Auth — email/password sign up and login
Onboarding — focus-topic quiz, then required avatar customization (DB-gated)
Avatar — layered sprite bit with per-layer styles and hex colors, naming, equipped shop items
Habits — catalog + custom habits, streaks, coin rewards
Daily quiz — wellness sliders and journal that affect bit mood
Shop — buy and equip items from shop_items / user_items (hats, glasses, backgrounds)
Profile — focus topic, vibe, and reminder preferences

User flow

Sign up / sign in
Step 1: onboarding quiz (focus topic only)
Step 2: avatar customization (required confirm + bit name)
Main app via bottom nav: Bit, Habits, Quiz, Shop, Profile

Onboarding progress is stored in the database (profiles.onboarding_quiz_complete, profiles.onboarding_complete, avatar_state.avatar_customized) and mirrored in auth metadata for fast client checks.

On the Bit tab, users view their digital self and open Style to customize name, look, and room.

Local setup

Install dependencies:
```
npm install
```
Create local environment file:
```
cp .env.example .env.local
```

Add Supabase values to .env.local:

NEXT_PUBLIC_SUPABASE_URL=
NEXT_PUBLIC_SUPABASE_ANON_KEY=

Apply migrations locally (Supabase CLI):
```
supabase db reset
```
Start the app:
```
npm run dev
```

Avatar customization data

Stored in avatar_state:

Column	Purpose
`avatar_name`	Bit display name
`skin_color`	Skin layer hex color
`pants_style` / `pants_color`	Pants variant id + hex
`shoe_style` / `shoe_color`	Shoes variant id + hex
`torso_style` / `torso_color`	Torso variant id + hex
`eye_type` / `eye_color`	Eyes variant id + hex
`head_style` / `head_color`	Head variant id + hex
`avatar_customized`	True after onboarding confirm
`equipped_items`	Shop item ids currently equipped