docs: update AGENTS.md with actual project state and conventions

Reflects the actual tech choices made during implementation:
- Custom auth instead of @convex-dev/auth
- Inline styles instead of NativeWind
- self-deployed Convex constraints (no searchIndex, no v.union)
- Auth token pattern, role system, route structure
- Deployment commands and constraints

AGENTS.md

@@ -1,3 +1,74 @@
-# Expo HAS CHANGED
+# AGENTS.md
 
-Read the exact versioned docs at https://docs.expo.dev/versions/v56.0.0/ before writing any code.
+## Project
+
+МојМајстор — Expo React Native app connecting handymen with customers in Macedonia. Self-deployed Convex backend. All UI text in Macedonian; code variables and comments in English.
+
+## Tech Stack
+
+- **Frontend:** Expo SDK 56, React Native 0.85, TypeScript, Expo Router (file-based routing), inline styles (no NativeWind/Tailwind)
+- **Backend:** Convex (self-deployed at `https://backend-onhwnh06p0g3976vl34yx18v.testbed.mk:3210`)
+- **Auth:** Custom email/password with SHA-256 (Convex actions), stored in `accounts`/`sessions` tables — no @convex-dev/auth (incompatible with self-hosted)
+- **Deployment:** EAS Build + Update
+
+## Convex Setup
+
+- Deploy with: `npm run convex:dev` or `CONVEX_DEPLOYMENT="" npx convex dev --url https://backend-onhwnh06p0g3976vl34yx18v.testbed.mk:3210 --once`
+- Self-deployed Convex does **not** support `searchIndex` — use `.filter()` for search instead
+- Self-deployed Convex does **not** support `@convex-dev/auth` — custom auth via `convex/auth.ts`
+- Auth env vars already set: `AUTH_SECRET`, `AUTH_SECRET_1`-`AUTH_SECRET_10`, `AUTH_URL`
+
+## Key Conventions
+
+- **Language split:** Macedonian for all user-facing text, English for code
+- **Role system:** `handyman` | `customer` — set at registration. Handymen create ads; customers create posts; both can chat
+- **Auth token:** Stored in localStorage, passed to Convex queries/mutations as `token` argument. Verified server-side via `sessions` table
+- **Styling:** Inline styles only, using `useTheme()` hook from `components/theme.tsx`. No NativeWind, no StyleSheet.create
+- **Convex paths:** `convex/` — one file per domain. Schema in `convex/schema.ts`. Never edit `convex/_generated/`
+
+## Route Structure
+
+```
+app/
+  _layout.tsx          — Root: ConvexProvider + ThemeProvider + AuthContext + ErrorBoundary
+  (auth)/
+    login.tsx           — Email/password login
+    register.tsx        — Role selection (handyman/customer) + profile creation
+  (tabs)/
+    (home)/index.tsx    — Home: search + categories + recent ads
+    (explore)/index.tsx — Browse categories & filtered ads
+    (posts)/index.tsx   — Customer needs feed (open/all tabs)
+    (chat)/index.tsx    — Chat list
+    (profile)/index.tsx — User profile, my ads/posts
+  ad/
+    [id].tsx            — Ad detail with reviews & chat button
+    create.tsx          — 4-step ad creation form
+  post/
+    [id].tsx            — Post detail with respond button
+    create.tsx          — Create customer need
+  chat/
+    [id].tsx            — Chat conversation
+  review/
+    create.tsx          — Star rating + review form
+```
+
+## Commands
+
+```bash
+npx expo start                                           # Dev server
+npm run convex:dev                                       # Convex backend dev
+CONVEX_DEPLOYMENT="" npx convex dev --url $URL --once    # Deploy once
+npx tsc --noEmit                                         # Type check
+```
+
+## Constraints
+
+- Max 5 images per ad (stored as string IDs in schema, not `_storage` refs)
+- All timestamps are `Date.now()` milliseconds
+- Roles stored as `v.string()` (not `v.union(v.literal(...))`) due to self-deployed Convex compatibility
+- `useAuth()` export from `app/_layout.tsx` provides `{ token, userId, isAuthenticated, login, logout }`
+- Deep links: `mojmajstor://ad/[id]`, `mojmajstor://chat/[id]`
+
+## Full Plan
+
+See `implementation.md` for phased implementation details and data model.