···11+# Bug Fixes - Local Development Setup
22+33+## Summary
44+Fixed critical issues blocking local development after Cloudflare migration.
55+66+## Issues Fixed
77+88+### 1. OAuth API Breaking Changes (✅ Fixed)
99+**Problem:** `@atcute/oauth-node-client` v1.1.0 removed `importJwkKey` export
1010+1111+**Solution:**
1212+- Updated to use `ClientAssertionPrivateJwk` type directly
1313+- Parse JWK JSON and pass as array to keyset parameter
1414+- Updated key generation script to use `generateClientAssertionKey`
1515+1616+**Files Changed:**
1717+- `src/lib/server/auth.ts`
1818+- `scripts/generate-key.ts`
1919+2020+### 2. Missing Local Development Fallbacks (✅ Fixed)
2121+**Problem:** App required Cloudflare D1 and KV which aren't available in local dev
2222+2323+**Solution:**
2424+- Database: Falls back to better-sqlite3 when D1 not available
2525+- OAuth Storage: Falls back to MemoryStore when KV not available
2626+- Environment: Reads from process.env when platform.env not available
2727+- Added dotenv back for local development
2828+2929+**Files Changed:**
3030+- `src/lib/server/db.ts`
3131+- `src/lib/server/auth.ts`
3232+- `src/hooks.server.ts`
3333+3434+### 3. ESM/CommonJS Module Issues (✅ Fixed)
3535+**Problem:** `require is not defined` error in ESM modules
3636+3737+**Solution:**
3838+- Use `createRequire` from 'module' to enable CommonJS in ESM
3939+- Keep getDb synchronous to avoid breaking 16+ call sites
4040+4141+**Files Changed:**
4242+- `src/lib/server/db.ts`
4343+4444+### 4. OAuth Key Generation (✅ Fixed)
4545+**Problem:** Key generation script using old API, detecting commented keys
4646+4747+**Solution:**
4848+- Updated to use `generateClientAssertionKey` from @atcute/oauth-crypto
4949+- Fixed regex to only detect uncommented PRIVATE_KEY_JWK lines
5050+5151+**Files Changed:**
5252+- `scripts/generate-key.ts`
5353+5454+## Current Status
5555+5656+### ✅ Working
5757+- OAuth key generation (`npm run setup:key`)
5858+- Database initialization (SQLite local fallback)
5959+- Environment configuration (.env loading)
6060+- Build process (`npm run build`)
6161+6262+### ⚠️ Needs Testing
6363+- Dev server runtime (`npm run dev`)
6464+- OAuth login flow
6565+- Game creation and moves
6666+- Image generation endpoints
6767+6868+### 📋 Next Steps
6969+1. Test dev server with all endpoints
7070+2. Verify OAuth flow works end-to-end
7171+3. Test game creation and gameplay
7272+4. Add reactions feature
7373+5. Deploy to Cloudflare Pages
7474+7575+## Development Setup
7676+7777+To run locally:
7878+```bash
7979+# 1. Install dependencies
8080+npm install
8181+8282+# 2. Generate OAuth keys
8383+npm run setup:key
8484+8585+# 3. Start dev server
8686+npm run dev
8787+```
8888+8989+The app will use:
9090+- SQLite database at `./data/app.db`
9191+- MemoryStore for sessions/state
9292+- OAuth with generated JWK keys
9393+9494+## Deployment Notes
9595+9696+For Cloudflare Pages deployment:
9797+- D1 database will be used instead of SQLite
9898+- KV namespaces will be used instead of MemoryStore
9999+- Environment secrets from Cloudflare dashboard
100100+- See `CLOUDFLARE_DEPLOYMENT.md` for details