Long customerId = null;
+        List<CustomerDTO> customerList = viewModel.getCustomers().getValue();
+        if (binding.spinnerCustomer.getSelectedItemPosition() > 0 && customerList != null && !customerList.isEmpty()) {
+            customerId = customerList.get(binding.spinnerCustomer.getSelectedItemPosition() - 1).getCustomerId();
+        }
+
+        viewModel.loadSales(reset, query, paymentMethod, storeId, isRefund, customerId);
     }
 
     @Override

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/StaffFragment.java

@@ -8,6 +8,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.adapters.EmployeeAdapter;
 import com.example.petstoremobile.api.auth.TokenManager;
@@ -39,15 +40,15 @@ public class StaffFragment extends Fragment implements EmployeeAdapter.OnEmploye
                              Bundle savedInstanceState) {
         binding = FragmentStaffBinding.inflate(inflater, container, false);
         viewModel = new ViewModelProvider(this).get(StaffListViewModel.class);
-        
+
         setupRecyclerView();
         setupSearch();
         setupStatusFilter();
         setupStoreFilter();
         setupSwipeRefresh();
         observeViewModel();
-        
-        viewModel.loadStaff();
+
+        viewModel.loadStaff(true);
         viewModel.loadStores();
 
         binding.fabAddStaff.setOnClickListener(v -> openDetail(-1));
@@ -82,6 +83,22 @@ public class StaffFragment extends Fragment implements EmployeeAdapter.OnEmploye
         adapter.setToken(tokenManager.getToken());
         binding.recyclerViewStaff.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewStaff.setAdapter(adapter);
+
+        binding.recyclerViewStaff.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewStaff.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    viewModel.loadStaff(false);
+                }
+            }
+        });
     }
 
     private void setupStatusFilter() {
@@ -99,9 +116,9 @@ public class StaffFragment extends Fragment implements EmployeeAdapter.OnEmploye
 
     private void applyFilters() {
         String query = binding.etSearchStaff.getText().toString().trim();
-        String status = binding.spinnerStatusStaff.getSelectedItem() != null ? 
+        String status = binding.spinnerStatusStaff.getSelectedItem() != null ?
                 binding.spinnerStatusStaff.getSelectedItem().toString() : "All Statuses";
-        
+
         Long storeId = null;
         List<StoreDTO> stores = viewModel.getStores().getValue();
         if (binding.spinnerStoreStaff.getSelectedItemPosition() > 0 && stores != null && !stores.isEmpty()) {
@@ -112,7 +129,7 @@ public class StaffFragment extends Fragment implements EmployeeAdapter.OnEmploye
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshStaff.setOnRefreshListener(viewModel::loadStaff);
+        binding.swipeRefreshStaff.setOnRefreshListener(() -> viewModel.loadStaff(true));
     }
 
     private void openDetail(int position) {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/SupplierFragment.java

@@ -8,6 +8,7 @@ import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.view.LayoutInflater;
 import android.view.View;
@@ -52,8 +53,8 @@ public class SupplierFragment extends Fragment implements SupplierAdapter.OnSupp
         setupFilterToggle();
         setupBulkDelete();
         observeViewModel();
-        
-        loadSupplierData();
+
+        loadSupplierData(true);
 
         binding.fabAddSupplier.setOnClickListener(v -> openSupplierDetails(-1));
 
@@ -83,7 +84,7 @@ public class SupplierFragment extends Fragment implements SupplierAdapter.OnSupp
                 adapter,
                 "supplier",
                 viewModel::bulkDeleteSuppliers,
-                this::loadSupplierData
+                () -> loadSupplierData(true)
         );
     }
 
@@ -98,11 +99,11 @@ public class SupplierFragment extends Fragment implements SupplierAdapter.OnSupp
     }
 
     private void setupSearch() {
-        UIUtils.attachSearch(binding.etSearchSupplier, this::loadSupplierData);
+        UIUtils.attachSearch(binding.etSearchSupplier, () -> loadSupplierData(true));
     }
 
     private void setupSwipeRefresh() {
-        binding.swipeRefreshSupplier.setOnRefreshListener(this::loadSupplierData);
+        binding.swipeRefreshSupplier.setOnRefreshListener(() -> loadSupplierData(true));
     }
 
     private void openSupplierDetails(int position) {
@@ -126,15 +127,31 @@ public class SupplierFragment extends Fragment implements SupplierAdapter.OnSupp
         }
     }
 
-    private void loadSupplierData() {
+    private void loadSupplierData(boolean reset) {
         String query = binding.etSearchSupplier != null ? binding.etSearchSupplier.getText().toString().trim() : "";
         if (query.isEmpty()) query = null;
-        viewModel.loadSuppliers(query);
+        viewModel.loadSuppliers(reset, query);
     }
 
     private void setupRecyclerView() {
         adapter = new SupplierAdapter(supplierList, this);
         binding.recyclerViewSuppliers.setLayoutManager(new LinearLayoutManager(getContext()));
         binding.recyclerViewSuppliers.setAdapter(adapter);
+
+        binding.recyclerViewSuppliers.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (dy <= 0) return;
+                LinearLayoutManager lm = (LinearLayoutManager) binding.recyclerViewSuppliers.getLayoutManager();
+                if (lm == null) return;
+                int visible = lm.getChildCount();
+                int total = lm.getItemCount();
+                int firstVis = lm.findFirstVisibleItemPosition();
+                Boolean isLoading = viewModel.getIsLoading().getValue();
+                if ((isLoading == null || !isLoading) && !viewModel.isLastPage() && (visible + firstVis) >= total - 3) {
+                    loadSupplierData(false);
+                }
+            }
+        });
     }
 }

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ProductSupplierDetailFragment.java

@@ -114,9 +114,18 @@ public class ProductSupplierDetailFragment extends Fragment {
             viewModel.setEditMode(productId, supplierId);
             preselectedProductId = productId;
             preselectedSupplierId = supplierId;
-            
+
             binding.tvPSMode.setText("Edit Product Supplier");
             binding.btnDeletePS.setVisibility(View.VISIBLE);
+
+            viewModel.loadProductSupplier().observe(getViewLifecycleOwner(), resource -> {
+                if (resource == null) return;
+                if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
+                    if (resource.data.getCost() != null) {
+                        binding.etPSCost.setText(resource.data.getCost().toPlainString());
+                    }
+                }
+            });
         } else {
             binding.tvPSMode.setText("Add Product Supplier");
             binding.btnDeletePS.setVisibility(View.GONE);

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/PurchaseOrderDetailFragment.java

@@ -1,6 +1,5 @@
 package com.example.petstoremobile.fragments.listfragments.detailfragments;
 
-import android.graphics.Color;
 import android.os.Bundle;
 import android.view.*;
 import android.widget.Toast;
@@ -82,26 +81,6 @@ public class PurchaseOrderDetailFragment extends Fragment {
                 binding.tvPODetailSupplier.setText(po.getSupplierName());
                 binding.tvPODetailStore.setText(po.getStoreName() != null ? po.getStoreName() : "N/A");
                 binding.tvPODetailDate.setText(po.getOrderDate());
-
-                String status = po.getStatus() != null ? po.getStatus() : "";
-                binding.tvPODetailStatus.setText(status);
-                switch (status.toUpperCase()) {
-                    case "RECEIVED":
-                        binding.tvPODetailStatus.setTextColor(Color.parseColor("#4CAF50"));
-                        break;
-                    case "PLACED":
-                        binding.tvPODetailStatus.setTextColor(Color.parseColor("#2196F3"));
-                        break;
-                    case "PENDING":
-                        binding.tvPODetailStatus.setTextColor(Color.parseColor("#FF9800"));
-                        break;
-                    case "CANCELLED":
-                        binding.tvPODetailStatus.setTextColor(Color.parseColor("#F44336"));
-                        break;
-                    default:
-                        binding.tvPODetailStatus.setTextColor(Color.parseColor("#9E9E9E"));
-                        break;
-                }
             } else if (resource.status == Resource.Status.ERROR) {
                 Toast.makeText(getContext(), "Failed to load order: " + resource.message, Toast.LENGTH_SHORT).show();
             }

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/SaleDetailFragment.java

@@ -111,6 +111,7 @@ public class SaleDetailFragment extends Fragment {
                 binding.llLoyaltyPoints.setVisibility(View.GONE);
                 binding.cbUseLoyaltyPoints.setChecked(false);
             }
+            updateTotal();
         });
     }
 
@@ -420,6 +421,15 @@ public class SaleDetailFragment extends Fragment {
         }
         
         binding.tvSaleDetailTotal.setText("Total: $" + String.format(Locale.getDefault(), "%.2f", total));
+
+        CustomerDTO customer = viewModel.getSelectedCustomerData().getValue();
+        if (customer != null && !viewModel.isViewOnly()) {
+            int pointsToEarn = total.max(BigDecimal.ZERO).intValue();
+            binding.tvPointsToEarn.setText("+" + pointsToEarn + " pts");
+            binding.llPointsToEarn.setVisibility(View.VISIBLE);
+        } else {
+            binding.llPointsToEarn.setVisibility(View.GONE);
+        }
     }
 
     private void saveSale() {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/StaffDetailFragment.java

@@ -28,8 +28,6 @@ public class StaffDetailFragment extends Fragment {
     private FragmentStaffDetailBinding binding;
     private StaffDetailViewModel viewModel;
 
-    private final String[] ROLES = {"STAFF", "ADMIN"};
-    private final String[] STAFF_ROLES = {"STORE_MANAGER", "SALES_ASSOCIATE", "GROOMER", "VETERINARIAN"};
     private final String[] STATUSES = {"Active", "Inactive"};
 
     private long preselectedStoreId = -1;
@@ -59,8 +57,6 @@ public class StaffDetailFragment extends Fragment {
     }
 
     private void setupSpinners() {
-        SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerStaffRole, ROLES);
-        SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerStaffType, STAFF_ROLES);
         SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerStaffStatus, STATUSES);
     }
 
@@ -112,8 +108,6 @@ public class StaffDetailFragment extends Fragment {
                     binding.etStaffEmail.setText(e.getEmail());
                     binding.etStaffPhone.setText(e.getPhone());
                     
-                    SpinnerUtils.setSelectionByValue(binding.spinnerStaffRole, e.getRole());
-                    SpinnerUtils.setSelectionByValue(binding.spinnerStaffType, e.getStaffRole());
                     binding.spinnerStaffStatus.setSelection(Boolean.TRUE.equals(e.getActive()) ? 0 : 1);
                     
                     preselectedStoreId = e.getPrimaryStoreId() != null ? e.getPrimaryStoreId() : -1;
@@ -131,17 +125,35 @@ public class StaffDetailFragment extends Fragment {
 
     private void save() {
         if (!InputValidator.isNotEmpty(binding.etStaffUsername, "Username")) return;
-        
+
+        String password = binding.etStaffPassword.getText().toString().trim();
+        String confirmPassword = binding.etStaffConfirmPassword.getText().toString().trim();
+
         if (!viewModel.isEditing()) {
             if (!InputValidator.isNotEmpty(binding.etStaffPassword, "Password")) return;
-            String pass = binding.etStaffPassword.getText().toString();
-            if (pass.length() < 6) {
+            if (password.length() < 6) {
                 binding.etStaffPassword.setError("At least 6 characters");
                 binding.etStaffPassword.requestFocus();
                 return;
             }
+            if (!password.equals(confirmPassword)) {
+                binding.etStaffConfirmPassword.setError("Passwords do not match");
+                binding.etStaffConfirmPassword.requestFocus();
+                return;
+            }
+        } else if (!password.isEmpty()) {
+            if (password.length() < 6) {
+                binding.etStaffPassword.setError("At least 6 characters");
+                binding.etStaffPassword.requestFocus();
+                return;
+            }
+            if (!password.equals(confirmPassword)) {
+                binding.etStaffConfirmPassword.setError("Passwords do not match");
+                binding.etStaffConfirmPassword.requestFocus();
+                return;
+            }
         }
-        
+
         if (!InputValidator.isNotEmpty(binding.etStaffFirstName, "First Name")) return;
         if (!InputValidator.isNotEmpty(binding.etStaffLastName, "Last Name")) return;
         if (!InputValidator.isValidEmail(binding.etStaffEmail)) return;
@@ -149,13 +161,12 @@ public class StaffDetailFragment extends Fragment {
         if (!InputValidator.isSpinnerSelected(binding.spinnerStaffStore, "Primary Store")) return;
 
         String username  = binding.etStaffUsername.getText().toString().trim();
-        String password  = binding.etStaffPassword.getText().toString().trim();
         String firstName = binding.etStaffFirstName.getText().toString().trim();
         String lastName  = binding.etStaffLastName.getText().toString().trim();
         String email     = binding.etStaffEmail.getText().toString().trim();
         String phone     = binding.etStaffPhone.getText().toString().trim();
-        String role      = ROLES[binding.spinnerStaffRole.getSelectedItemPosition()];
-        String staffRole = STAFF_ROLES[binding.spinnerStaffType.getSelectedItemPosition()];
+        String role      = "STAFF";
+        String staffRole = null;
         boolean active   = binding.spinnerStaffStatus.getSelectedItemPosition() == 0;
         
         List<DropdownDTO> stores = viewModel.getStoreList().getValue();

android/app/src/main/java/com/example/petstoremobile/models/Message.java

@@ -11,6 +11,8 @@ public class Message {
     private String attachmentName;
     private String attachmentMimeType;
     private Long attachmentSizeBytes;
+    private String senderRole;
+    private String senderDisplayName;
 
     public Message() {}
 
@@ -49,4 +51,10 @@ public class Message {
 
     public Long getAttachmentSizeBytes() { return attachmentSizeBytes; }
     public void setAttachmentSizeBytes(Long attachmentSizeBytes) { this.attachmentSizeBytes = attachmentSizeBytes; }
+
+    public String getSenderRole() { return senderRole; }
+    public void setSenderRole(String senderRole) { this.senderRole = senderRole; }
+
+    public String getSenderDisplayName() { return senderDisplayName; }
+    public void setSenderDisplayName(String senderDisplayName) { this.senderDisplayName = senderDisplayName; }
 }

android/app/src/main/java/com/example/petstoremobile/repositories/ActivityLogRepository.java

@@ -21,7 +21,7 @@ public class ActivityLogRepository extends BaseRepository {
         this.activityLogApi = activityLogApi;
     }
 
-    public LiveData<Resource<List<ActivityLogDTO>>> getActivityLogs(int limit, Long storeId, String role, String search) {
-        return executeCall(activityLogApi.getActivityLogs(limit, storeId, role, search));
+    public LiveData<Resource<List<ActivityLogDTO>>> getActivityLogs(int limit, Long storeId, String role, String search, String startDate, String endDate) {
+        return executeCall(activityLogApi.getActivityLogs(limit, storeId, role, search, startDate, endDate));
     }
 }

android/app/src/main/java/com/example/petstoremobile/repositories/SaleRepository.java

@@ -20,8 +20,8 @@ public class SaleRepository extends BaseRepository {
         this.saleApi = saleApi;
     }
 
-    public LiveData<Resource<PageResponse<SaleDTO>>> getAllSales(int page, int size, String query, String paymentMethod, Long storeId, Boolean isRefund, String sortBy) {
-        return executeCall(saleApi.getAllSales(page, size, query, paymentMethod, storeId, isRefund, sortBy));
+    public LiveData<Resource<PageResponse<SaleDTO>>> getAllSales(int page, int size, String query, String paymentMethod, Long storeId, Boolean isRefund, Long customerId, String sortBy) {
+        return executeCall(saleApi.getAllSales(page, size, query, paymentMethod, storeId, isRefund, customerId, sortBy));
     }
 
     public LiveData<Resource<SaleDTO>> getSaleById(Long id) {

android/app/src/main/java/com/example/petstoremobile/utils/InputValidator.java

@@ -100,13 +100,12 @@ public class InputValidator {
         return true;
     }
 
-    // Checks if the phone number is valid in (XXX) XXX-XXXX format
+    // Checks if the phone number is valid: XXX-XXX-XXXX, (XXX) XXX-XXXX, or XXXXXXXXXX
     public static boolean isValidPhone(EditText field) {
         String phone = field.getText().toString().trim();
-        // Matches (XXX) XXX-XXXX format
-        String pattern = "^\\(\\d{3}\\) \\d{3}-\\d{4}$";
+        String pattern = "^(\\(\\d{3}\\) \\d{3}-\\d{4}|\\d{3}-\\d{3}-\\d{4}|\\d{10})$";
         if (phone.isEmpty() || !phone.matches(pattern)) {
-            field.setError("Enter a valid phone number: (XXX) XXX-XXXX");
+            field.setError("Enter a valid phone number");
             field.requestFocus();
             return false;
         }

android/app/src/main/java/com/example/petstoremobile/viewmodels/ActivityLogListViewModel.java

@@ -20,7 +20,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel;
 
 @HiltViewModel
 public class ActivityLogListViewModel extends ViewModel {
-    private static final int LIMIT = 2000;
+    private static final int PAGE_SIZE = 20;
 
     private final ActivityLogRepository repository;
     private final StoreRepository storeRepository;
@@ -32,6 +32,11 @@ public class ActivityLogListViewModel extends ViewModel {
     private Long currentStoreId = null;
     private String currentRole = null;
     private String currentSearch = null;
+    private String currentStartDate = null;
+    private String currentEndDate = null;
+
+    private int currentLimit = PAGE_SIZE;
+    private boolean isLastPage = false;
 
     @Inject
     public ActivityLogListViewModel(ActivityLogRepository repository, StoreRepository storeRepository) {
@@ -42,10 +47,11 @@ public class ActivityLogListViewModel extends ViewModel {
     public LiveData<List<ActivityLogDTO>> getLogs() { return logs; }
     public LiveData<List<DropdownDTO>> getStoreOptions() { return storeOptions; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
 
     public void loadInitialData() {
         loadStores();
-        loadLogs();
+        loadLogs(true);
     }
 
     private void loadStores() {
@@ -56,12 +62,24 @@ public class ActivityLogListViewModel extends ViewModel {
         });
     }
 
-    public void loadLogs() {
+    public void loadLogs(boolean reset) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentLimit = PAGE_SIZE;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
+
         isLoading.setValue(true);
-        observeOnce(repository.getActivityLogs(LIMIT, currentStoreId, currentRole, currentSearch), resource -> {
+        observeOnce(repository.getActivityLogs(currentLimit, currentStoreId, currentRole, currentSearch, currentStartDate, currentEndDate), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    logs.setValue(resource.data);
+                    List<ActivityLogDTO> result = resource.data;
+                    logs.setValue(result);
+                    isLastPage = result.size() < currentLimit;
+                    if (!isLastPage) currentLimit += PAGE_SIZE;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);
@@ -72,19 +90,26 @@ public class ActivityLogListViewModel extends ViewModel {
 
     public void setRoleFilter(String role) {
         currentRole = "All Roles".equals(role) ? null : role;
-        loadLogs();
+        loadLogs(true);
     }
 
     public void setStoreFilter(Long storeId) {
         currentStoreId = storeId;
-        loadLogs();
+        loadLogs(true);
     }
 
     public void setSearchQuery(String query) {
         currentSearch = (query == null || query.trim().isEmpty()) ? null : query.trim();
-        loadLogs();
+        loadLogs(true);
     }
 
+    public void setDateRange(String startDate, String endDate) {
+        currentStartDate = startDate;
+        currentEndDate = endDate;
+        loadLogs(true);
+    }
+
+
     private <T> void observeOnce(LiveData<Resource<T>> liveData, Observer<Resource<T>> handler) {
         liveData.observeForever(new Observer<Resource<T>>() {
             @Override

android/app/src/main/java/com/example/petstoremobile/viewmodels/AdoptionListViewModel.java

@@ -52,6 +52,8 @@ public class AdoptionListViewModel extends ViewModel {
             isLastPage = false;
         }
 
+        if (isLastPage) return;
+
         if ("All Statuses".equals(status)) status = null;
 
         isLoading.setValue(true);

android/app/src/main/java/com/example/petstoremobile/viewmodels/AnalyticsViewModel.java

@@ -4,6 +4,7 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
+import com.example.petstoremobile.api.auth.TokenManager;
 import com.example.petstoremobile.dtos.SaleDTO;
 import com.example.petstoremobile.repositories.SaleRepository;
 import com.example.petstoremobile.utils.Resource;
@@ -21,6 +22,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.TreeMap;
+import java.util.stream.Collectors;
 
 import javax.inject.Inject;
 
@@ -29,33 +31,40 @@ import dagger.hilt.android.lifecycle.HiltViewModel;
 @HiltViewModel
 public class AnalyticsViewModel extends ViewModel {
     private final SaleRepository saleRepository;
+    private final TokenManager tokenManager;
 
     private final MutableLiveData<AnalyticsData> analyticsData = new MutableLiveData<>();
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
     private final MutableLiveData<String> errorMessage = new MutableLiveData<>();
     private final MutableLiveData<List<String>> availablePaymentMethods = new MutableLiveData<>(new ArrayList<>());
+    private final MutableLiveData<List<String>> availableStores = new MutableLiveData<>(new ArrayList<>());
 
     private List<SaleDTO> cachedSales = new ArrayList<>();
     private FilterState currentFilter = new FilterState();
+    private String viewMode = "store";
+    private String storeFilter = "All Stores";
 
     @Inject
-    public AnalyticsViewModel(SaleRepository saleRepository) {
+    public AnalyticsViewModel(SaleRepository saleRepository, TokenManager tokenManager) {
         this.saleRepository = saleRepository;
+        this.tokenManager = tokenManager;
     }
 
     public LiveData<AnalyticsData> getAnalyticsData() { return analyticsData; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
     public LiveData<String> getErrorMessage() { return errorMessage; }
     public LiveData<List<String>> getAvailablePaymentMethods() { return availablePaymentMethods; }
+    public LiveData<List<String>> getAvailableStores() { return availableStores; }
 
     public void loadAnalytics() {
         isLoading.setValue(true);
         errorMessage.setValue(null);
-        observeOnce(saleRepository.getAllSales(0, 2000, null, null, null, null, "saleDate,desc"), resource -> {
+        observeOnce(saleRepository.getAllSales(0, 2000, null, null, null, null, null, "saleDate,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
                     cachedSales = resource.data.getContent();
                     derivePaymentMethods();
+                    deriveStores();
                     applyCurrentFilter();
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
@@ -73,14 +82,61 @@ public class AnalyticsViewModel extends ViewModel {
 
     public void resetFilter() {
         currentFilter = new FilterState();
+        storeFilter = "All Stores";
         applyCurrentFilter();
     }
 
+    public void setViewMode(String mode) {
+        viewMode = mode;
+        applyCurrentFilter();
+    }
+
+    public String getViewMode() {
+        return viewMode;
+    }
+
+    public void setStoreFilter(String store) {
+        storeFilter = (store != null && !store.isEmpty()) ? store : "All Stores";
+        applyCurrentFilter();
+    }
+
+    public String getStoreFilter() {
+        return storeFilter;
+    }
+
     private void applyCurrentFilter() {
-        List<SaleDTO> filtered = filterSales(cachedSales, currentFilter);
+        List<SaleDTO> salesForMode;
+        if (viewMode.equals("mine")) {
+            String currentUser = tokenManager.getUsername();
+            salesForMode = cachedSales.stream()
+                .filter(s -> currentUser != null && currentUser.equalsIgnoreCase(s.getEmployeeName() != null ? s.getEmployeeName() : ""))
+                .collect(Collectors.toList());
+        } else {
+            salesForMode = cachedSales;
+        }
+        if (!storeFilter.equals("All Stores") && !storeFilter.isEmpty()) {
+            final String sf = storeFilter;
+            salesForMode = salesForMode.stream()
+                .filter(s -> sf.equalsIgnoreCase(s.getStoreName() != null ? s.getStoreName() : ""))
+                .collect(Collectors.toList());
+        }
+        List<SaleDTO> filtered = filterSales(salesForMode, currentFilter);
         computeAnalytics(filtered, currentFilter);
     }
 
+    private void deriveStores() {
+        java.util.Set<String> stores = new java.util.TreeSet<>();
+        for (SaleDTO s : cachedSales) {
+            if (s.getStoreName() != null && !s.getStoreName().isEmpty()) {
+                stores.add(s.getStoreName());
+            }
+        }
+        List<String> result = new ArrayList<>();
+        result.add("All Stores");
+        result.addAll(stores);
+        availableStores.setValue(result);
+    }
+
     private void derivePaymentMethods() {
         java.util.Set<String> methods = new java.util.TreeSet<>();
         for (SaleDTO s : cachedSales) {

android/app/src/main/java/com/example/petstoremobile/viewmodels/AppointmentListViewModel.java

@@ -29,6 +29,10 @@ public class AppointmentListViewModel extends ViewModel {
     private final MutableLiveData<List<StoreDTO>> stores = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public AppointmentListViewModel(AppointmentRepository appointmentRepository, StoreRepository storeRepository) {
         this.appointmentRepository = appointmentRepository;
@@ -38,13 +42,27 @@ public class AppointmentListViewModel extends ViewModel {
     public LiveData<List<AppointmentDTO>> getAppointments() { return appointments; }
     public LiveData<List<StoreDTO>> getStores() { return stores; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadAppointments(boolean reset, String query, String status, Long storeId, String date, Long employeeId) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadAppointments(String query, String status, Long storeId, String date, Long employeeId) {
         isLoading.setValue(true);
-        observeOnce(appointmentRepository.getAllAppointments(0, 500, query, status, storeId, date, employeeId, "appointmentId,desc"), resource -> {
+        observeOnce(appointmentRepository.getAllAppointments(currentPage, PAGE_SIZE, query, status, storeId, date, employeeId, "appointmentId,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    appointments.setValue(resource.data.getContent());
+                    List<AppointmentDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(appointments.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    appointments.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/ChatListViewModel.java

@@ -133,6 +133,11 @@ public class ChatListViewModel extends ViewModel {
 
     public void addMessageLocally(MessageDTO dto) {
         List<Message> current = new ArrayList<>(messageList.getValue());
+        if (dto.getId() != null) {
+            for (Message m : current) {
+                if (dto.getId().equals(m.getId())) return;
+            }
+        }
         current.add(dtoToModel(dto));
         messageList.setValue(current);
     }
@@ -168,6 +173,8 @@ public class ChatListViewModel extends ViewModel {
         m.setIsRead(dto.getIsRead());
         m.setAttachmentUrl(dto.getAttachmentUrl());
         m.setAttachmentName(dto.getAttachmentName());
+        m.setSenderRole(dto.getSenderRole());
+        m.setSenderDisplayName(dto.getSenderDisplayName());
         m.setAttachmentMimeType(dto.getAttachmentMimeType());
         m.setAttachmentSizeBytes(dto.getAttachmentSizeBytes());
         return m;

android/app/src/main/java/com/example/petstoremobile/viewmodels/CouponListViewModel.java

@@ -5,7 +5,6 @@ import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
 import com.example.petstoremobile.dtos.CouponDTO;
-import com.example.petstoremobile.dtos.PageResponse;
 import com.example.petstoremobile.repositories.CouponRepository;
 import com.example.petstoremobile.utils.Resource;
 
@@ -24,6 +23,10 @@ public class CouponListViewModel extends ViewModel {
     private final MutableLiveData<List<CouponDTO>> coupons = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public CouponListViewModel(CouponRepository repository) {
         this.repository = repository;
@@ -31,13 +34,27 @@ public class CouponListViewModel extends ViewModel {
 
     public LiveData<List<CouponDTO>> getCoupons() { return coupons; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadCoupons(boolean reset, Boolean active, String discountType, String sort) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadCoupons(int page, int size, Boolean active, String discountType, String sort) {
         isLoading.setValue(true);
-        observeOnce(repository.getAllCoupons(page, size, active, discountType, sort), resource -> {
+        observeOnce(repository.getAllCoupons(currentPage, PAGE_SIZE, active, discountType, sort), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    coupons.setValue(resource.data.getContent());
+                    List<CouponDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(coupons.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    coupons.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/CustomerListViewModel.java

@@ -25,6 +25,10 @@ public class CustomerListViewModel extends ViewModel {
     private final MutableLiveData<List<CustomerDTO>> filteredCustomers = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     private String lastQuery = "";
     private String lastStatus = "All Statuses";
 
@@ -35,14 +39,28 @@ public class CustomerListViewModel extends ViewModel {
 
     public LiveData<List<CustomerDTO>> getFilteredCustomers() { return filteredCustomers; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadCustomers(boolean reset) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadCustomers() {
         isLoading.setValue(true);
-        observeOnce(repository.getAllCustomers(0, 200), resource -> {
+        observeOnce(repository.getAllCustomers(currentPage, PAGE_SIZE), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    customers.setValue(resource.data.getContent());
-                    filter(lastQuery, lastStatus);
+                    List<CustomerDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(customers.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    customers.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
+                    applyFilter(currentList);
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);
@@ -66,23 +84,25 @@ public class CustomerListViewModel extends ViewModel {
     public void filter(String query, String status) {
         this.lastQuery = query;
         this.lastStatus = status;
+        applyFilter(customers.getValue());
+    }
 
-        List<CustomerDTO> all = customers.getValue();
+    private void applyFilter(List<CustomerDTO> all) {
         if (all == null) return;
 
         List<CustomerDTO> filtered = new ArrayList<>();
-        String lowerQuery = query.toLowerCase();
+        String lowerQuery = lastQuery.toLowerCase();
 
         for (CustomerDTO c : all) {
-            boolean matchesQuery = query.isEmpty() ||
+            boolean matchesQuery = lastQuery.isEmpty() ||
                     (c.getFullName() != null && c.getFullName().toLowerCase().contains(lowerQuery)) ||
                     (c.getUsername() != null && c.getUsername().toLowerCase().contains(lowerQuery)) ||
                     (c.getEmail() != null && c.getEmail().toLowerCase().contains(lowerQuery)) ||
                     (c.getPhone() != null && c.getPhone().toLowerCase().contains(lowerQuery));
 
-            boolean matchesStatus = status.equals("All Statuses") ||
-                    (status.equals("Active") && Boolean.TRUE.equals(c.getActive())) ||
-                    (status.equals("Inactive") && Boolean.FALSE.equals(c.getActive()));
+            boolean matchesStatus = lastStatus.equals("All Statuses") ||
+                    (lastStatus.equals("Active") && Boolean.TRUE.equals(c.getActive())) ||
+                    (lastStatus.equals("Inactive") && Boolean.FALSE.equals(c.getActive()));
 
             if (matchesQuery && matchesStatus) {
                 filtered.add(c);

android/app/src/main/java/com/example/petstoremobile/viewmodels/PetListViewModel.java

@@ -6,7 +6,6 @@ import androidx.lifecycle.ViewModel;
 
 import com.example.petstoremobile.dtos.BulkDeleteRequest;
 import com.example.petstoremobile.dtos.DropdownDTO;
-import com.example.petstoremobile.dtos.PageResponse;
 import com.example.petstoremobile.dtos.PetDTO;
 import com.example.petstoremobile.dtos.StoreDTO;
 import com.example.petstoremobile.repositories.PetRepository;
@@ -32,6 +31,10 @@ public class PetListViewModel extends ViewModel {
     private final MutableLiveData<List<String>> speciesOptions = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public PetListViewModel(PetRepository petRepository, StoreRepository storeRepository) {
         this.petRepository = petRepository;
@@ -42,16 +45,32 @@ public class PetListViewModel extends ViewModel {
     public LiveData<List<StoreDTO>> getStores() { return stores; }
     public LiveData<List<String>> getSpeciesOptions() { return speciesOptions; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadPets(boolean reset, String query, String status, String species, Long storeId) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadPets(String query, String status, String species, Long storeId) {
         if ("All Statuses".equals(status)) status = null;
         if ("All Species".equals(species)) species = null;
 
         isLoading.setValue(true);
-        observeOnce(petRepository.getAllPets(0, 100, query, status, species, storeId, null, "petName"), resource -> {
+        final String finalStatus = status;
+        final String finalSpecies = species;
+        observeOnce(petRepository.getAllPets(currentPage, PAGE_SIZE, query, finalStatus, finalSpecies, storeId, null, "petName"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    pets.setValue(resource.data.getContent());
+                    List<PetDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(pets.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    pets.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/ProductListViewModel.java

@@ -28,6 +28,10 @@ public class ProductListViewModel extends ViewModel {
     private final MutableLiveData<List<DropdownDTO>> categories = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public ProductListViewModel(ProductRepository productRepository, CategoryRepository categoryRepository) {
         this.productRepository = productRepository;
@@ -37,13 +41,27 @@ public class ProductListViewModel extends ViewModel {
     public LiveData<List<ProductDTO>> getProducts() { return products; }
     public LiveData<List<DropdownDTO>> getCategories() { return categories; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadProducts(boolean reset, String query, Long categoryId) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadProducts(String query, Long categoryId) {
         isLoading.setValue(true);
-        observeOnce(productRepository.getAllProducts(query, categoryId, 0, 100, "prodName"), resource -> {
+        observeOnce(productRepository.getAllProducts(query, categoryId, currentPage, PAGE_SIZE, "prodName"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    products.setValue(resource.data.getContent());
+                    List<ProductDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(products.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    products.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/ProductSupplierDetailViewModel.java

@@ -46,6 +46,10 @@ public class ProductSupplierDetailViewModel extends ViewModel {
         this.editSupplierId = supplierId;
     }
 
+    public LiveData<Resource<ProductSupplierDTO>> loadProductSupplier() {
+        return psRepository.getProductSupplierById(editProductId, editSupplierId);
+    }
+
     public boolean isEditing() { return isEditing; }
     public long getEditProductId() { return editProductId; }
     public long getEditSupplierId() { return editSupplierId; }

android/app/src/main/java/com/example/petstoremobile/viewmodels/ProductSupplierListViewModel.java

@@ -33,6 +33,10 @@ public class ProductSupplierListViewModel extends ViewModel {
     private final MutableLiveData<List<SupplierDTO>> suppliers = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public ProductSupplierListViewModel(ProductSupplierRepository psRepository, ProductRepository productRepository, SupplierRepository supplierRepository) {
         this.psRepository = psRepository;
@@ -44,13 +48,27 @@ public class ProductSupplierListViewModel extends ViewModel {
     public LiveData<List<ProductDTO>> getProducts() { return products; }
     public LiveData<List<SupplierDTO>> getSuppliers() { return suppliers; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadProductSuppliers(boolean reset, String query, Long productId, Long supplierId) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadProductSuppliers(String query, Long productId, Long supplierId) {
         isLoading.setValue(true);
-        observeOnce(psRepository.getAllProductSuppliers(0, 100, query, productId, supplierId, "productName"), resource -> {
+        observeOnce(psRepository.getAllProductSuppliers(currentPage, PAGE_SIZE, query, productId, supplierId, "productName"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    productSuppliers.setValue(resource.data.getContent());
+                    List<ProductSupplierDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(productSuppliers.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    productSuppliers.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/PurchaseOrderListViewModel.java

@@ -28,6 +28,10 @@ public class PurchaseOrderListViewModel extends ViewModel {
     private final MutableLiveData<List<StoreDTO>> stores = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public PurchaseOrderListViewModel(PurchaseOrderRepository purchaseOrderRepository, StoreRepository storeRepository) {
         this.purchaseOrderRepository = purchaseOrderRepository;
@@ -37,13 +41,27 @@ public class PurchaseOrderListViewModel extends ViewModel {
     public LiveData<List<PurchaseOrderDTO>> getPurchaseOrders() { return purchaseOrders; }
     public LiveData<List<StoreDTO>> getStores() { return stores; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadPurchaseOrders(boolean reset, String query, Long storeId) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadPurchaseOrders(String query, Long storeId) {
         isLoading.setValue(true);
-        observeOnce(purchaseOrderRepository.getAllPurchaseOrders(0, 100, query, storeId, "purchaseOrderId,desc"), resource -> {
+        observeOnce(purchaseOrderRepository.getAllPurchaseOrders(currentPage, PAGE_SIZE, query, storeId, "purchaseOrderId,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    purchaseOrders.setValue(resource.data.getContent());
+                    List<PurchaseOrderDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(purchaseOrders.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    purchaseOrders.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/viewmodels/RefundViewModel.java

@@ -35,7 +35,7 @@ public class RefundViewModel extends ViewModel {
     }
 
     public LiveData<Resource<PageResponse<SaleDTO>>> loadAllSales() {
-        return saleRepository.getAllSales(0, 1000, null, null, null, null, "saleDate,desc");
+        return saleRepository.getAllSales(0, 1000, null, null, null, null, null, "saleDate,desc");
     }
 
     public void setAllSales(List<SaleDTO> sales) {

android/app/src/main/java/com/example/petstoremobile/viewmodels/SaleListViewModel.java

@@ -4,9 +4,11 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
+import com.example.petstoremobile.dtos.CustomerDTO;
 import com.example.petstoremobile.dtos.PageResponse;
 import com.example.petstoremobile.dtos.SaleDTO;
 import com.example.petstoremobile.dtos.StoreDTO;
+import com.example.petstoremobile.repositories.CustomerRepository;
 import com.example.petstoremobile.repositories.SaleRepository;
 import com.example.petstoremobile.repositories.StoreRepository;
 import com.example.petstoremobile.utils.Resource;
@@ -24,27 +26,31 @@ import dagger.hilt.android.lifecycle.HiltViewModel;
 public class SaleListViewModel extends ViewModel {
     private final SaleRepository saleRepository;
     private final StoreRepository storeRepository;
+    private final CustomerRepository customerRepository;
 
     private final MutableLiveData<List<SaleDTO>> sales = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<List<StoreDTO>> stores = new MutableLiveData<>(new ArrayList<>());
+    private final MutableLiveData<List<CustomerDTO>> customers = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
-    
+
     private int currentPage = 0;
     private boolean isLastPage = false;
     private static final int PAGE_SIZE = 20;
 
     @Inject
-    public SaleListViewModel(SaleRepository saleRepository, StoreRepository storeRepository) {
+    public SaleListViewModel(SaleRepository saleRepository, StoreRepository storeRepository, CustomerRepository customerRepository) {
         this.saleRepository = saleRepository;
         this.storeRepository = storeRepository;
+        this.customerRepository = customerRepository;
     }
 
     public LiveData<List<SaleDTO>> getSales() { return sales; }
     public LiveData<List<StoreDTO>> getStores() { return stores; }
+    public LiveData<List<CustomerDTO>> getCustomers() { return customers; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
     public boolean isLastPage() { return isLastPage; }
 
-    public void loadSales(boolean reset, String query, String paymentMethod, Long storeId, Boolean isRefund) {
+    public void loadSales(boolean reset, String query, String paymentMethod, Long storeId, Boolean isRefund, Long customerId) {
         if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
 
         if (reset) {
@@ -53,7 +59,7 @@ public class SaleListViewModel extends ViewModel {
         }
 
         isLoading.setValue(true);
-        observeOnce(saleRepository.getAllSales(currentPage, PAGE_SIZE, query, paymentMethod, storeId, isRefund, "saleDate,desc"), resource -> {
+        observeOnce(saleRepository.getAllSales(currentPage, PAGE_SIZE, query, paymentMethod, storeId, isRefund, customerId, "saleDate,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
                     List<SaleDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(sales.getValue());
@@ -77,6 +83,14 @@ public class SaleListViewModel extends ViewModel {
         });
     }
 
+    public void loadCustomers() {
+        observeOnce(customerRepository.getAllCustomers(0, 500), resource -> {
+            if (resource != null && resource.status == Resource.Status.SUCCESS && resource.data != null) {
+                customers.setValue(resource.data.getContent());
+            }
+        });
+    }
+
     private <T> void observeOnce(LiveData<Resource<T>> liveData, Observer<Resource<T>> handler) {
         liveData.observeForever(new Observer<Resource<T>>() {
             @Override

android/app/src/main/java/com/example/petstoremobile/viewmodels/StaffListViewModel.java

@@ -28,6 +28,11 @@ public class StaffListViewModel extends ViewModel {
     private final MutableLiveData<List<EmployeeDTO>> filteredEmployees = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<List<StoreDTO>> stores = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
+
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     private String lastQuery = "";
     private Long lastStoreId = null;
     private String lastStatus = "All Statuses";
@@ -41,14 +46,28 @@ public class StaffListViewModel extends ViewModel {
     public LiveData<List<EmployeeDTO>> getFilteredEmployees() { return filteredEmployees; }
     public LiveData<List<StoreDTO>> getStores() { return stores; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadStaff(boolean reset) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadStaff() {
         isLoading.setValue(true);
-        observeOnce(repository.getAllEmployees(0, 100), resource -> {
+        observeOnce(repository.getAllEmployees(currentPage, PAGE_SIZE), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    employees.setValue(resource.data.getContent());
-                    filter(lastQuery, lastStoreId, lastStatus);
+                    List<EmployeeDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(employees.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    employees.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
+                    applyFilter(currentList);
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);
@@ -81,28 +100,27 @@ public class StaffListViewModel extends ViewModel {
         this.lastQuery = query;
         this.lastStoreId = storeId;
         this.lastStatus = status;
-        
-        List<EmployeeDTO> all = employees.getValue();
+        applyFilter(employees.getValue());
+    }
+
+    private void applyFilter(List<EmployeeDTO> all) {
         if (all == null) return;
 
         List<EmployeeDTO> filtered = new ArrayList<>();
-        String lowerQuery = query.toLowerCase();
+        String lowerQuery = lastQuery.toLowerCase();
 
         for (EmployeeDTO e : all) {
-            // Search Query Filter
-            boolean matchesQuery = query.isEmpty() || 
+            boolean matchesQuery = lastQuery.isEmpty() ||
                     (e.getFullName() != null && e.getFullName().toLowerCase().contains(lowerQuery)) ||
                     (e.getUsername() != null && e.getUsername().toLowerCase().contains(lowerQuery)) ||
                     (e.getEmail() != null && e.getEmail().toLowerCase().contains(lowerQuery)) ||
                     (e.getPhone() != null && e.getPhone().toLowerCase().contains(lowerQuery));
 
-            // Store Filter
-            boolean matchesStore = storeId == null || (e.getPrimaryStoreId() != null && e.getPrimaryStoreId().equals(storeId));
+            boolean matchesStore = lastStoreId == null || (e.getPrimaryStoreId() != null && e.getPrimaryStoreId().equals(lastStoreId));
 
-            // Status Filter
-            boolean matchesStatus = status.equals("All Statuses") ||
-                    (status.equals("Active") && Boolean.TRUE.equals(e.getActive())) ||
-                    (status.equals("Inactive") && Boolean.FALSE.equals(e.getActive()));
+            boolean matchesStatus = lastStatus.equals("All Statuses") ||
+                    (lastStatus.equals("Active") && Boolean.TRUE.equals(e.getActive())) ||
+                    (lastStatus.equals("Inactive") && Boolean.FALSE.equals(e.getActive()));
 
             if (matchesQuery && matchesStore && matchesStatus) {
                 filtered.add(e);

android/app/src/main/java/com/example/petstoremobile/viewmodels/SupplierListViewModel.java

@@ -25,6 +25,10 @@ public class SupplierListViewModel extends ViewModel {
     private final MutableLiveData<List<SupplierDTO>> suppliers = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<Boolean> isLoading = new MutableLiveData<>(false);
 
+    private int currentPage = 0;
+    private boolean isLastPage = false;
+    private static final int PAGE_SIZE = 20;
+
     @Inject
     public SupplierListViewModel(SupplierRepository repository) {
         this.repository = repository;
@@ -32,13 +36,27 @@ public class SupplierListViewModel extends ViewModel {
 
     public LiveData<List<SupplierDTO>> getSuppliers() { return suppliers; }
     public LiveData<Boolean> getIsLoading() { return isLoading; }
+    public boolean isLastPage() { return isLastPage; }
+
+    public void loadSuppliers(boolean reset, String query) {
+        if (isLoading.getValue() != null && isLoading.getValue() && !reset) return;
+
+        if (reset) {
+            currentPage = 0;
+            isLastPage = false;
+        }
+
+        if (isLastPage) return;
 
-    public void loadSuppliers(String query) {
         isLoading.setValue(true);
-        observeOnce(repository.getAllSuppliers(0, 100, query, "supCompany"), resource -> {
+        observeOnce(repository.getAllSuppliers(currentPage, PAGE_SIZE, query, "supCompany"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
-                    suppliers.setValue(resource.data.getContent());
+                    List<SupplierDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(suppliers.getValue());
+                    currentList.addAll(resource.data.getContent());
+                    suppliers.setValue(currentList);
+                    isLastPage = resource.data.isLast();
+                    if (!isLastPage) currentPage++;
                     isLoading.setValue(false);
                 } else if (resource.status == Resource.Status.ERROR) {
                     isLoading.setValue(false);

android/app/src/main/java/com/example/petstoremobile/websocket/StompChatManager.java

@@ -95,6 +95,7 @@ public class StompChatManager {
         headers.put("Authorization", "Bearer " + authToken);
 
         stompClient = Stomp.over(Stomp.ConnectionProvider.OKHTTP, webSocketUrl, headers);
+        stompClient.withClientHeartbeat(0).withServerHeartbeat(0);
 
         compositeDisposable.add(
                 stompClient.lifecycle()

android/app/src/main/res/layout/fragment_activity_log.xml

@@ -88,6 +88,57 @@
 
         </LinearLayout>
 
+        <!-- Date range pickers -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="8dp">
+
+            <Button
+                android:id="@+id/btnStartDate"
+                android:layout_width="0dp"
+                android:layout_height="44dp"
+                android:layout_weight="1"
+                android:text="Start Date"
+                android:textSize="12sp"
+                android:backgroundTint="@color/white"
+                android:textColor="@color/text_dark"
+                android:ellipsize="end"
+                android:maxLines="1"/>
+
+            <View
+                android:layout_width="8dp"
+                android:layout_height="0dp"/>
+
+            <Button
+                android:id="@+id/btnEndDate"
+                android:layout_width="0dp"
+                android:layout_height="44dp"
+                android:layout_weight="1"
+                android:text="End Date"
+                android:textSize="12sp"
+                android:backgroundTint="@color/white"
+                android:textColor="@color/text_dark"
+                android:ellipsize="end"
+                android:maxLines="1"/>
+
+            <View
+                android:layout_width="8dp"
+                android:layout_height="0dp"/>
+
+            <Button
+                android:id="@+id/btnClearDates"
+                android:layout_width="wrap_content"
+                android:layout_height="44dp"
+                android:text="Clear"
+                android:textSize="12sp"
+                android:backgroundTint="#e2e8f0"
+                android:textColor="@color/text_dark"
+                android:visibility="gone"/>
+
+        </LinearLayout>
+
         <!-- Role and Store spinners -->
         <LinearLayout
             android:layout_width="match_parent"
@@ -119,6 +170,7 @@
 
         </LinearLayout>
 
+
     </LinearLayout>
 
     <androidx.swiperefreshlayout.widget.SwipeRefreshLayout

android/app/src/main/res/layout/fragment_analytics.xml

@@ -45,6 +45,40 @@
 
         </LinearLayout>
 
+        <LinearLayout
+            android:id="@+id/llViewModeToggle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginStart="16dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="4dp">
+
+            <Button
+                android:id="@+id/btnMyAnalytics"
+                android:layout_width="0dp"
+                android:layout_height="36dp"
+                android:layout_weight="1"
+                android:text="My Analytics"
+                android:textSize="12sp"
+                android:backgroundTint="#CBD5E1"
+                android:textColor="@color/white"
+                android:layout_marginEnd="4dp"/>
+
+            <Button
+                android:id="@+id/btnStoreAnalytics"
+                android:layout_width="0dp"
+                android:layout_height="36dp"
+                android:layout_weight="1"
+                android:text="Store Analytics"
+                android:textSize="12sp"
+                android:backgroundTint="@color/primary_medium"
+                android:textColor="@color/white"
+                android:layout_marginStart="4dp"/>
+
+        </LinearLayout>
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -102,6 +136,23 @@
                 android:layout_marginTop="12dp"
                 android:visibility="gone">
 
+                <TextView
+                    android:id="@+id/tvStoreFilterLabel"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Store"
+                    android:textColor="@color/text_light"
+                    android:textSize="11sp"
+                    android:layout_marginBottom="4dp"
+                    android:visibility="gone"/>
+
+                <Spinner
+                    android:id="@+id/spinnerFilterStore"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="12dp"
+                    android:visibility="gone"/>
+
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"

android/app/src/main/res/layout/fragment_purchase_order_detail.xml

@@ -105,19 +105,6 @@
                         android:textSize="15sp"
                         android:layout_marginBottom="16dp"/>
 
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Status"
-                        android:textColor="@color/text_light"
-                        android:textSize="12sp"/>
-
-                    <TextView
-                        android:id="@+id/tvPODetailStatus"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:textSize="15sp"
-                        android:layout_marginBottom="16dp"/>
 
                 </LinearLayout>
 

android/app/src/main/res/layout/fragment_sale.xml

@@ -151,6 +151,15 @@
                     android:layout_marginStart="4dp"/>
             </LinearLayout>
 
+            <Spinner
+                android:id="@+id/spinnerCustomer"
+                android:layout_width="match_parent"
+                android:layout_height="44dp"
+                android:layout_marginTop="8dp"
+                android:background="@drawable/bg_spinner"
+                android:paddingStart="12dp"
+                android:paddingEnd="8dp"/>
+
         </LinearLayout>
 
         <androidx.swiperefreshlayout.widget.SwipeRefreshLayout

android/app/src/main/res/layout/fragment_sale_detail.xml

@@ -444,6 +444,30 @@
                             android:textColor="@color/accent_coral"
                             android:layout_gravity="end"
                             android:layout_marginTop="12dp"/>
+
+                        <LinearLayout
+                            android:id="@+id/llPointsToEarn"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:orientation="horizontal"
+                            android:layout_gravity="end"
+                            android:layout_marginTop="4dp"
+                            android:visibility="gone">
+                            <TextView
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:text="Points to earn: "
+                                android:textColor="#4ECDC4"
+                                android:textSize="13sp"/>
+                            <TextView
+                                android:id="@+id/tvPointsToEarn"
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:text="+0 pts"
+                                android:textColor="#4ECDC4"
+                                android:textSize="13sp"
+                                android:textStyle="bold"/>
+                        </LinearLayout>
                     </LinearLayout>
 
                 </LinearLayout>

android/app/src/main/res/layout/fragment_staff_detail.xml

@@ -101,6 +101,23 @@
                         android:inputType="textPassword"
                         android:layout_marginBottom="16dp"/>
 
+                    <!-- Confirm Password -->
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="Confirm Password"
+                        android:textColor="@color/text_dark"
+                        android:textSize="12sp"
+                        android:layout_marginBottom="4dp"/>
+
+                    <EditText
+                        android:id="@+id/etStaffConfirmPassword"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="Re-enter password"
+                        android:inputType="textPassword"
+                        android:layout_marginBottom="16dp"/>
+
                     <!-- First Name -->
                     <TextView
                         android:layout_width="wrap_content"
@@ -169,35 +186,6 @@
                         android:inputType="phone"
                         android:layout_marginBottom="16dp"/>
 
-                    <!-- Role -->
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="User Role"
-                        android:textColor="@color/text_dark"
-                        android:textSize="12sp"
-                        android:layout_marginBottom="4dp"/>
-
-                    <Spinner
-                        android:id="@+id/spinnerStaffRole"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_marginBottom="16dp"/>
-
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Staff Role"
-                        android:textColor="@color/text_dark"
-                        android:textSize="12sp"
-                        android:layout_marginBottom="4dp"/>
-
-                    <Spinner
-                        android:id="@+id/spinnerStaffType"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_marginBottom="16dp"/>
-
                     <TextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"

android/app/src/main/res/layout/item_activity_log.xml

@@ -13,17 +13,17 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:orientation="horizontal"
-        android:layout_marginBottom="4dp">
+        android:gravity="center_vertical"
+        android:layout_marginBottom="2dp">
 
         <TextView
             android:id="@+id/tvLogActivity"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:textSize="13sp"
+            android:textSize="14sp"
             android:textColor="@color/text_dark"
-            android:textStyle="bold"
-            android:fontFamily="monospace"/>
+            android:textStyle="bold"/>
 
         <TextView
             android:id="@+id/tvLogTimestamp"
@@ -36,18 +36,42 @@
     </LinearLayout>
 
     <TextView
-        android:id="@+id/tvLogUser"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="12sp"
-        android:textColor="@color/text_dark"
-        android:layout_marginBottom="2dp"/>
-
-    <TextView
-        android:id="@+id/tvLogMeta"
+        android:id="@+id/tvLogTechnical"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textSize="11sp"
-        android:textColor="@color/text_light"/>
+        android:textColor="@color/text_light"
+        android:fontFamily="monospace"
+        android:layout_marginBottom="6dp"
+        android:visibility="gone"/>
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="#F0F0F0"
+        android:layout_marginBottom="6dp"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical">
+
+        <TextView
+            android:id="@+id/tvLogUser"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textSize="12sp"
+            android:textColor="@color/text_dark"/>
+
+        <TextView
+            android:id="@+id/tvLogMeta"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="11sp"
+            android:textColor="@color/text_light"/>
+
+    </LinearLayout>
 
 </LinearLayout>

android/app/src/main/res/layout/item_message_received.xml

@@ -14,6 +14,15 @@
         android:padding="8dp"
         android:maxWidth="300dp">
 
+        <TextView
+            android:id="@+id/tvSenderName"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="@color/text_dark"
+            android:textStyle="bold"
+            android:textSize="12sp"
+            android:layout_marginBottom="4dp"/>
+
         <ImageView
             android:id="@+id/ivAttachment"
             android:layout_width="200dp"
@@ -38,6 +47,14 @@
             android:layout_height="wrap_content"
             android:text="Received message"
             android:textColor="@color/text_dark" />
+
+        <TextView
+            android:id="@+id/tvTimestamp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="#94a3b8"
+            android:textSize="11sp"
+            android:layout_marginTop="4dp"/>
     </LinearLayout>
 
 </LinearLayout>

android/app/src/main/res/layout/item_message_sent.xml

@@ -14,6 +14,16 @@
         android:padding="8dp"
         android:maxWidth="300dp">
 
+        <TextView
+            android:id="@+id/tvSenderName"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="You"
+            android:textColor="@color/white"
+            android:textStyle="bold"
+            android:textSize="12sp"
+            android:layout_marginBottom="4dp"/>
+
         <ImageView
             android:id="@+id/ivAttachment"
             android:layout_width="200dp"
@@ -38,6 +48,14 @@
             android:layout_height="wrap_content"
             android:text="Sent message"
             android:textColor="@color/white" />
+
+        <TextView
+            android:id="@+id/tvTimestamp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="#dbeafe"
+            android:textSize="11sp"
+            android:layout_marginTop="4dp"/>
     </LinearLayout>
 
 </LinearLayout>

android/app/src/main/res/layout/item_purchase_order.xml

@@ -27,19 +27,6 @@
             android:textSize="18sp"
             android:textStyle="bold" />
 
-        <TextView
-            android:id="@+id/tvPOStatus"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:paddingStart="8dp"
-            android:paddingTop="3dp"
-            android:paddingEnd="8dp"
-            android:paddingBottom="3dp"
-            android:text="Status"
-            android:textAllCaps="true"
-            android:textColor="@color/white"
-            android:textSize="11sp" />
-
     </LinearLayout>
 
     <TextView

android/app/src/main/res/layout/item_sale.xml

@@ -74,6 +74,15 @@
                     android:textColor="#888888"
                     android:textSize="14sp" />
 
+                <TextView
+                    android:id="@+id/tvSaleCustomer"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="2dp"
+                    android:textColor="#888888"
+                    android:textSize="14sp"
+                    android:visibility="gone" />
+
                 <TextView
                     android:id="@+id/tvSaleDate"
                     android:layout_width="wrap_content"

backend/.env.example

@@ -1,2 +1,4 @@
 STRIPE_SECRET_KEY=sk_test_...
 NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_...
+OPENROUTER_API_KEY=sk-or-v1-...
+RESEND_API_KEY=re_...

backend/.gitignore

@@ -44,7 +44,8 @@ build/
 .env
 
 ### Project Specific ###
-src/test/
+!src/test/
+!src/test/**
 tmp/
 uploads/*
 !uploads/avatars/

backend/Dockerfile

@@ -9,6 +9,5 @@ RUN mvn -q -DskipTests package
 FROM eclipse-temurin:25-jre
 WORKDIR /app
 COPY --from=build /app/target/*.jar app.jar
-COPY uploads ./uploads
 EXPOSE 8080
 ENTRYPOINT ["java","-jar","app.jar"]

backend/log.txt

@@ -0,0 +1,265 @@
+2026-04-14T20:46:27.127-06:00  INFO 332751 --- [petshop-backend] [main] org.flywaydb.core.FlywayExecutor         : Database: jdbc:mysql://localhost:3306/Petstoredb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC (MySQL 8.0)
+2026-04-14T20:46:27.163-06:00  INFO 332751 --- [petshop-backend] [main] o.f.core.internal.command.DbValidate     : Successfully validated 4 migrations (execution time 00:00.014s)
+2026-04-14T20:46:27.171-06:00  INFO 332751 --- [petshop-backend] [main] o.f.core.internal.command.DbMigrate      : Current version of schema `Petstoredb`: 3
+2026-04-14T20:46:27.179-06:00  INFO 332751 --- [petshop-backend] [main] o.f.core.internal.command.DbMigrate      : Migrating schema `Petstoredb` to version "4 - drop purchase order status"
+2026-04-14T20:46:27.207-06:00  INFO 332751 --- [petshop-backend] [main] o.f.core.internal.command.DbMigrate      : Successfully applied 1 migration to schema `Petstoredb`, now at version v4 (execution time 00:00.016s)
+2026-04-14T20:46:27.212-06:00  INFO 332751 --- [petshop-backend] [main] com.petshop.backend.BackendApplication   : Starting BackendApplication using Java 25.0.2 with PID 332751 (/home/user/threaded/main/backend/target/classes started by user in /home/user/threaded/main/backend)
+2026-04-14T20:46:27.213-06:00  INFO 332751 --- [petshop-backend] [main] com.petshop.backend.BackendApplication   : No active profile set, falling back to 1 default profile: "default"
+2026-04-14T20:46:27.648-06:00  INFO 332751 --- [petshop-backend] [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
+2026-04-14T20:46:27.688-06:00  INFO 332751 --- [petshop-backend] [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 36 ms. Found 22 JPA repository interfaces.
+2026-04-14T20:46:27.920-06:00  INFO 332751 --- [petshop-backend] [main] o.s.boot.tomcat.TomcatWebServer          : Tomcat initialized with port 8080 (http)
+2026-04-14T20:46:27.926-06:00  INFO 332751 --- [petshop-backend] [main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
+2026-04-14T20:46:27.926-06:00  INFO 332751 --- [petshop-backend] [main] o.apache.catalina.core.StandardEngine    : Starting Servlet engine: [Apache Tomcat/11.0.18]
+2026-04-14T20:46:27.944-06:00  INFO 332751 --- [petshop-backend] [main] b.w.c.s.WebApplicationContextInitializer : Root WebApplicationContext: initialization completed in 711 ms
+2026-04-14T20:46:28.006-06:00  INFO 332751 --- [petshop-backend] [main] org.hibernate.orm.jpa                    : HHH008540: Processing PersistenceUnitInfo [name: default]
+2026-04-14T20:46:28.025-06:00  INFO 332751 --- [petshop-backend] [main] org.hibernate.orm.core                   : HHH000001: Hibernate ORM core version 7.2.4.Final
+2026-04-14T20:46:28.185-06:00  INFO 332751 --- [petshop-backend] [main] o.s.o.j.p.SpringPersistenceUnitInfo      : No LoadTimeWeaver setup: ignoring JPA class transformer
+2026-04-14T20:46:28.198-06:00  INFO 332751 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
+2026-04-14T20:46:28.205-06:00  INFO 332751 --- [petshop-backend] [main] com.zaxxer.hikari.pool.HikariPool        : HikariPool-1 - Added connection com.mysql.cj.jdbc.ConnectionImpl@71e2ddd
+2026-04-14T20:46:28.206-06:00  INFO 332751 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
+2026-04-14T20:46:28.232-06:00  INFO 332751 --- [petshop-backend] [main] org.hibernate.orm.connections.pooling    : HHH10001005: Database info:
+	Database JDBC URL [jdbc:mysql://localhost:3306/Petstoredb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC]
+	Database driver: MySQL Connector/J
+	Database dialect: MySQLDialect
+	Database version: 8.0.45
+	Default catalog/schema: Petstoredb/undefined
+	Autocommit mode: undefined/unknown
+	Isolation level: REPEATABLE_READ [default REPEATABLE_READ]
+	JDBC fetch size: none
+	Pool: DataSourceConnectionProvider
+	Minimum pool size: undefined/unknown
+	Maximum pool size: undefined/unknown
+2026-04-14T20:46:28.790-06:00  INFO 332751 --- [petshop-backend] [main] org.hibernate.orm.core                   : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration)
+2026-04-14T20:46:28.813-06:00  INFO 332751 --- [petshop-backend] [main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
+2026-04-14T20:46:28.844-06:00  INFO 332751 --- [petshop-backend] [main] o.s.d.j.r.query.QueryEnhancerFactories   : Hibernate is in classpath; If applicable, HQL parser will be used.
+2026-04-14T20:46:29.610-06:00 ERROR 332751 --- [petshop-backend] [main] t.s.DeferredServletContainerInitializers : Error starting Tomcat context. Exception: org.springframework.beans.factory.UnsatisfiedDependencyException. Message: Error creating bean with name 'jwtAuthenticationFilter' defined in file [/home/user/threaded/main/backend/target/classes/com/petshop/backend/security/JwtAuthenticationFilter.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'jwtUtil': Injection of autowired dependencies failed
+2026-04-14T20:46:29.619-06:00  INFO 332751 --- [petshop-backend] [main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
+2026-04-14T20:46:29.620-06:00  WARN 332751 --- [petshop-backend] [main] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [HikariPool-1:housekeeper] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
+ java.base/jdk.internal.misc.Unsafe.park(Native Method)
+ java.base/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:271)
+ java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1803)
+ java.base/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1166)
+ java.base/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:883)
+ java.base/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1016)
+ java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
+ java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
+ java.base/java.lang.Thread.run(Thread.java:1474)
+2026-04-14T20:46:29.620-06:00  WARN 332751 --- [petshop-backend] [main] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [HikariPool-1:connection-adder] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
+ java.base/jdk.internal.misc.Unsafe.park(Native Method)
+ java.base/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:271)
+ java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1803)
+ java.base/java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:460)
+ java.base/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1015)
+ java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
+ java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
+ java.base/java.lang.Thread.run(Thread.java:1474)
+2026-04-14T20:46:29.621-06:00  WARN 332751 --- [petshop-backend] [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server
+2026-04-14T20:46:29.621-06:00  INFO 332751 --- [petshop-backend] [main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
+2026-04-14T20:46:29.623-06:00  INFO 332751 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
+2026-04-14T20:46:29.624-06:00  INFO 332751 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.
+2026-04-14T20:46:29.627-06:00  INFO 332751 --- [petshop-backend] [main] .s.b.a.l.ConditionEvaluationReportLogger : 
+
+Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
+2026-04-14T20:46:29.633-06:00 ERROR 332751 --- [petshop-backend] [main] o.s.boot.SpringApplication               : Application run failed
+
+org.springframework.context.ApplicationContextException: Unable to start web server
+	at org.springframework.boot.web.server.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:167) ~[spring-boot-web-server-4.0.3.jar:4.0.3]
+	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:615) ~[spring-context-7.0.5.jar:7.0.5]
+	at org.springframework.boot.web.server.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-web-server-4.0.3.jar:4.0.3]
+	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:756) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:445) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:321) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:154) ~[spring-boot-4.0.3.jar:4.0.3]
+	at com.petshop.backend.BackendApplication.main(BackendApplication.java:17) ~[classes/:na]
+Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
+	at org.springframework.boot.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:150) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	at org.springframework.boot.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:110) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	at org.springframework.boot.tomcat.servlet.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:408) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	at org.springframework.boot.tomcat.servlet.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:166) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.server.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:190) ~[spring-boot-web-server-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.server.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:164) ~[spring-boot-web-server-4.0.3.jar:4.0.3]
+	... 7 common frames omitted
+Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jwtAuthenticationFilter' defined in file [/home/user/threaded/main/backend/target/classes/com/petshop/backend/security/JwtAuthenticationFilter.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'jwtUtil': Injection of autowired dependencies failed
+	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:804) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:240) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1382) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1221) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:565) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:525) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:333) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:371) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:331) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:201) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.boot.web.servlet.ServletContextInitializerBeans.getOrderedBeansOfType(ServletContextInitializerBeans.java:231) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:185) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:180) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAdaptableBeans(ServletContextInitializerBeans.java:165) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.servlet.ServletContextInitializerBeans.<init>(ServletContextInitializerBeans.java:97) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.web.context.servlet.WebApplicationContextInitializer.initialize(WebApplicationContextInitializer.java:53) ~[spring-boot-4.0.3.jar:4.0.3]
+	at org.springframework.boot.tomcat.servlet.DeferredServletContainerInitializers.onStartup(DeferredServletContainerInitializers.java:55) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4416) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1162) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1158) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:328) ~[na:na]
+	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:81) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:149) ~[na:na]
+	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:714) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:780) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1162) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1158) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:328) ~[na:na]
+	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:81) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:149) ~[na:na]
+	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:714) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:201) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:410) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:864) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.apache.catalina.startup.Tomcat.start(Tomcat.java:435) ~[tomcat-embed-core-11.0.18.jar:11.0.18]
+	at org.springframework.boot.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:131) ~[spring-boot-tomcat-4.0.3.jar:4.0.3]
+	... 12 common frames omitted
+Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jwtUtil': Injection of autowired dependencies failed
+	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:499) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1446) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:525) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:333) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:371) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:331) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:201) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveBean(DefaultListableBeanFactory.java:1225) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1704) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1651) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:912) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ~[spring-beans-7.0.5.jar:7.0.5]
+	... 52 common frames omitted
+Caused by: org.springframework.util.PlaceholderResolutionException: Could not resolve placeholder 'JWT_SECRET' in value "${JWT_SECRET}" <-- "${jwt.secret}"
+	at org.springframework.util.PlaceholderResolutionException.withValue(PlaceholderResolutionException.java:81) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.util.PlaceholderParser$ParsedValue.resolve(PlaceholderParser.java:296) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.util.PlaceholderParser.replacePlaceholders(PlaceholderParser.java:129) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:96) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:286) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:257) ~[spring-core-7.0.5.jar:7.0.5]
+	at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.lambda$processProperties$0(PropertySourcesPlaceholderConfigurer.java:184) ~[spring-context-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:959) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1672) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1651) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:764) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:748) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:146) ~[spring-beans-7.0.5.jar:7.0.5]
+	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:493) ~[spring-beans-7.0.5.jar:7.0.5]
+	... 64 common frames omitted
+
+2026-04-14T20:47:58.809-06:00  INFO 333355 --- [petshop-backend] [main] org.flywaydb.core.FlywayExecutor         : Database: jdbc:mysql://localhost:3306/Petstoredb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC (MySQL 8.0)
+2026-04-14T20:47:58.842-06:00  INFO 333355 --- [petshop-backend] [main] o.f.core.internal.command.DbValidate     : Successfully validated 4 migrations (execution time 00:00.012s)
+2026-04-14T20:47:58.850-06:00  INFO 333355 --- [petshop-backend] [main] o.f.core.internal.command.DbMigrate      : Current version of schema `Petstoredb`: 4
+2026-04-14T20:47:58.851-06:00  INFO 333355 --- [petshop-backend] [main] o.f.core.internal.command.DbMigrate      : Schema `Petstoredb` is up to date. No migration necessary.
+2026-04-14T20:47:58.857-06:00  INFO 333355 --- [petshop-backend] [main] com.petshop.backend.BackendApplication   : Starting BackendApplication using Java 25.0.2 with PID 333355 (/home/user/threaded/main/backend/target/classes started by user in /home/user/threaded/main/backend)
+2026-04-14T20:47:58.857-06:00  INFO 333355 --- [petshop-backend] [main] com.petshop.backend.BackendApplication   : The following 1 profile is active: "local"
+2026-04-14T20:47:59.251-06:00  INFO 333355 --- [petshop-backend] [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
+2026-04-14T20:47:59.288-06:00  INFO 333355 --- [petshop-backend] [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 33 ms. Found 22 JPA repository interfaces.
+2026-04-14T20:47:59.550-06:00  INFO 333355 --- [petshop-backend] [main] o.s.boot.tomcat.TomcatWebServer          : Tomcat initialized with port 8080 (http)
+2026-04-14T20:47:59.557-06:00  INFO 333355 --- [petshop-backend] [main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
+2026-04-14T20:47:59.557-06:00  INFO 333355 --- [petshop-backend] [main] o.apache.catalina.core.StandardEngine    : Starting Servlet engine: [Apache Tomcat/11.0.18]
+2026-04-14T20:47:59.575-06:00  INFO 333355 --- [petshop-backend] [main] b.w.c.s.WebApplicationContextInitializer : Root WebApplicationContext: initialization completed in 699 ms
+2026-04-14T20:47:59.636-06:00  INFO 333355 --- [petshop-backend] [main] org.hibernate.orm.jpa                    : HHH008540: Processing PersistenceUnitInfo [name: default]
+2026-04-14T20:47:59.655-06:00  INFO 333355 --- [petshop-backend] [main] org.hibernate.orm.core                   : HHH000001: Hibernate ORM core version 7.2.4.Final
+2026-04-14T20:47:59.799-06:00  INFO 333355 --- [petshop-backend] [main] o.s.o.j.p.SpringPersistenceUnitInfo      : No LoadTimeWeaver setup: ignoring JPA class transformer
+2026-04-14T20:47:59.811-06:00  INFO 333355 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
+2026-04-14T20:47:59.817-06:00  INFO 333355 --- [petshop-backend] [main] com.zaxxer.hikari.pool.HikariPool        : HikariPool-1 - Added connection com.mysql.cj.jdbc.ConnectionImpl@6109366a
+2026-04-14T20:47:59.818-06:00  INFO 333355 --- [petshop-backend] [main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
+2026-04-14T20:47:59.845-06:00  INFO 333355 --- [petshop-backend] [main] org.hibernate.orm.connections.pooling    : HHH10001005: Database info:
+	Database JDBC URL [jdbc:mysql://localhost:3306/Petstoredb?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC]
+	Database driver: MySQL Connector/J
+	Database dialect: MySQLDialect
+	Database version: 8.0.45
+	Default catalog/schema: Petstoredb/undefined
+	Autocommit mode: undefined/unknown
+	Isolation level: REPEATABLE_READ [default REPEATABLE_READ]
+	JDBC fetch size: none
+	Pool: DataSourceConnectionProvider
+	Minimum pool size: undefined/unknown
+	Maximum pool size: undefined/unknown
+2026-04-14T20:48:00.410-06:00  INFO 333355 --- [petshop-backend] [main] org.hibernate.orm.core                   : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration)
+2026-04-14T20:48:00.429-06:00  INFO 333355 --- [petshop-backend] [main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
+2026-04-14T20:48:00.460-06:00  INFO 333355 --- [petshop-backend] [main] o.s.d.j.r.query.QueryEnhancerFactories   : Hibernate is in classpath; If applicable, HQL parser will be used.
+2026-04-14T20:48:01.322-06:00  INFO 333355 --- [petshop-backend] [main] o.s.boot.web.servlet.RegistrationBean    : Filter activityLoggingFilterRegistration was not registered (disabled)
+2026-04-14T20:48:02.531-06:00  INFO 333355 --- [petshop-backend] [main] o.s.m.s.b.SimpleBrokerMessageHandler     : Starting...
+2026-04-14T20:48:02.531-06:00  INFO 333355 --- [petshop-backend] [main] o.s.m.s.b.SimpleBrokerMessageHandler     : BrokerAvailabilityEvent[available=true, SimpleBrokerMessageHandler [org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry@6a975fe4]]
+2026-04-14T20:48:02.532-06:00  INFO 333355 --- [petshop-backend] [main] o.s.m.s.b.SimpleBrokerMessageHandler     : Started.
+2026-04-14T20:48:02.537-06:00  INFO 333355 --- [petshop-backend] [main] o.s.boot.tomcat.TomcatWebServer          : Tomcat started on port 8080 (http) with context path '/'
+2026-04-14T20:48:03.256-06:00  INFO 333355 --- [petshop-backend] [main] c.p.backend.service.ActivityLogService   : [ACTIVITY] CUSTOMER | ellie.washington | West Side Store | Email sent: Reminder: appointment tomorrow — Veterinary Checkup → ellie.washington@gmail.com
+2026-04-14T20:48:03.729-06:00  INFO 333355 --- [petshop-backend] [main] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | daniel.moore | West Side Store | Email sent: Reminder: appointment tomorrow — Veterinary Checkup → daniel.moore@petshop.com
+2026-04-14T20:48:03.742-06:00  INFO 333355 --- [petshop-backend] [main] com.petshop.backend.BackendApplication   : Started BackendApplication in 5.357 seconds (process running for 5.532)
+2026-04-14T20:48:05.562-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
+2026-04-14T20:48:05.562-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
+2026-04-14T20:48:05.563-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
+2026-04-14T20:48:05.571-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-1] c.p.b.s.RestAuthenticationEntryPoint     : Unauthorized request: POST /api/auth/login - Full authentication is required to access this resource
+2026-04-14T20:48:10.402-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-2] c.p.b.s.RestAuthenticationEntryPoint     : Unauthorized request: POST /api/auth/login - Full authentication is required to access this resource
+2026-04-14T20:48:10.431-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.b.s.RestAuthenticationEntryPoint     : Unauthorized request: POST /api/auth/login - Full authentication is required to access this resource
+2026-04-14T20:48:12.470-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.b.s.RestAuthenticationEntryPoint     : Unauthorized request: POST /api/auth/login - Full authentication is required to access this resource
+2026-04-14T20:48:14.398-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.b.s.RestAuthenticationEntryPoint     : Unauthorized request: POST /api/auth/login - Full authentication is required to access this resource
+2026-04-14T20:48:29.437-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:29.539-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:34.923-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:43.731-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:50.154-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-8] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:50.197-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/adoptions -> 200
+2026-04-14T20:48:53.571-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-1] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:53.594-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-2] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/adoptions -> 200
+2026-04-14T20:48:57.295-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:48:57.340-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/adoptions -> 200
+2026-04-14T20:49:02.530-06:00  INFO 333355 --- [petshop-backend] [MessageBroker-2] o.s.w.s.c.WebSocketMessageBrokerStats    : WebSocketSession[0 current WS(0)-HttpStream(0)-HttpPoll(0), 0 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(0)-CONNECTED(0)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], outboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], sockJsScheduler[pool size = 4, active threads = 1, queued tasks = 2, completed tasks = 1]
+2026-04-14T20:49:04.360-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:04.503-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-9] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets -> 200
+2026-04-14T20:49:04.532-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-2] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/adoptions -> 500
+2026-04-14T20:49:09.172-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:09.305-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets -> 200
+2026-04-14T20:49:13.132-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:13.158-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-8] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets/2 -> 200
+2026-04-14T20:49:18.817-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:18.967-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] org.hibernate.orm.jdbc.error             : HHH000247: ErrorCode: 1048, SQLState: 23000
+2026-04-14T20:49:18.967-06:00  WARN 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] org.hibernate.orm.jdbc.error             : Column 'sourceStoreId' cannot be null
+2026-04-14T20:49:18.973-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/adoptions -> 400
+2026-04-14T20:49:19.013-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets/2 -> 200
+2026-04-14T20:49:23.058-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:29.750-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:29.890-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users -> 200
+2026-04-14T20:49:30.434-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] CUSTOMER | customer | Downtown Branch | Email sent: Your adoption — Milo → customer@petshop.com
+2026-04-14T20:49:30.924-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | Email sent: Adoption assigned — Milo → staff@petshop.com
+2026-04-14T20:49:30.936-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/adoptions -> 201
+2026-04-14T20:49:36.666-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:36.690-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets/2 -> 200
+2026-04-14T20:49:36.719-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-9] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | DELETE /api/v1/adoptions/20 -> 204
+2026-04-14T20:49:36.736-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-2] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets/2 -> 200
+2026-04-14T20:49:44.162-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:56.940-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:49:57.066-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets -> 200
+2026-04-14T20:49:57.103-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/appointments -> 400
+2026-04-14T20:49:57.140-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/pets -> 200
+2026-04-14T20:49:57.654-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] CUSTOMER | customer | Downtown Branch | Email sent: Appointment confirmed — Pet Grooming → customer@petshop.com
+2026-04-14T20:49:58.138-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | Email sent: Appointment assigned — Pet Grooming → staff@petshop.com
+2026-04-14T20:49:58.147-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/appointments -> 201
+2026-04-14T20:50:03.962-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-8] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:04.077-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users/15 -> 200
+2026-04-14T20:50:07.463-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:07.485-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-7] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/products -> 200
+2026-04-14T20:50:14.352-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:14.473-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-3] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users/15 -> 200
+2026-04-14T20:50:14.509-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/sales -> 403
+2026-04-14T20:50:14.538-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users/15 -> 200
+2026-04-14T20:50:18.667-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-8] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:26.690-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-9] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:26.816-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-4] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | GET /api/v1/auth/me -> 200
+2026-04-14T20:50:26.893-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-5] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | POST /api/v1/auth/login -> 200
+2026-04-14T20:50:26.913-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-6] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users/15 -> 200
+2026-04-14T20:50:26.929-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-8] c.p.backend.service.ActivityLogService   : [ACTIVITY] STAFF | staff | Downtown Branch | POST /api/v1/sales -> 500
+2026-04-14T20:50:26.965-06:00  INFO 333355 --- [petshop-backend] [http-nio-0.0.0.0-8080-exec-10] c.p.backend.service.ActivityLogService   : [ACTIVITY] ADMIN | admin | Downtown Branch | GET /api/v1/users/15 -> 200
+2026-04-14T21:19:02.531-06:00  INFO 333355 --- [petshop-backend] [MessageBroker-6] o.s.w.s.c.WebSocketMessageBrokerStats    : WebSocketSession[0 current WS(0)-HttpStream(0)-HttpPoll(0), 0 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(0)-CONNECTED(0)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], outboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], sockJsScheduler[pool size = 11, active threads = 1, queued tasks = 2, completed tasks = 8]
+2026-04-14T21:49:02.532-06:00  INFO 333355 --- [petshop-backend] [MessageBroker-12] o.s.w.s.c.WebSocketMessageBrokerStats    : WebSocketSession[0 current WS(0)-HttpStream(0)-HttpPoll(0), 0 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(0)-CONNECTED(0)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], outboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], sockJsScheduler[pool size = 16, active threads = 1, queued tasks = 2, completed tasks = 15]
+2026-04-14T22:19:02.532-06:00  INFO 333355 --- [petshop-backend] [MessageBroker-15] o.s.w.s.c.WebSocketMessageBrokerStats    : WebSocketSession[0 current WS(0)-HttpStream(0)-HttpPoll(0), 0 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(0)-CONNECTED(0)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], outboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], sockJsScheduler[pool size = 16, active threads = 1, queued tasks = 2, completed tasks = 22]
+2026-04-14T22:49:02.533-06:00  INFO 333355 --- [petshop-backend] [MessageBroker-1] o.s.w.s.c.WebSocketMessageBrokerStats    : WebSocketSession[0 current WS(0)-HttpStream(0)-HttpPoll(0), 0 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(0)-CONNECTED(0)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], outboundChannel[pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0], sockJsScheduler[pool size = 16, active threads = 1, queued tasks = 2, completed tasks = 29]

backend/pom.xml

@@ -96,6 +96,18 @@
             <version>25.3.0</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.resend</groupId>
+            <artifactId>resend-java</artifactId>
+            <version>3.1.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.azure</groupId>
+            <artifactId>azure-storage-blob</artifactId>
+            <version>12.29.0</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

backend/src/main/java/com/petshop/backend/config/ActivityLoggingFilter.java

@@ -17,9 +17,9 @@ import org.springframework.web.filter.OncePerRequestFilter;
 
 import java.io.IOException;
 
-    @Component
-    @Order(Ordered.LOWEST_PRECEDENCE - 20)
-    public class ActivityLoggingFilter extends OncePerRequestFilter {
+@Component
+@Order(Ordered.LOWEST_PRECEDENCE - 20)
+public class ActivityLoggingFilter extends OncePerRequestFilter {
 
     private final ActivityLogService activityLogService;
 
@@ -30,13 +30,8 @@ import java.io.IOException;
     @Override
     protected boolean shouldNotFilter(HttpServletRequest request) {
         String uri = request.getRequestURI();
-        if (uri == null || uri.isBlank()) {
-            return true;
-        }
-        if (!uri.startsWith("/api/")) {
-            return true;
-        }
-
+        if (uri == null || uri.isBlank()) return true;
+        if (!uri.startsWith("/api/")) return true;
         String lower = uri.toLowerCase(java.util.Locale.ROOT);
         return lower.startsWith("/api/v1/health")
                 || lower.startsWith("/api/v1/activity-logs")
@@ -46,16 +41,15 @@ import java.io.IOException;
     }
 
     @Override
-    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
+            throws ServletException, IOException {
         filterChain.doFilter(request, response);
         recordActivity(request, response);
     }
 
     private void recordActivity(HttpServletRequest request, HttpServletResponse response) {
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
-        if (authentication == null || !authentication.isAuthenticated()) {
-            return;
-        }
+        if (authentication == null || !authentication.isAuthenticated()) return;
 
         Long userId = null;
         User.Role role = null;
@@ -69,11 +63,136 @@ import java.io.IOException;
             role = appPrincipal.getRole();
         }
 
-        if (userId == null || role == null || role == User.Role.CUSTOMER) {
-            return;
-        }
+        if (userId == null || role == null) return;
+        if ("GET".equalsIgnoreCase(request.getMethod())) return;
+
+        String method = request.getMethod();
+        String uri = request.getRequestURI();
+        int status = response.getStatus();
+
+        String technical = method + " " + uri + " → " + status;
+        String description = describe(method, uri, status);
+        String activity = description != null ? description + "  |  " + technical : technical;
 
-        String activity = String.format("%s %s -> %d", request.getMethod(), request.getRequestURI(), response.getStatus());
         activityLogService.record(userId, activity);
     }
+
+    private String describe(String method, String rawUri, int status) {
+        String uri = rawUri.contains("?") ? rawUri.substring(0, rawUri.indexOf('?')) : rawUri;
+        String[] parts = uri.replaceFirst("^/+", "").split("/");
+        if (parts.length < 3) return null;
+
+        String r = parts[2];
+        String seg3 = parts.length > 3 ? parts[3] : null;
+        String seg4 = parts.length > 4 ? parts[4] : null;
+        String seg5 = parts.length > 5 ? parts[5] : null;
+
+        boolean seg3IsId = seg3 != null && seg3.matches("\\d+");
+        boolean seg4IsId = seg4 != null && seg4.matches("\\d+");
+        String id = seg3IsId ? seg3 : null;
+        String sub = seg3IsId ? seg4 : seg3;
+        String subsub = seg3IsId ? seg5 : seg4;
+
+        boolean isGet    = "GET".equalsIgnoreCase(method);
+        boolean isPost   = "POST".equalsIgnoreCase(method);
+        boolean isPut    = "PUT".equalsIgnoreCase(method);
+        boolean isPatch  = "PATCH".equalsIgnoreCase(method);
+        boolean isDelete = "DELETE".equalsIgnoreCase(method);
+        boolean failed   = status >= 400;
+
+        switch (r) {
+            case "auth" -> {
+                if ("login".equals(seg3) && isPost)           return failed ? "Failed login attempt" : "Logged in";
+                if ("logout".equals(seg3) && isPost)          return "Logged out";
+                if ("register".equals(seg3) && isPost)        return failed ? "Failed registration attempt" : "Registered a new account";
+                if ("forgot-password".equals(seg3) && isPost) return "Requested a password reset";
+                if ("reset-password".equals(seg3) && isPost)  return "Reset their password";
+                if ("me".equals(seg3) && isPut)               return "Updated their profile";
+                if ("me".equals(seg3) && "avatar".equals(sub) && isPost)   return "Uploaded a profile picture";
+                if ("me".equals(seg3) && "avatar".equals(sub) && isDelete) return "Removed their profile picture";
+            }
+            case "cart" -> {
+                if ("add".equals(seg3) && isPost)             return "Added an item to cart";
+                if ("update".equals(seg3) && isPut)           return "Updated a cart item";
+                if ("remove".equals(seg3) && isDelete)        return "Removed an item from cart";
+                if ("clear".equals(seg3) && isDelete)         return "Cleared their cart";
+                if ("apply-coupon".equals(seg3) && isPost)    return "Applied a coupon to cart";
+                if ("checkout".equals(seg3)) {
+                    if ("complete".equals(seg4) && isPost)    return "Completed a purchase";
+                    if ("cancel".equals(seg4) && isPost)      return "Cancelled checkout";
+                    if (isPost)                               return "Started checkout";
+                }
+            }
+            case "chat" -> {
+                if ("conversations".equals(seg3) && isPost && seg4 == null) return "Started a new chat conversation";
+                if ("conversations".equals(seg3) && seg4IsId) {
+                    String convId = seg4;
+                    String chatSub = parts.length > 5 ? parts[5] : null;
+                    if ("messages".equals(seg5) && isPost)      return "Sent a chat message";
+                    if ("attachments".equals(seg5) && isPost)   return "Sent a file in chat";
+                    if ("request-human".equals(seg5) && isPost) return "Requested human support in chat";
+                    if (chatSub == null && isPut)               return "Updated chat conversation #" + convId;
+                }
+            }
+            case "ai-chat" -> {
+                if ("message".equals(seg3) && isPost) return "Sent a message to the AI assistant";
+            }
+            case "product-suppliers" -> {
+                if (isPost && seg3 == null)           return "Linked a product to a supplier";
+                if (seg3IsId && seg4IsId && isPut)    return "Updated product-supplier link";
+                if (seg3IsId && seg4IsId && isDelete) return "Removed product-supplier link";
+                if (isDelete && !seg3IsId)            return "Removed multiple product-supplier links";
+            }
+        }
+
+        String label = resourceLabel(r);
+        if (label == null) return null;
+
+        if ("image".equals(sub) && id != null) {
+            if (isPost)   return "Uploaded image for " + label + " #" + id;
+            if (isDelete) return "Removed image from " + label + " #" + id;
+        }
+
+        if ("cancel".equals(sub) && id != null && isPatch) return "Cancelled " + label + " #" + id;
+
+        if (isPost && id == null) {
+            if ("request".equals(seg3)) return "Submitted an adoption request";
+            if ("bulk-delete".equals(seg3)) return "Deleted multiple " + plural(label);
+            return "Created a new " + label;
+        }
+        if ((isPut || isPatch) && id != null && sub == null) return "Updated " + label + " #" + id;
+        if (isDelete && id != null && sub == null)           return "Deleted " + label + " #" + id;
+        if (isDelete && id == null)                          return "Deleted multiple " + plural(label);
+
+        return null;
+    }
+
+    private String resourceLabel(String resource) {
+        return switch (resource) {
+            case "products"        -> "product";
+            case "categories"      -> "category";
+            case "customers"       -> "customer";
+            case "employees"       -> "employee";
+            case "users"           -> "user";
+            case "pets"            -> "pet";
+            case "my-pets"         -> "pet";
+            case "appointments"    -> "appointment";
+            case "adoptions"       -> "adoption";
+            case "sales"           -> "sale";
+            case "refunds"         -> "refund";
+            case "inventory"       -> "inventory record";
+            case "services"        -> "service";
+            case "suppliers"       -> "supplier";
+            case "purchase-orders" -> "purchase order";
+            case "coupons"         -> "coupon";
+            case "stores"          -> "store";
+            default -> null;
+        };
+    }
+
+    private String plural(String label) {
+        if (label.endsWith("y")) return label.substring(0, label.length() - 1) + "ies";
+        if (label.endsWith("s")) return label + "es";
+        return label + "s";
+    }
 }

backend/src/main/java/com/petshop/backend/controller/ActivityLogController.java

@@ -2,7 +2,9 @@ package com.petshop.backend.controller;
 
 import com.petshop.backend.dto.activity.ActivityLogResponse;
 import com.petshop.backend.service.ActivityLogService;
+import java.time.LocalDate;
 import java.util.List;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -26,8 +28,10 @@ public class ActivityLogController {
             @RequestParam(defaultValue = "2000") int limit,
             @RequestParam(required = false) Long storeId,
             @RequestParam(required = false) String role,
-            @RequestParam(required = false) String search) {
+            @RequestParam(required = false) String search,
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate startDate,
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate endDate) {
         int safeLimit = Math.min(Math.max(1, limit), 10000);
-        return ResponseEntity.ok(activityLogService.getLogs(safeLimit, storeId, role, search));
+        return ResponseEntity.ok(activityLogService.getLogs(safeLimit, storeId, role, search, startDate, endDate));
     }
 }

backend/src/main/java/com/petshop/backend/controller/AiChatController.java

@@ -8,6 +8,7 @@ import com.petshop.backend.repository.PetRepository;
 import com.petshop.backend.repository.UserRepository;
 import com.petshop.backend.service.OpenRouterService;
 import com.petshop.backend.util.AuthenticationHelper;
+import com.petshop.backend.util.ContentFilter;
 import jakarta.validation.Valid;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
@@ -49,6 +50,7 @@ public class AiChatController {
         if (request.getMessage() == null || request.getMessage().isBlank()) {
             return ResponseEntity.badRequest().body(AiChatResponse.fail("Message cannot be empty"));
         }
+        ContentFilter.validate(request.getMessage());
 
         User user = getCurrentUser();
 

backend/src/main/java/com/petshop/backend/controller/AuthController.java

@@ -17,6 +17,7 @@ import com.petshop.backend.repository.UserRepository;
 import com.petshop.backend.security.JwtUtil;
 import com.petshop.backend.service.ActivityLogService;
 import com.petshop.backend.service.AvatarStorageService;
+import com.petshop.backend.service.EmailService;
 import com.petshop.backend.service.PasswordResetService;
 import com.petshop.backend.util.AuthenticationHelper;
 import com.petshop.backend.util.PhoneUtils;
@@ -55,8 +56,9 @@ public class AuthController {
     private final AvatarStorageService avatarStorageService;
     private final ActivityLogService activityLogService;
     private final PasswordResetService passwordResetService;
+    private final EmailService emailService;
 
-    public AuthController(AuthenticationManager authenticationManager, UserRepository userRepository, JwtUtil jwtUtil, PasswordEncoder passwordEncoder, AvatarStorageService avatarStorageService, ActivityLogService activityLogService, PasswordResetService passwordResetService) {
+    public AuthController(AuthenticationManager authenticationManager, UserRepository userRepository, JwtUtil jwtUtil, PasswordEncoder passwordEncoder, AvatarStorageService avatarStorageService, ActivityLogService activityLogService, PasswordResetService passwordResetService, EmailService emailService) {
         this.authenticationManager = authenticationManager;
         this.userRepository = userRepository;
         this.jwtUtil = jwtUtil;
@@ -64,6 +66,7 @@ public class AuthController {
         this.avatarStorageService = avatarStorageService;
         this.activityLogService = activityLogService;
         this.passwordResetService = passwordResetService;
+        this.emailService = emailService;
     }
 
     @PostMapping("/register")
@@ -108,6 +111,8 @@ public class AuthController {
 
         User savedUser = userRepository.save(user);
 
+        emailService.sendWelcome(savedUser);
+
         String token = jwtUtil.generateToken(savedUser);
 
         return ResponseEntity.status(HttpStatus.CREATED).body(new RegisterResponse(
@@ -132,7 +137,7 @@ public class AuthController {
 
             String token = jwtUtil.generateToken(user);
             if (user.getRole() != User.Role.CUSTOMER) {
-                activityLogService.record(user.getId(), "POST /api/v1/auth/login -> 200");
+                activityLogService.record(user.getId(), "Logged in  |  POST /api/v1/auth/login → 200");
             }
 
             return ResponseEntity.ok(new LoginResponse(
@@ -262,7 +267,8 @@ public class AuthController {
                 user.getRole().name(),
                 customerId,
                 primaryStore != null ? primaryStore.getStoreId() : null,
-                primaryStore != null ? primaryStore.getStoreName() : null
+                primaryStore != null ? primaryStore.getStoreName() : null,
+                user.getLoyaltyPoints()
         );
     }
 

backend/src/main/java/com/petshop/backend/controller/CartController.java

@@ -75,6 +75,24 @@ public class CartController {
         return ResponseEntity.ok(cartService.applyCoupon(userId, storeId, request.getCouponCode()));
     }
 
+    @PostMapping("/apply-points")
+    @PreAuthorize("isAuthenticated()")
+    public ResponseEntity<CartResponse> applyPoints(
+            @RequestParam Long storeId,
+            @RequestParam Boolean useLoyaltyPoints) {
+        Long userId = AuthenticationHelper.getAuthenticatedUserId();
+
+        return ResponseEntity.ok(cartService.applyPoints(userId, storeId, useLoyaltyPoints));
+    }
+
+    @DeleteMapping("/coupon")
+    @PreAuthorize("isAuthenticated()")
+    public ResponseEntity<CartResponse> removeCoupon(@RequestParam Long storeId) {
+        Long userId = AuthenticationHelper.getAuthenticatedUserId();
+
+        return ResponseEntity.ok(cartService.removeCoupon(userId, storeId));
+    }
+
     @PostMapping("/checkout")
     @PreAuthorize("isAuthenticated()")
     public ResponseEntity<CheckoutResponse> checkout(@Valid @RequestBody CheckoutRequest request) {

backend/src/main/java/com/petshop/backend/controller/ContactController.java

@@ -0,0 +1,40 @@
+package com.petshop.backend.controller;
+
+import com.petshop.backend.entity.User;
+import com.petshop.backend.repository.UserRepository;
+import com.petshop.backend.service.EmailService;
+import com.petshop.backend.util.AuthenticationHelper;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/v1/contact")
+public class ContactController {
+
+    private final EmailService emailService;
+    private final UserRepository userRepository;
+
+    public ContactController(EmailService emailService, UserRepository userRepository) {
+        this.emailService = emailService;
+        this.userRepository = userRepository;
+    }
+
+    public record ContactRequest(
+        @NotBlank @Size(max = 150) String subject,
+        @NotBlank @Size(max = 2000) String body
+    ) {}
+
+    @PostMapping
+    public ResponseEntity<Void> sendContactEmail(@Valid @RequestBody ContactRequest req) {
+        Long userId = AuthenticationHelper.getAuthenticatedUserId();
+        User user = userRepository.findById(userId).orElseThrow();
+        emailService.sendContactMessage(user, req.subject(), req.body());
+        return ResponseEntity.ok().build();
+    }
+}

backend/src/main/java/com/petshop/backend/controller/CustomerController.java

@@ -3,6 +3,7 @@ package com.petshop.backend.controller;
 import com.petshop.backend.dto.common.BulkDeleteRequest;
 import com.petshop.backend.dto.user.UserRequest;
 import com.petshop.backend.dto.user.UserResponse;
+import com.petshop.backend.entity.User;
 import com.petshop.backend.service.UserService;
 import jakarta.validation.Valid;
 import org.springframework.data.domain.Page;
@@ -32,30 +33,30 @@ public class CustomerController {
 
     @GetMapping("/{id}")
     public ResponseEntity<UserResponse> getCustomerById(@PathVariable Long id) {
-        return ResponseEntity.ok(userService.getUserById(id));
+        return ResponseEntity.ok(userService.getUserById(id, User.Role.CUSTOMER));
     }
 
     @PostMapping
     public ResponseEntity<UserResponse> createCustomer(@Valid @RequestBody UserRequest request) {
-        return ResponseEntity.status(HttpStatus.CREATED).body(userService.createUser(request));
+        return ResponseEntity.status(HttpStatus.CREATED).body(userService.createUser(request, User.Role.CUSTOMER));
     }
 
     @PutMapping("/{id}")
     public ResponseEntity<UserResponse> updateCustomer(
             @PathVariable Long id,
             @Valid @RequestBody UserRequest request) {
-        return ResponseEntity.ok(userService.updateUser(id, request));
+        return ResponseEntity.ok(userService.updateUser(id, request, User.Role.CUSTOMER));
     }
 
     @DeleteMapping("/{id}")
     public ResponseEntity<Void> deleteCustomer(@PathVariable Long id) {
-        userService.deleteUser(id);
+        userService.deleteUser(id, User.Role.CUSTOMER);
         return ResponseEntity.noContent().build();
     }
 
     @PostMapping("/bulk-delete")
     public ResponseEntity<Void> bulkDeleteCustomers(@Valid @RequestBody BulkDeleteRequest request) {
-        userService.bulkDeleteUsers(request);
+        userService.bulkDeleteUsers(request, User.Role.CUSTOMER);
         return ResponseEntity.noContent().build();
     }
 }

backend/src/main/java/com/petshop/backend/controller/EmployeeController.java

@@ -2,6 +2,7 @@ package com.petshop.backend.controller;
 
 import com.petshop.backend.dto.user.UserRequest;
 import com.petshop.backend.dto.user.UserResponse;
+import com.petshop.backend.entity.User;
 import com.petshop.backend.service.UserService;
 import jakarta.validation.Valid;
 import org.springframework.data.domain.Page;
@@ -31,24 +32,24 @@ public class EmployeeController {
 
     @GetMapping("/{id}")
     public ResponseEntity<UserResponse> getEmployeeById(@PathVariable Long id) {
-        return ResponseEntity.ok(userService.getUserById(id));
+        return ResponseEntity.ok(userService.getUserById(id, User.Role.STAFF));
     }
 
     @PostMapping
     public ResponseEntity<UserResponse> createEmployee(@Valid @RequestBody UserRequest request) {
-        return ResponseEntity.status(HttpStatus.CREATED).body(userService.createUser(request));
+        return ResponseEntity.status(HttpStatus.CREATED).body(userService.createUser(request, User.Role.STAFF));
     }
 
     @PutMapping("/{id}")
     public ResponseEntity<UserResponse> updateEmployee(
             @PathVariable Long id,
             @Valid @RequestBody UserRequest request) {
-        return ResponseEntity.ok(userService.updateUser(id, request));
+        return ResponseEntity.ok(userService.updateUser(id, request, User.Role.STAFF));
     }
 
     @DeleteMapping("/{id}")
     public ResponseEntity<Void> deleteEmployee(@PathVariable Long id) {
-        userService.deleteUser(id);
+        userService.deleteUser(id, User.Role.STAFF);
         return ResponseEntity.noContent().build();
     }
 }

backend/src/main/java/com/petshop/backend/controller/RefundController.java

@@ -30,7 +30,7 @@ public class RefundController {
     }
 
     @PostMapping
-    @PreAuthorize("hasAnyRole('CUSTOMER', 'STAFF', 'ADMIN')")
+    @PreAuthorize("hasAnyRole('CUSTOMER', 'STAFF')")
     public ResponseEntity<RefundResponse> createRefund(@Valid @RequestBody RefundRequest request) {
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
         String role = authentication.getAuthorities().stream()
@@ -85,7 +85,7 @@ public class RefundController {
     }
 
     @PutMapping("/{id}")
-    @PreAuthorize("hasAnyRole('STAFF', 'ADMIN')")
+    @PreAuthorize("hasRole('STAFF')")
     public ResponseEntity<RefundResponse> updateRefund(@PathVariable Long id, @Valid @RequestBody RefundUpdateRequest request) {
         return ResponseEntity.ok(refundService.updateRefundStatus(id, request.getStatus()));
     }

backend/src/main/java/com/petshop/backend/controller/SaleController.java

@@ -28,8 +28,9 @@ public class SaleController {
             @RequestParam(required = false) String paymentMethod,
             @RequestParam(required = false) Long storeId,
             @RequestParam(required = false) Boolean isRefund,
+            @RequestParam(required = false) Long customerId,
             Pageable pageable) {
-        return ResponseEntity.ok(saleService.getAllSales(q, paymentMethod, storeId, isRefund, pageable));
+        return ResponseEntity.ok(saleService.getAllSales(q, paymentMethod, storeId, isRefund, customerId, pageable));
     }
 
     @GetMapping("/{id}")
@@ -39,7 +40,7 @@ public class SaleController {
     }
 
     @PostMapping
-    @PreAuthorize("hasAnyRole('STAFF', 'ADMIN')")
+    @PreAuthorize("hasRole('STAFF')")
     public ResponseEntity<SaleResponse> createSale(@Valid @RequestBody SaleRequest request) {
         return ResponseEntity.status(HttpStatus.CREATED).body(saleService.createSale(request));
     }

backend/src/main/java/com/petshop/backend/controller/ServiceController.java

@@ -25,8 +25,9 @@ public class ServiceController {
     @GetMapping
     public ResponseEntity<Page<ServiceResponse>> getAllServices(
             @RequestParam(required = false) String q,
+            @RequestParam(required = false) String species,
             Pageable pageable) {
-        return ResponseEntity.ok(serviceService.getAllServices(q, pageable));
+        return ResponseEntity.ok(serviceService.getAllServices(q, species, pageable));
     }
 
     @GetMapping("/{id}")

backend/src/main/java/com/petshop/backend/controller/UserAvatarController.java

@@ -24,7 +24,7 @@ public class UserAvatarController {
     }
 
     @GetMapping("/{userId}/avatar/file")
-    @PreAuthorize("hasAnyRole('STAFF', 'ADMIN')")
+    @PreAuthorize("isAuthenticated()")
     public ResponseEntity<Resource> getUserAvatarFile(@PathVariable Long userId) {
         User user = userRepository.findById(userId).orElse(null);
         if (user == null || !avatarStorageService.hasAvatar(user)) {

backend/src/main/java/com/petshop/backend/dto/auth/UserInfoResponse.java

@@ -15,11 +15,12 @@ public class UserInfoResponse {
     private Long customerId;
     private Long storeId;
     private String storeName;
+    private Integer loyaltyPoints;
 
     public UserInfoResponse() {
     }
 
-    public UserInfoResponse(Long id, String username, String firstName, String lastName, String email, String fullName, String phone, String avatarUrl, String role, Long customerId, Long storeId, String storeName) {
+    public UserInfoResponse(Long id, String username, String firstName, String lastName, String email, String fullName, String phone, String avatarUrl, String role, Long customerId, Long storeId, String storeName, Integer loyaltyPoints) {
         this.id = id;
         this.username = username;
         this.firstName = firstName;
@@ -32,6 +33,7 @@ public class UserInfoResponse {
         this.customerId = customerId;
         this.storeId = storeId;
         this.storeName = storeName;
+        this.loyaltyPoints = loyaltyPoints;
     }
 
     public Long getId() {
@@ -131,6 +133,14 @@ public class UserInfoResponse {
         this.storeName = storeName;
     }
 
+    public Integer getLoyaltyPoints() {
+        return loyaltyPoints;
+    }
+
+    public void setLoyaltyPoints(Integer loyaltyPoints) {
+        this.loyaltyPoints = loyaltyPoints;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

backend/src/main/java/com/petshop/backend/dto/cart/CartResponse.java

@@ -14,6 +14,8 @@ public class CartResponse {
     private BigDecimal pointsDiscountAmount;
     private BigDecimal totalAmount;
     private String couponCode;
+    private String couponDiscountType;
+    private BigDecimal couponDiscountValue;
     private Boolean pointsApplied;
     private Integer availableLoyaltyPoints;
     private Boolean checkoutPending;
@@ -45,6 +47,12 @@ public class CartResponse {
     public String getCouponCode() { return couponCode; }
     public void setCouponCode(String couponCode) { this.couponCode = couponCode; }
 
+    public String getCouponDiscountType() { return couponDiscountType; }
+    public void setCouponDiscountType(String couponDiscountType) { this.couponDiscountType = couponDiscountType; }
+
+    public BigDecimal getCouponDiscountValue() { return couponDiscountValue; }
+    public void setCouponDiscountValue(BigDecimal couponDiscountValue) { this.couponDiscountValue = couponDiscountValue; }
+
     public BigDecimal getPointsDiscountAmount() { return pointsDiscountAmount; }
     public void setPointsDiscountAmount(BigDecimal pointsDiscountAmount) { this.pointsDiscountAmount = pointsDiscountAmount; }
 

backend/src/main/java/com/petshop/backend/dto/purchaseorder/PurchaseOrderResponse.java

@@ -11,21 +11,19 @@ public class PurchaseOrderResponse {
     private Long storeId;
     private String storeName;
     private LocalDate orderDate;
-    private String status;
     private LocalDateTime createdAt;
     private LocalDateTime updatedAt;
 
     public PurchaseOrderResponse() {
     }
 
-    public PurchaseOrderResponse(Long purchaseOrderId, Long supId, String supplierName, Long storeId, String storeName, LocalDate orderDate, String status, LocalDateTime createdAt, LocalDateTime updatedAt) {
+    public PurchaseOrderResponse(Long purchaseOrderId, Long supId, String supplierName, Long storeId, String storeName, LocalDate orderDate, LocalDateTime createdAt, LocalDateTime updatedAt) {
         this.purchaseOrderId = purchaseOrderId;
         this.supId = supId;
         this.supplierName = supplierName;
         this.storeId = storeId;
         this.storeName = storeName;
         this.orderDate = orderDate;
-        this.status = status;
         this.createdAt = createdAt;
         this.updatedAt = updatedAt;
     }
@@ -78,14 +76,6 @@ public class PurchaseOrderResponse {
         this.orderDate = orderDate;
     }
 
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }
@@ -107,12 +97,12 @@ public class PurchaseOrderResponse {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         PurchaseOrderResponse that = (PurchaseOrderResponse) o;
-        return Objects.equals(purchaseOrderId, that.purchaseOrderId) && Objects.equals(supId, that.supId) && Objects.equals(supplierName, that.supplierName) && Objects.equals(storeId, that.storeId) && Objects.equals(storeName, that.storeName) && Objects.equals(orderDate, that.orderDate) && Objects.equals(status, that.status) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
+        return Objects.equals(purchaseOrderId, that.purchaseOrderId) && Objects.equals(supId, that.supId) && Objects.equals(supplierName, that.supplierName) && Objects.equals(storeId, that.storeId) && Objects.equals(storeName, that.storeName) && Objects.equals(orderDate, that.orderDate) && Objects.equals(createdAt, that.createdAt) && Objects.equals(updatedAt, that.updatedAt);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(purchaseOrderId, supId, supplierName, storeId, storeName, orderDate, status, createdAt, updatedAt);
+        return Objects.hash(purchaseOrderId, supId, supplierName, storeId, storeName, orderDate, createdAt, updatedAt);
     }
 
     @Override
@@ -124,7 +114,6 @@ public class PurchaseOrderResponse {
                 ", storeId=" + storeId +
                 ", storeName='" + storeName + '\'' +
                 ", orderDate=" + orderDate +
-                ", status='" + status + '\'' +
                 ", createdAt=" + createdAt +
                 ", updatedAt=" + updatedAt +
                 '}';

backend/src/main/java/com/petshop/backend/dto/sale/SaleRequest.java

@@ -28,6 +28,8 @@ public class SaleRequest {
 
     private Long cartId;
 
+    private Integer pointsUsed;
+
 
     public Long getStoreId() {
         return storeId;
@@ -101,6 +103,14 @@ public class SaleRequest {
         this.cartId = cartId;
     }
 
+    public Integer getPointsUsed() {
+        return pointsUsed;
+    }
+
+    public void setPointsUsed(Integer pointsUsed) {
+        this.pointsUsed = pointsUsed;
+    }
+
 
     @Override
     public boolean equals(Object o) {
@@ -115,12 +125,13 @@ public class SaleRequest {
                 Objects.equals(customerId, that.customerId) &&
                 Objects.equals(channel, that.channel) &&
                 Objects.equals(couponId, that.couponId) &&
-                Objects.equals(cartId, that.cartId);
+                Objects.equals(cartId, that.cartId) &&
+                Objects.equals(pointsUsed, that.pointsUsed);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(storeId, paymentMethod, items, isRefund, originalSaleId, customerId, channel, couponId, cartId);
+        return Objects.hash(storeId, paymentMethod, items, isRefund, originalSaleId, customerId, channel, couponId, cartId, pointsUsed);
     }
 
     @Override
@@ -135,6 +146,7 @@ public class SaleRequest {
                 ", channel='" + channel + '\'' +
                 ", couponId=" + couponId +
                 ", cartId=" + cartId +
+                ", pointsUsed=" + pointsUsed +
                 '}';
     }
 }

backend/src/main/java/com/petshop/backend/entity/PurchaseOrder.java

@@ -27,9 +27,6 @@ public class PurchaseOrder {
     @Column(nullable = false)
     private LocalDate orderDate;
 
-    @Column(nullable = false, length = 50)
-    private String status;
-
     @CreationTimestamp
     @Column(name = "created_at", updatable = false)
     private LocalDateTime createdAt;
@@ -41,11 +38,10 @@ public class PurchaseOrder {
     public PurchaseOrder() {
     }
 
-    public PurchaseOrder(Long purchaseOrderId, Supplier supplier, LocalDate orderDate, String status, LocalDateTime createdAt, LocalDateTime updatedAt) {
+    public PurchaseOrder(Long purchaseOrderId, Supplier supplier, LocalDate orderDate, LocalDateTime createdAt, LocalDateTime updatedAt) {
         this.purchaseOrderId = purchaseOrderId;
         this.supplier = supplier;
         this.orderDate = orderDate;
-        this.status = status;
         this.createdAt = createdAt;
         this.updatedAt = updatedAt;
     }
@@ -82,14 +78,6 @@ public class PurchaseOrder {
         this.orderDate = orderDate;
     }
 
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }
@@ -125,7 +113,6 @@ public class PurchaseOrder {
                 "purchaseOrderId=" + purchaseOrderId +
                 ", supplier=" + supplier +
                 ", orderDate=" + orderDate +
-                ", status='" + status + '\'' +
                 ", createdAt=" + createdAt +
                 ", updatedAt=" + updatedAt +
                 '}';

backend/src/main/java/com/petshop/backend/exception/GlobalExceptionHandler.java

@@ -42,9 +42,10 @@ public class GlobalExceptionHandler {
             errors.put(fieldName, errorMessage);
         });
 
+        String firstMessage = errors.values().stream().findFirst().orElse("Validation failed");
         Map<String, Object> response = new HashMap<>();
         response.put("status", HttpStatus.BAD_REQUEST.value());
-        response.put("message", "Validation failed");
+        response.put("message", firstMessage);
         response.put("errors", errors);
         response.put("details", buildDetails(ex));
         response.put("path", request.getRequestURI());

backend/src/main/java/com/petshop/backend/repository/AdoptionRepository.java

@@ -40,4 +40,6 @@ public interface AdoptionRepository extends JpaRepository<Adoption, Long> {
     boolean existsByPet_IdAndAdoptionStatusIgnoreCase(Long petId, String adoptionStatus);
 
     List<Adoption> findByCustomer_IdAndAdoptionStatusIgnoreCase(Long customerId, String adoptionStatus);
+
+    List<Adoption> findByAdoptionDateAndAdoptionStatusIgnoreCase(LocalDate date, String status);
 }

backend/src/main/java/com/petshop/backend/repository/AppointmentRepository.java

@@ -52,4 +52,6 @@ public interface AppointmentRepository extends JpaRepository<Appointment, Long>
     List<Appointment> findPastBookedAppointments(@Param("currentDate") LocalDate currentDate, @Param("currentTime") LocalTime currentTime);
 
     List<Appointment> findByPet_Id(Long petId);
+
+    List<Appointment> findByAppointmentDateAndAppointmentStatusIgnoreCase(LocalDate date, String status);
 }

backend/src/main/java/com/petshop/backend/repository/ProductRepository.java

@@ -11,6 +11,10 @@ import org.springframework.stereotype.Repository;
 @Repository
 public interface ProductRepository extends JpaRepository<Product, Long> {
 
+    boolean existsByProdNameIgnoreCase(String prodName);
+
+    boolean existsByProdNameIgnoreCaseAndProdIdNot(String prodName, Long prodId);
+
     @Query("SELECT p FROM Product p WHERE " +
            "(:q IS NULL OR LOWER(p.prodName) LIKE LOWER(CONCAT('%', :q, '%')) OR LOWER(COALESCE(p.prodDesc, '')) LIKE LOWER(CONCAT('%', :q, '%'))) AND " +
            "(:categoryId IS NULL OR p.category.categoryId = :categoryId)")

backend/src/main/java/com/petshop/backend/repository/SaleRepository.java

@@ -22,8 +22,9 @@ public interface SaleRepository extends JpaRepository<Sale, Long> {
            ")) AND " +
            "(:paymentMethod IS NULL OR LOWER(s.paymentMethod) = LOWER(:paymentMethod)) AND " +
            "(:isRefund IS NULL OR s.isRefund = :isRefund) AND " +
-           "(:storeId IS NULL OR s.store.storeId = :storeId)")
-    Page<Sale> searchSales(@Param("q") String query, @Param("paymentMethod") String paymentMethod, @Param("storeId") Long storeId, @Param("isRefund") Boolean isRefund, Pageable pageable);
+           "(:storeId IS NULL OR s.store.storeId = :storeId) AND " +
+           "(:customerId IS NULL OR s.customer.id = :customerId)")
+    Page<Sale> searchSales(@Param("q") String query, @Param("paymentMethod") String paymentMethod, @Param("storeId") Long storeId, @Param("isRefund") Boolean isRefund, @Param("customerId") Long customerId, Pageable pageable);
 
     List<Sale> findByOriginalSaleSaleId(Long originalSaleId);
 

backend/src/main/java/com/petshop/backend/repository/ServiceRepository.java

@@ -11,8 +11,8 @@ import org.springframework.stereotype.Repository;
 @Repository
 public interface ServiceRepository extends JpaRepository<Service, Long> {
 
-    @Query("SELECT s FROM Service s WHERE " +
-           "LOWER(s.serviceName) LIKE LOWER(CONCAT('%', :q, '%')) OR " +
-           "LOWER(s.serviceDesc) LIKE LOWER(CONCAT('%', :q, '%'))")
-    Page<Service> searchServices(@Param("q") String query, Pageable pageable);
+    @Query("SELECT DISTINCT s FROM Service s LEFT JOIN s.species sp WHERE " +
+           "(:q IS NULL OR LOWER(s.serviceName) LIKE LOWER(CONCAT('%', :q, '%')) OR LOWER(COALESCE(s.serviceDesc, '')) LIKE LOWER(CONCAT('%', :q, '%'))) AND " +
+           "(:species IS NULL OR LOWER(sp) = LOWER(:species))")
+    Page<Service> searchServices(@Param("q") String q, @Param("species") String species, Pageable pageable);
 }

backend/src/main/java/com/petshop/backend/security/RateLimitFilter.java

@@ -0,0 +1,62 @@
+package com.petshop.backend.security;
+
+import com.petshop.backend.exception.ApiErrorResponder;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.http.HttpStatus;
+import org.springframework.lang.NonNull;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import java.io.IOException;
+import java.time.Duration;
+import java.util.Map;
+
+@Component
+public class RateLimitFilter extends OncePerRequestFilter {
+
+    private static final Map<String, int[]> RULES = Map.of(
+            "/api/v1/auth/login",            new int[]{10, 15},
+            "/api/v1/auth/register",         new int[]{5,  60},
+            "/api/v1/auth/forgot-password",  new int[]{3,  10},
+            "/api/v1/auth/reset-password",   new int[]{10, 15}
+    );
+
+    private final RateLimiterService rateLimiterService;
+    private final ApiErrorResponder apiErrorResponder;
+
+    public RateLimitFilter(RateLimiterService rateLimiterService, ApiErrorResponder apiErrorResponder) {
+        this.rateLimiterService = rateLimiterService;
+        this.apiErrorResponder = apiErrorResponder;
+    }
+
+    @Override
+    protected void doFilterInternal(@NonNull HttpServletRequest request,
+                                    @NonNull HttpServletResponse response,
+                                    @NonNull FilterChain filterChain) throws ServletException, IOException {
+        String path = request.getRequestURI();
+        int[] rule = RULES.get(path);
+
+        if (rule != null) {
+            String ip = extractIp(request);
+            String key = path + ":" + ip;
+            if (!rateLimiterService.isAllowed(key, rule[0], Duration.ofMinutes(rule[1]))) {
+                apiErrorResponder.write(response, HttpStatus.TOO_MANY_REQUESTS,
+                        "Too many requests. Please try again later.", null, path);
+                return;
+            }
+        }
+
+        filterChain.doFilter(request, response);
+    }
+
+    private String extractIp(HttpServletRequest request) {
+        String forwarded = request.getHeader("X-Forwarded-For");
+        if (forwarded != null && !forwarded.isBlank()) {
+            return forwarded.split(",")[0].trim();
+        }
+        return request.getRemoteAddr();
+    }
+}

backend/src/main/java/com/petshop/backend/security/RateLimiterService.java

@@ -0,0 +1,45 @@
+package com.petshop.backend.security;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Service
+public class RateLimiterService {
+
+    private final Map<String, Deque<Instant>> buckets = new ConcurrentHashMap<>();
+
+    public boolean isAllowed(String key, int maxRequests, Duration window) {
+        Instant now = Instant.now();
+        Instant windowStart = now.minus(window);
+
+        Deque<Instant> timestamps = buckets.computeIfAbsent(key, k -> new ArrayDeque<>());
+        synchronized (timestamps) {
+            while (!timestamps.isEmpty() && timestamps.peekFirst().isBefore(windowStart)) {
+                timestamps.pollFirst();
+            }
+            if (timestamps.size() >= maxRequests) {
+                return false;
+            }
+            timestamps.addLast(now);
+            return true;
+        }
+    }
+
+    @Scheduled(fixedDelay = 300_000)
+    public void evictStale() {
+        Instant cutoff = Instant.now().minus(Duration.ofHours(2));
+        buckets.entrySet().removeIf(entry -> {
+            Deque<Instant> timestamps = entry.getValue();
+            synchronized (timestamps) {
+                return timestamps.isEmpty() || timestamps.peekLast().isBefore(cutoff);
+            }
+        });
+    }
+}

backend/src/main/java/com/petshop/backend/security/SecurityConfig.java

@@ -31,15 +31,18 @@ import java.util.List;
 public class SecurityConfig {
 
     private final JwtAuthenticationFilter jwtAuthFilter;
+    private final RateLimitFilter rateLimitFilter;
     private final UserDetailsService userDetailsService;
     private final RestAuthenticationEntryPoint restAuthenticationEntryPoint;
     private final RestAccessDeniedHandler restAccessDeniedHandler;
 
     public SecurityConfig(JwtAuthenticationFilter jwtAuthFilter,
+            RateLimitFilter rateLimitFilter,
             UserDetailsService userDetailsService,
             RestAuthenticationEntryPoint restAuthenticationEntryPoint,
             RestAccessDeniedHandler restAccessDeniedHandler) {
         this.jwtAuthFilter = jwtAuthFilter;
+        this.rateLimitFilter = rateLimitFilter;
         this.userDetailsService = userDetailsService;
         this.restAuthenticationEntryPoint = restAuthenticationEntryPoint;
         this.restAccessDeniedHandler = restAccessDeniedHandler;
@@ -76,6 +79,7 @@ public class SecurityConfig {
                 .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                 .authenticationProvider(daoAuthenticationProvider())
                 .addFilterBefore(jwtAuthFilter, UsernamePasswordAuthenticationFilter.class);
+        http.addFilterBefore(rateLimitFilter, JwtAuthenticationFilter.class);
         http.addFilterAfter(activityLoggingFilter, JwtAuthenticationFilter.class);
 
         return http.build();

backend/src/main/java/com/petshop/backend/service/ActivityLogService.java

@@ -15,6 +15,7 @@ import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -52,6 +53,11 @@ public class ActivityLogService {
             entry.setStoreNameSnapshot(store != null ? store.getStoreName() : null);
             entry.setActivity(activity.trim());
             activityLogRepository.save(entry);
+            log.info("[ACTIVITY] {} | {} | {} | {}",
+                    entry.getRoleSnapshot(),
+                    entry.getUsernameSnapshot(),
+                    entry.getStoreNameSnapshot() != null ? entry.getStoreNameSnapshot() : "no store",
+                    entry.getActivity());
         } catch (Exception ex) {
             log.warn("Failed to persist activity log", ex);
         }
@@ -65,7 +71,7 @@ public class ActivityLogService {
     }
 
     @Transactional(readOnly = true)
-    public List<ActivityLogResponse> getLogs(int limit, Long storeId, String role, String search) {
+    public List<ActivityLogResponse> getLogs(int limit, Long storeId, String role, String search, LocalDate startDate, LocalDate endDate) {
         Specification<ActivityLog> spec = (root, query, cb) -> {
             List<Predicate> predicates = new ArrayList<>();
 
@@ -87,6 +93,14 @@ public class ActivityLogService {
                 predicates.add(searchPredicate);
             }
 
+            if (startDate != null) {
+                predicates.add(cb.greaterThanOrEqualTo(root.get("logTimestamp"), startDate.atStartOfDay()));
+            }
+
+            if (endDate != null) {
+                predicates.add(cb.lessThan(root.get("logTimestamp"), endDate.plusDays(1).atStartOfDay()));
+            }
+
             return cb.and(predicates.toArray(new Predicate[0]));
         };
 
@@ -96,9 +110,14 @@ public class ActivityLogService {
                 .toList();
     }
 
+    @Transactional(readOnly = true)
+    public List<ActivityLogResponse> getLogs(int limit, Long storeId, String role, String search) {
+        return getLogs(limit, storeId, role, search, null, null);
+    }
+
     @Transactional(readOnly = true)
     public List<ActivityLogResponse> getLogs(int limit) {
-        return getLogs(limit, null, null, null);
+        return getLogs(limit, null, null, null, null, null);
     }
 
     private ActivityLogResponse toResponse(ActivityLog entry) {

backend/src/main/java/com/petshop/backend/service/AdoptionService.java

@@ -22,6 +22,7 @@ import org.springframework.transaction.annotation.Transactional;
 import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.util.List;
 
 @Service
 public class AdoptionService {
@@ -39,13 +40,15 @@ public class AdoptionService {
     private final UserRepository userRepository;
     private final StoreRepository storeRepository;
     private final SaleRepository saleRepository;
+    private final EmailService emailService;
 
-    public AdoptionService(AdoptionRepository adoptionRepository, PetRepository petRepository, UserRepository userRepository, StoreRepository storeRepository, SaleRepository saleRepository) {
+    public AdoptionService(AdoptionRepository adoptionRepository, PetRepository petRepository, UserRepository userRepository, StoreRepository storeRepository, SaleRepository saleRepository, EmailService emailService) {
         this.adoptionRepository = adoptionRepository;
         this.petRepository = petRepository;
         this.userRepository = userRepository;
         this.storeRepository = storeRepository;
         this.saleRepository = saleRepository;
+        this.emailService = emailService;
     }
 
     public Page<AdoptionResponse> getAllAdoptions(String query, Long customerId, String status, Long storeId, LocalDate date, Pageable pageable) {
@@ -106,6 +109,9 @@ public class AdoptionService {
         if (ADOPTION_STATUS_COMPLETED.equalsIgnoreCase(adoptionStatus)) {
             createSaleForAdoption(adoption, request.getPaymentMethod());
         }
+        if (ADOPTION_STATUS_PENDING.equalsIgnoreCase(adoptionStatus) || ADOPTION_STATUS_COMPLETED.equalsIgnoreCase(adoptionStatus)) {
+            emailService.sendAdoptionConfirmation(adoption);
+        }
         return mapToResponse(adoption);
     }
 
@@ -125,6 +131,7 @@ public class AdoptionService {
                         .orElseThrow(() -> new ResourceNotFoundException("Store not found with id: " + request.getSourceStoreId()))
                 : null;
         boolean wasCompleted = ADOPTION_STATUS_COMPLETED.equalsIgnoreCase(adoption.getAdoptionStatus());
+        String previousStatus = adoption.getAdoptionStatus();
         String adoptionStatus = normalizeAdoptionStatus(request.getAdoptionStatus());
         Long currentPetId = adoption.getPet() != null ? adoption.getPet().getPetId() : null;
         validatePetAvailability(pet, adoption.getAdoptionId(), currentPetId);
@@ -144,6 +151,10 @@ public class AdoptionService {
         if (!wasCompleted && ADOPTION_STATUS_COMPLETED.equalsIgnoreCase(adoptionStatus)) {
             createSaleForAdoption(adoption, request.getPaymentMethod());
         }
+        boolean statusChanged = !adoptionStatus.equalsIgnoreCase(previousStatus);
+        if (statusChanged && (ADOPTION_STATUS_PENDING.equalsIgnoreCase(adoptionStatus) || ADOPTION_STATUS_COMPLETED.equalsIgnoreCase(adoptionStatus))) {
+            emailService.sendAdoptionConfirmation(adoption);
+        }
         return mapToResponse(adoption);
     }
 
@@ -200,15 +211,37 @@ public class AdoptionService {
 
     @Transactional
     public void deleteAdoption(Long id) {
-        if (!adoptionRepository.existsById(id)) {
-            throw new ResourceNotFoundException("Adoption not found with id: " + id);
-        }
-        adoptionRepository.deleteById(id);
+        Adoption adoption = adoptionRepository.findById(id)
+                .orElseThrow(() -> new ResourceNotFoundException("Adoption not found with id: " + id));
+        Pet pet = adoption.getPet();
+        String status = adoption.getAdoptionStatus();
+        adoptionRepository.delete(adoption);
+        resetPetIfPending(pet, status);
     }
 
     @Transactional
     public void bulkDeleteAdoptions(BulkDeleteRequest request) {
-        adoptionRepository.deleteAllById(request.getIds());
+        List<Adoption> adoptions = adoptionRepository.findAllById(request.getIds());
+        adoptionRepository.deleteAll(adoptions);
+        for (Adoption adoption : adoptions) {
+            resetPetIfPending(adoption.getPet(), adoption.getAdoptionStatus());
+        }
+    }
+
+    private void resetPetIfPending(Pet pet, String deletedAdoptionStatus) {
+        if (!ADOPTION_STATUS_PENDING.equalsIgnoreCase(deletedAdoptionStatus)) {
+            return;
+        }
+        if (!PET_STATUS_PENDING.equalsIgnoreCase(pet.getPetStatus())) {
+            return;
+        }
+        boolean completedElsewhere = adoptionRepository.existsByPet_IdAndAdoptionStatusIgnoreCase(
+                pet.getPetId(), ADOPTION_STATUS_COMPLETED);
+        if (!completedElsewhere) {
+            pet.setPetStatus(PET_STATUS_AVAILABLE);
+            pet.setOwner(null);
+            petRepository.save(pet);
+        }
     }
 
     private String normalizeFilter(String value) {
@@ -309,7 +342,8 @@ public class AdoptionService {
         sale.setPaymentMethod(paymentMethod != null && !paymentMethod.isBlank() ? paymentMethod : "Cash");
         sale.setIsRefund(false);
         sale.setChannel("ADOPTION");
-        saleRepository.save(sale);
+        Sale savedSale = saleRepository.save(sale);
+        emailService.sendPurchaseReceipt(savedSale);
     }
 
     private void syncPetStatus(Pet pet, String adoptionStatus, Long adoptionId, User customer) {

backend/src/main/java/com/petshop/backend/service/AppointmentService.java

@@ -3,11 +3,14 @@ package com.petshop.backend.service;
 import com.petshop.backend.dto.appointment.AppointmentRequest;
 import com.petshop.backend.dto.appointment.AppointmentResponse;
 import com.petshop.backend.dto.common.BulkDeleteRequest;
+import com.petshop.backend.entity.Adoption;
 import com.petshop.backend.entity.Appointment;
 import com.petshop.backend.entity.Pet;
 import com.petshop.backend.entity.StoreLocation;
 import com.petshop.backend.entity.User;
+import com.petshop.backend.exception.BusinessException;
 import com.petshop.backend.exception.ResourceNotFoundException;
+import com.petshop.backend.repository.AdoptionRepository;
 import com.petshop.backend.repository.AppointmentRepository;
 import com.petshop.backend.repository.PetRepository;
 import com.petshop.backend.repository.ServiceRepository;
@@ -26,6 +29,7 @@ import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 @Service
@@ -36,13 +40,17 @@ public class AppointmentService {
     private final PetRepository petRepository;
     private final StoreRepository storeRepository;
     private final UserRepository userRepository;
+    private final AdoptionRepository adoptionRepository;
+    private final EmailService emailService;
 
-    public AppointmentService(AppointmentRepository appointmentRepository, ServiceRepository serviceRepository, PetRepository petRepository, StoreRepository storeRepository, UserRepository userRepository) {
+    public AppointmentService(AppointmentRepository appointmentRepository, ServiceRepository serviceRepository, PetRepository petRepository, StoreRepository storeRepository, UserRepository userRepository, AdoptionRepository adoptionRepository, EmailService emailService) {
         this.appointmentRepository = appointmentRepository;
         this.serviceRepository = serviceRepository;
         this.petRepository = petRepository;
         this.storeRepository = storeRepository;
         this.userRepository = userRepository;
+        this.adoptionRepository = adoptionRepository;
+        this.emailService = emailService;
     }
 
     @Transactional(readOnly = true)
@@ -118,6 +126,7 @@ public class AppointmentService {
         validateSpeciesServiceCompatibility(pet, service);
 
         validateStoreAccess(store.getStoreId(), authenticatedUser);
+        validatePetServiceCompatibility(pet, service);
         validateAvailability(employee, service, request.getAppointmentDate(), request.getAppointmentTime(), null);
 
         Appointment appointment = new Appointment();
@@ -131,6 +140,7 @@ public class AppointmentService {
         appointment.setPet(pet);
 
         appointment = appointmentRepository.save(appointment);
+        emailService.sendAppointmentConfirmation(appointment);
         return mapToResponse(appointment);
     }
 
@@ -156,6 +166,7 @@ public class AppointmentService {
         User employee = resolveAppointmentEmployee(request.getEmployeeId(), store.getStoreId());
 
         validateStoreAccess(store.getStoreId(), authenticatedUser);
+        validatePetServiceCompatibility(pet, service);
         validateAvailability(employee, service, request.getAppointmentDate(), request.getAppointmentTime(), id);
 
         appointment.setCustomer(customer);
@@ -168,6 +179,7 @@ public class AppointmentService {
         appointment.setEmployee(employee);
 
         appointment = appointmentRepository.save(appointment);
+        emailService.sendAppointmentConfirmation(appointment);
         return mapToResponse(appointment);
     }
 
@@ -243,7 +255,7 @@ public class AppointmentService {
         return availableSlots;
     }
 
-    //Update booked status to completed at every midnight
+    //Update booked status to completed at every midnight, and send 24h reminders
     @Scheduled(cron = "0 0 0 * * ?")
     @Transactional
     public void updatePastAppointmentsStatus() {
@@ -255,6 +267,20 @@ public class AppointmentService {
             appointment.setAppointmentStatus("COMPLETED");
             appointmentRepository.save(appointment);
         }
+
+        LocalDate tomorrow = currentDate.plusDays(1);
+
+        List<Appointment> tomorrowAppointments = appointmentRepository
+                .findByAppointmentDateAndAppointmentStatusIgnoreCase(tomorrow, "Booked");
+        for (Appointment appointment : tomorrowAppointments) {
+            emailService.sendAppointmentReminder(appointment);
+        }
+
+        List<Adoption> tomorrowAdoptions = adoptionRepository
+                .findByAdoptionDateAndAdoptionStatusIgnoreCase(tomorrow, "Pending");
+        for (Adoption adoption : tomorrowAdoptions) {
+            emailService.sendAdoptionReminder(adoption);
+        }
     }
 
     private String normalizeFilter(String value) {
@@ -265,6 +291,17 @@ public class AppointmentService {
         return trimmed.isEmpty() ? null : trimmed;
     }
 
+    private void validatePetServiceCompatibility(Pet pet, com.petshop.backend.entity.Service service) {
+        if (pet == null) return;
+        Set<String> allowed = service.getSpecies();
+        if (allowed == null || allowed.isEmpty()) return;
+        boolean compatible = allowed.stream().anyMatch(s -> s.equalsIgnoreCase(pet.getPetSpecies()));
+        if (!compatible) {
+            throw new BusinessException(
+                    "Service \"" + service.getServiceName() + "\" is not available for " + pet.getPetSpecies());
+        }
+    }
+
     private void validateAppointmentRequest(AppointmentRequest request) {
         if ("Booked".equalsIgnoreCase(request.getAppointmentStatus())) {
             LocalDateTime appointmentDateTime = LocalDateTime.of(request.getAppointmentDate(), request.getAppointmentTime());

backend/src/main/java/com/petshop/backend/service/AvatarStorageService.java

@@ -1,7 +1,9 @@
 package com.petshop.backend.service;
 
 import com.petshop.backend.entity.User;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ByteArrayResource;
 import org.springframework.core.io.PathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.http.MediaType;
@@ -22,11 +24,14 @@ import java.util.UUID;
 public class AvatarStorageService {
 
     private static final String STORED_PREFIX = "/uploads/avatars/";
-    private static final String OWNER_ENDPOINT = "/api/v1/auth/me/avatar/file";
+    private static final String BLOB_CONTAINER = "avatars";
 
     @Value("${app.upload.base-dir:uploads}")
     private String uploadBaseDir;
 
+    @Autowired
+    private AzureBlobService blobService;
+
     private Path avatarDirectory;
 
     @PostConstruct
@@ -35,18 +40,22 @@ public class AvatarStorageService {
     }
 
     public String storeAvatar(MultipartFile file) throws IOException {
-        Files.createDirectories(avatarDirectory);
-
-        String originalFilename = file.getOriginalFilename();
-        String extension = resolveExtension(originalFilename);
+        String extension = resolveExtension(file.getOriginalFilename());
         String filename = UUID.randomUUID() + extension;
-        Path filePath = avatarDirectory.resolve(filename).normalize();
-
-        Files.copy(file.getInputStream(), filePath, StandardCopyOption.REPLACE_EXISTING);
+        if (blobService.isEnabled()) {
+            blobService.upload(BLOB_CONTAINER, filename, file.getBytes());
+        } else {
+            Files.createDirectories(avatarDirectory);
+            Files.copy(file.getInputStream(), avatarDirectory.resolve(filename).normalize(), StandardCopyOption.REPLACE_EXISTING);
+        }
         return STORED_PREFIX + filename;
     }
 
     public Resource loadAvatarResource(User user) {
+        String filename = extractFilename(user.getAvatarUrl());
+        if (blobService.isEnabled()) {
+            return new ByteArrayResource(blobService.download(BLOB_CONTAINER, filename));
+        }
         Path filePath = resolveStoredAvatarPath(user.getAvatarUrl());
         if (!Files.exists(filePath) || !Files.isRegularFile(filePath)) {
             throw new IllegalArgumentException("Avatar file was not found");
@@ -55,17 +64,23 @@ public class AvatarStorageService {
     }
 
     public void deleteAvatar(User user) throws IOException {
-        if (user.getAvatarUrl() == null || user.getAvatarUrl().isBlank()) {
-            return;
-        }
-        try {
-            Files.deleteIfExists(resolveStoredAvatarPath(user.getAvatarUrl()));
-        } catch (IllegalArgumentException ignored) {
+        if (user.getAvatarUrl() == null || user.getAvatarUrl().isBlank()) return;
+        if (blobService.isEnabled()) {
+            blobService.delete(BLOB_CONTAINER, extractFilename(user.getAvatarUrl()));
+        } else {
+            try {
+                Files.deleteIfExists(resolveStoredAvatarPath(user.getAvatarUrl()));
+            } catch (IllegalArgumentException ignored) {}
         }
     }
 
+    private String extractFilename(String avatarUrl) {
+        if (avatarUrl == null || !avatarUrl.startsWith(STORED_PREFIX)) throw new IllegalArgumentException("Avatar file was not found");
+        return avatarUrl.substring(STORED_PREFIX.length());
+    }
+
     public String toOwnerAvatarUrl(User user) {
-        return hasAvatar(user) ? OWNER_ENDPOINT : null;
+        return hasAvatar(user) ? "/api/v1/users/" + user.getId() + "/avatar/file" : null;
     }
 
     public String toStoredAvatarUrl(String avatarFilenamePath) {

backend/src/main/java/com/petshop/backend/service/AzureBlobService.java

@@ -0,0 +1,44 @@
+package com.petshop.backend.service;
+
+import com.azure.storage.blob.BlobContainerClient;
+import com.azure.storage.blob.BlobServiceClient;
+import com.azure.storage.blob.BlobServiceClientBuilder;
+import com.azure.core.util.BinaryData;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AzureBlobService {
+
+    private final BlobServiceClient client;
+    private final String containerPrefix;
+
+    public AzureBlobService(
+            @Value("${azure.storage.connection-string:}") String connectionString,
+            @Value("${azure.storage.container-prefix:petshop}") String containerPrefix) {
+        this.containerPrefix = containerPrefix;
+        this.client = (connectionString != null && !connectionString.isBlank())
+                ? new BlobServiceClientBuilder().connectionString(connectionString).buildClient()
+                : null;
+    }
+
+    public boolean isEnabled() {
+        return client != null;
+    }
+
+    public void upload(String container, String blobName, byte[] bytes) {
+        getContainerClient(container).getBlobClient(blobName).upload(BinaryData.fromBytes(bytes), true);
+    }
+
+    public byte[] download(String container, String blobName) {
+        return getContainerClient(container).getBlobClient(blobName).downloadContent().toBytes();
+    }
+
+    public void delete(String container, String blobName) {
+        getContainerClient(container).getBlobClient(blobName).deleteIfExists();
+    }
+
+    private BlobContainerClient getContainerClient(String container) {
+        return client.createBlobContainerIfNotExists(containerPrefix + "-" + container);
+    }
+}

backend/src/main/java/com/petshop/backend/service/CartService.java

@@ -212,6 +212,19 @@ public class CartService {
         return toResponse(cart);
     }
 
+    @Transactional
+    public CartResponse removeCoupon(Long userId, Long storeId) {
+        Cart cart = cartRepository
+                .findActiveCartByUserAndStore(userId, storeId, "ACTIVE")
+                .orElseThrow(() -> new BusinessException("No active cart found"));
+
+        requireNotCheckoutPending(cart);
+        cart.setCoupon(null);
+        recalculate(cart);
+
+        return toResponse(cart);
+    }
+
     @Transactional
     public CartResponse applyPoints(Long userId, Long storeId, Boolean useLoyaltyPoints) {
         Cart cart = cartRepository
@@ -244,6 +257,34 @@ public class CartService {
                 .setScale(0, RoundingMode.HALF_UP)
                 .longValue();
 
+        // Free checkout: total is $0.00, or points are applied and the remaining
+        // amount is below Stripe's $0.50 minimum (cannot be charged via card)
+        if (amountInCents == 0 || (amountInCents < 50 && Boolean.TRUE.equals(cart.getPointsApplied()))) {
+            SaleRequest saleRequest = new SaleRequest();
+            saleRequest.setStoreId(cart.getStore().getStoreId());
+            saleRequest.setCustomerId(cart.getUser().getId());
+            saleRequest.setCartId(cart.getCartId());
+            saleRequest.setCouponId(cart.getCoupon() != null ? cart.getCoupon().getCouponId() : null);
+            saleRequest.setPaymentMethod("Points");
+            saleRequest.setChannel("WEBSITE");
+            saleRequest.setItems(items.stream()
+                    .map(item -> {
+                        SaleItemRequest sir = new SaleItemRequest();
+                        sir.setProdId(item.getProduct().getProdId());
+                        sir.setQuantity(item.getQuantity());
+                        return sir;
+                    })
+                    .toList());
+
+            saleService.createSale(saleRequest);
+
+            cart.setCartStatus("CHECKED_OUT");
+            cart.setCheckoutPending(false);
+            cartRepository.save(cart);
+
+            return new CheckoutResponse(cart.getCartId(), null, BigDecimal.ZERO, "succeeded");
+        }
+
         if (amountInCents < 50) {
             throw new BusinessException("Order total is too low to process payment");
         }
@@ -411,12 +452,10 @@ public class CartService {
         Coupon coupon = cart.getCoupon();
 
         if (coupon != null) {
-            if ("PERCENTAGE".equalsIgnoreCase(coupon.getDiscountType())) {
+            if (isPercentageType(coupon.getDiscountType())) {
                 discount = subtotal.multiply(coupon.getDiscountValue())
                         .divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP);
-            }
-
-            else if ("FIXED".equalsIgnoreCase(coupon.getDiscountType())) {
+            } else if (isFixedType(coupon.getDiscountType())) {
                 discount = coupon.getDiscountValue().min(subtotal);
             }
         }
@@ -442,12 +481,10 @@ public class CartService {
         Coupon coupon = cart.getCoupon();
 
         if (coupon != null) {
-            if ("PERCENTAGE".equalsIgnoreCase(coupon.getDiscountType())) {
+            if (isPercentageType(coupon.getDiscountType())) {
                 discount = subtotal.multiply(coupon.getDiscountValue())
                         .divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP);
-            }
-
-            else if ("FIXED".equalsIgnoreCase(coupon.getDiscountType())) {
+            } else if (isFixedType(coupon.getDiscountType())) {
                 discount = coupon.getDiscountValue().min(subtotal);
             }
         }
@@ -460,6 +497,14 @@ public class CartService {
         return remainingAfterCoupon.subtract(pointsDiscount).max(BigDecimal.ZERO);
     }
 
+    private boolean isPercentageType(String discountType) {
+        return "PERCENTAGE".equalsIgnoreCase(discountType) || "PERCENT".equalsIgnoreCase(discountType);
+    }
+
+    private boolean isFixedType(String discountType) {
+        return "FIXED".equalsIgnoreCase(discountType) || "FLAT".equalsIgnoreCase(discountType);
+    }
+
 
     private BigDecimal calculatePointsDiscount(User user, BigDecimal remainingAmount, boolean pointsApplied) {
         if (!pointsApplied || user == null || remainingAmount.compareTo(BigDecimal.ZERO) <= 0) {
@@ -472,10 +517,12 @@ public class CartService {
             return BigDecimal.ZERO;
         }
 
-        BigDecimal maxRedeemable = remainingAmount.setScale(0, RoundingMode.DOWN);
-        return BigDecimal.valueOf(wholeDollars)
-                .min(maxRedeemable)
-                .setScale(2, RoundingMode.HALF_UP);
+        BigDecimal maxDiscount = BigDecimal.valueOf(wholeDollars);
+        // If points can fully cover the remaining amount, discount the entire total to $0.00
+        if (maxDiscount.compareTo(remainingAmount) >= 0) {
+            return remainingAmount.setScale(2, RoundingMode.HALF_UP);
+        }
+        return maxDiscount.setScale(2, RoundingMode.HALF_UP);
     }
 
     private CartResponse toResponse(Cart cart) {
@@ -509,6 +556,8 @@ public class CartService {
         response.setPointsDiscountAmount(cart.getPointsDiscountAmount());
         response.setTotalAmount(cart.getTotalAmount());
         response.setCouponCode(cart.getCoupon() != null ? cart.getCoupon().getCouponCode() : null);
+        response.setCouponDiscountType(cart.getCoupon() != null ? cart.getCoupon().getDiscountType() : null);
+        response.setCouponDiscountValue(cart.getCoupon() != null ? cart.getCoupon().getDiscountValue() : null);
         response.setPointsApplied(cart.getPointsApplied());
         response.setAvailableLoyaltyPoints(cart.getUser() != null ? cart.getUser().getLoyaltyPoints() : null);
         response.setCheckoutPending(cart.getCheckoutPending());