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3 commits

Author SHA1 Message Date
Till JS
4ff3ceb01a harden(mana-sync): fix WebSocket auth, add validation, tests, and docs 
Critical security and correctness fixes for the sync server:

Security:
- Fix WebSocket JWT validation — was completely broken (hardcoded
  "pending-auth"). Now validates JWT via JWKS, rejects invalid tokens,
  enforces 10-second auth deadline, sends auth-ok confirmation.
- Add 10 MB request body size limit (prevents OOM attacks)
- Validate op field (must be insert/update/delete)
- Validate table and id fields (must be non-empty)
- Abort sync on RecordChange failure (was silently continuing)

Correctness:
- Fix silent JSON unmarshal errors in store (now returns error)
- Copy client set before iterating in NotifyUser (prevents race)
- Add write timeout on WebSocket notifications

Testing (19 tests, 0 -> 100% for unit-testable code):
- auth: token extraction, validator init, missing auth handling
- config: defaults, env override, invalid port
- sync: op validation, changeset validation, response format,
  field change round-trip, body size constant

Documentation:
- Add CLAUDE.md with architecture, sync protocol, LWW explanation,
  API endpoints, configuration, security notes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-28 02:41:56 +01:00
Till JS
63376c1313 fix(mana-sync): correct JWKS URL to /api/auth/jwks 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 11:38:00 +01:00
Till JS
2e4bb9bad7 feat(local-first): add local-first architecture with Dexie.js, Go sync server, and Todo pilot 
Implement the foundational local-first data layer for ManaCore apps:

- New @manacore/local-store package (Dexie.js IndexedDB, sync engine, Svelte 5 reactive queries)
- New mana-sync Go service (sync protocol, WebSocket push, field-level LWW conflict resolution)
- Todo app migrated as pilot: stores read/write IndexedDB, guest mode with onboarding seed data
- PillNavigation: prominent login pill for unauthenticated users
- SyncIndicator component showing local/syncing/offline status
- GuestWelcomeModal on first visit for Todo app
- Removed demo-mode auth_required checks from Todo components (all writes are now local)
- CSP fix for local development (localhost:3001, localhost:3050)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 11:17:58 +01:00