species service validation (#317)

* fix species-service validation

* add grooming for hamster, other

* expand reptile and other services

web/app/appointments/page.js

@@ -20,20 +20,22 @@ const SPECIES_BREEDS = {
   Other: ["Other"],
 };
 
-// Explicit allowlists for species with restricted service availability.
-// Species not listed here may use all services.
-const SPECIES_SERVICE_ALLOWLIST = {
+const SPECIES_EXCLUSIVE_SERVICES = {
   Bird: ["wing clipping", "beak and nail"],
   Fish: ["aquarium health"],
 };
 
 function getAvailableServices(services, species) {
   if (!species) return services;
-  const allowlist = SPECIES_SERVICE_ALLOWLIST[species];
-  if (!allowlist) return services;
-  return services.filter((s) =>
-    allowlist.some((kw) => s.serviceName.toLowerCase().includes(kw))
-  );
+  return services.filter((s) => {
+    const name = s.serviceName.toLowerCase();
+    for (const [exclusiveSpecies, keywords] of Object.entries(SPECIES_EXCLUSIVE_SERVICES)) {
+      if (exclusiveSpecies !== species && keywords.some((kw) => name.includes(kw))) {
+        return false;
+      }
+    }
+    return true;
+  });
 }
 
 const DAYS = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];