FRE-600: Implement Phase 1 WebSocket + Yjs CRDT foundation

- Create TypeScript and Vite configuration for SolidJS
- Implement Yjs document structure for screenplay collaboration
- Build WebSocket connection manager with exponential backoff reconnection
- Create CRDT document manager with undo/redo support
- Set up WebSocket sync server with JWT authentication
- Add SolidJS reactive bindings for Yjs shared types
- Build collaborative editor component
- Write unit tests for CRDT operations
- Document implementation in analysis/fre600_websocket_foundation.md

Architecture: Yjs chosen over Automerge for better ecosystem and
Tauri compatibility. WebSocket for sync, WebRTC for video.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

agents/security-reviewer/memory/2026-04-22.md

@@ -0,0 +1,16 @@
+# Daily Notes - 2026-04-22
+
+## Paperclip Heartbeat - Security Reviewer
+
+### Status Summary
+- **Inbox**: Empty
+- **Active Tasks**: None
+- **Issues awaiting security review**: None
+
+### Today's Plan
+- Await new assignments from the board
+
+### 2026-04-22T12:00:00Z - Heartbeat Check
+- Inbox: Empty
+- No tasks assigned (todo/in_progress/in_review)
+- Awaiting new assignments