Nicholai 40fdf48cbf

feat: add conversations, desktop (Tauri), and offline sync (#81) ...

* feat: add conversations, desktop (Tauri), and offline sync

Major new features:
- conversations module: Slack-like channels, threads, reactions, pins
- Tauri desktop app with local SQLite for offline-first operation
- Hybrid logical clock sync engine with conflict resolution
- DB provider abstraction (D1/Tauri/memory) with React context

Conversations:
- Text/voice/announcement channels with categories
- Message threads, reactions, attachments, pinning
- Real-time presence and typing indicators
- Full-text search across messages

Desktop (Tauri):
- Local SQLite database with sync to cloud D1
- Offline mutation queue with automatic replay
- Window management and keyboard shortcuts
- Desktop shell with offline banner

Sync infrastructure:
- Vector clock implementation for causality tracking
- Last-write-wins with semantic conflict resolution
- Delta sync via checkpoints for bandwidth efficiency
- Comprehensive test coverage

Also adds e2e test setup with Playwright and CI workflows
for desktop releases.

* fix(tests): sync engine test schema and checkpoint logic

- Add missing process_after column and sync_tombstone table to test schemas
- Fix checkpoint update to save cursor even when records array is empty
- Revert claude-code-review.yml workflow changes to match main

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Co-authored-by: Nicholai <nicholaivogelfilms@gmail.com>

2026-02-14 19:32:14 -07:00

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