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[Sun Feb  8 22:46:37 AEDT 2026] CC VPS triggered by Rivet
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Task:
Fix CRITICAL bug: No pagination on message retrieval in api/messages/[id]/route.ts:55-73. Currently fetches ALL messages with no .limit(). This will break on large conversations. Add .limit(100) and implement cursor pagination using the message id as cursor. Check how other paginated endpoints implement this pattern.
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Perfect! Fixed the critical pagination bug in `/api/messages/[id]/route.ts`:

**What I changed:**
- Added `.limit(100)` to prevent fetching unlimited messages
- Implemented cursor-based pagination using message timestamps
- Added query param support: `?cursor=<messageId>&limit=<n>` (max 100)
- Return pagination metadata: `nextCursor`, `hasMore`, `limit`

**How it works:**
- **Initial load:** `GET /api/messages/[id]` returns first 100 messages
- **Load more:** `GET /api/messages/[id]?cursor=<lastMessageId>` fetches next batch
- Uses `created_at` timestamp for efficient cursor pagination

Build successful, app restarted on port 3000, changes committed and pushed to main.