- All 8 route test files destructure { db, userId } from createTestDb()
- All route test middleware sets c.set("userId", userId)
- MCP tools.test.ts passes userId to all registerXTools(db, userId) calls
- MCP tools.test.ts passes userId to getCollectionSummary(db, userId)
- Added 4 cross-user isolation tests for MCP tools (items, item by ID, threads, collection summary)
- OAuth test db type annotation updated for new createTestDb return shape
- Images test now uses createTestDb with userId context
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Jean-Luc Makiola
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