discourse-mirrors/discourse-shared-edits
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discourse-shared-edits/app
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Sam 50d9317272
FEATURE: yjs-based collaborative editing with state recovery and cursor sync 
Major overhaul of the shared edits plugin to improve reliability, robustness,
and developer experience:

**Backend**
- Extract Revise service for cleaner controller orchestration
- Add StateValidator for base64/Yjs safety, corruption detection, and recovery
- Centralize protocol constants (Ruby + JS) to avoid hardcoded strings
- Add state hash sync verification and vector validation endpoints
- Harden security (guardian checks), error handling, and resource cleanup
- Resize shared edit columns migration; add state_hash column

**Frontend**
- Decompose shared-edit-manager into focused modules: yjs-document,
  markdown-sync, rich-mode-sync, network-manager, encoding-utils
- Add cursor overlay and caret coordinate tracking for selection sharing
- Add ProseMirror extension for rich-mode collaborative editing
- Cache-busted Yjs bundle loading via hashed filenames
- Fix scroll drift during sync

**Testing & Tooling**
- Extensive new specs: state_validator, revision_controller, model, revise service
- New Ember acceptance tests: cursor, lifecycle, sync flows
- Add support scripts: fake_writer (Playwright), state_corruptor, debug_recovery
- Add support/lint wrapper for full CI lint suite
- Update dependencies and rebuild Yjs/y-prosemirror bundles
2026-02-13 11:34:52 +11:00
..
controllers/discourse_shared_edits FEATURE: yjs-based collaborative editing with state recovery and cursor sync 2026-02-13 11:34:52 +11:00
jobs FEATURE: yjs-based collaborative editing with state recovery and cursor sync 2026-02-13 11:34:52 +11:00
models FEATURE: yjs-based collaborative editing with state recovery and cursor sync 2026-02-13 11:34:52 +11:00
services/discourse_shared_edits FEATURE: yjs-based collaborative editing with state recovery and cursor sync 2026-02-13 11:34:52 +11:00