MCP Server Plugin (#335)

.claude/rules.md

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+# Project Rules
+
+## General Development
+- **NEVER** commit or push without explicit confirmation
+
+## Build and Lint
+- **ALWAYS** run `npm run lint` after modifying TypeScript or JavaScript files
+- Run `npm run bootstrap` after changing plugin runtime or MCP server code
+
+## Plugin System
+
+### Backend Constraints
+- Always use `UpdateSource::Plugin` when calling database methods from plugin events
+- Never send timestamps (`createdAt`, `updatedAt`) from TypeScript - Rust backend controls these
+- Backend uses `NaiveDateTime` (no timezone) so avoid sending ISO timestamp strings
+
+### MCP Server
+- MCP server has **no active window context** - cannot call `window.workspaceId()`
+- Get workspace ID from `workspaceCtx.yaak.workspace.list()` instead
+
+## Rust Type Generation
+- Run `cd src-tauri && cargo test --package yaak-plugins` to regenerate TypeScript bindings after modifying Rust event types