CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Commands
+
+```bash
+# Development
+bun install                  # Install dependencies
+bun run dev                  # Dev server with experimental HTTPS (localhost:3000)
+bun run build                # Production build
+bun run start                # Start production server
+bun run lint                 # Run ESLint
+
+# Database
+npx prisma migrate dev       # Run/create migrations
+npx prisma db seed           # Seed with initial data
+npx prisma generate          # Regenerate Prisma client after schema changes
+```
+
+## Architecture
+
+**Sistem Desa Mandiri** is a village administration platform built on Next.js 14 (App Router) with PostgreSQL.
+
+### Key Layers
+
+- **`src/app/(application)/`** — Auth-protected pages grouped by feature (announcement, division, project, discussion, member, profile, home, group)
+- **`src/app/(auth)/`** — Login/register pages
+- **`src/app/api/`** — REST API endpoints; subdirectories map to resource types (`/api/announcement`, `/api/project`, `/api/task`, etc.). Mobile-specific endpoints live under `/api/mobile/`
+- **`src/module/`** — Business logic modules, one per feature (19 modules). Each module contains hooks, components, and API call functions for that domain
+- **`src/lib/`** — Shared utilities: Prisma client singleton (`prisma.ts`), Firebase init, route definitions (`routes.ts`), push notification hooks
+
+### Data Access Pattern
+
+All DB access goes through the Prisma client singleton in `src/lib/prisma.ts`. Prisma schema is at `prisma/schema.prisma` (40+ models). Migrations live in `prisma/migrations/`.
+
+### State Management
+
+- **Hookstate** (`@hookstate/core` + `@hookstate/localstored`) for client-side global state with localStorage persistence
+- **Iron-session** for server-side session management / auth
+- **Jose** for JWT handling
+
+### UI Stack
+
+- **Mantine 7** is the primary UI library (components, forms, modals, notifications, charts, dates, etc.)
+- **Tailwind CSS** for utility classes — used alongside Mantine
+- **PostCSS** configured with Mantine preset (`postcss.config.mjs`)
+
+### Real-time & Notifications
+
+- **Firebase FCM** (`src/lib/firebase/`) for mobile push notifications
+- **Web Push + VAPID keys** (`src/lib/usePushNotifications.ts`) for browser push
+- **wibu-realtime** (custom library) for WebSocket-based real-time updates
+
+### User Roles
+
+Five roles with distinct access levels (see `PANDUAN PENGGUNAAN.md`):
+1. **Super Admin** — full system access
+2. **Admin Desa** — village-level administration
+3. **Ketua Divisi** — division leader
+4. **Anggota Divisi** — division member
+5. **Warga/Perangkat Desa** — village resident/official
+
+## Environment Variables
+
+Copy `.env.example` to `.env`. Required variables:
+
+| Variable | Purpose |
+|---|---|
+| `DATABASE_URL` | PostgreSQL connection string |
+| `GOOGLE_PROJECT_ID`, `GOOGLE_CLIENT_EMAIL`, `GOOGLE_PRIVATE_KEY` | Firebase Admin SDK (FCM) |
+| `NEXT_PUBLIC_VAPID_PUBLIC_KEY`, `VAPID_PRIVATE_KEY` | Web Push |
+| `WS_APIKEY` | WebSocket/file storage API key |
+| `WIBU_REALTIME_KEY` | Real-time communication |
+| `FCM_KEY` | Firebase Cloud Messaging |
+
+## Deployment
+
+Docker images are built via `.github/workflows/publish.yml` and pushed to GHCR (`ghcr.io`). Portainer redeploys via `.github/workflows/re-pull.yml`. Supports `dev`, `stg`, and `prod` stacks.
+
+The Dockerfile uses a two-stage build: Bun builder → Bun runner (non-root user, port 3000).