2 Commits

Author	SHA1	Message	Date
jubnl	5500405f2f	fix(security): stop cross-user offline data leak on shared devices (#1176) ... Closes BLOCKER B4 — three reinforcing paths could serve one account's cached data to the next user on a shared device: - The Workbox 'api-data' cache keyed trip/user-scoped GETs by URL only (cookie-blind). Changed to NetworkOnly; offline reads come from the per-user IndexedDB cache via the repo layer instead. - IndexedDB had no per-user scoping. The Dexie connection is now scoped per user (trek-offline-u<id>) behind a Proxy so the ~19 importers keep a stable binding; login opens the user DB, logout deletes it and returns to the anonymous DB. - logout() was fire-and-forget and racy: background flush/syncAll could re-seed the DB after the wipe. It is now async and ordered — close an auth gate, unregister sync triggers, disconnect, clear caches, delete the user DB — and flush()/syncAll() bail when the gate is closed.	2026-06-15 07:58:20 +02:00
jubnl	b194e8317d	feat(pwa): implement real offline mode with IndexedDB sync ... Add genuine offline read/write capability for trips: - Dexie IndexedDB schema (trips, places, packing, todo, budget, reservations, files, mutationQueue, syncMeta, blobCache) - Repo layer for all domains: offline reads from Dexie, writes optimistically to Dexie and enqueue mutations for later replay - Mutation queue with UUID idempotency keys (X-Idempotency-Key), FIFO flush, temp-ID reconciliation on 2xx, fail-and-continue on 4xx - Trip sync manager: caches all trips with end_date >= today or null, auto-evicts 7d after end_date, fetches bundle endpoint in one request - Map tile prefetcher: bbox from place coords, zooms 10-16, 50MB cap, warms SW cache via fetch - Sync triggers: network online → flush + syncAll; WS reconnect → flush only (rate-limiter safe); visibilitychange/30s → flush only - WS remoteEventHandler writes through to Dexie on every event - Server idempotency middleware + idempotency_keys table (migration 100, 24h TTL nightly cleanup) - GET /api/trips/:id/bundle endpoint for efficient single-request sync - OfflineBanner component: amber (offline) / blue (syncing) / hidden - OfflineTab in Settings: cached trip list, re-sync and clear actions - usePendingMutations hook for per-item pending indicators Closes #505 #541	2026-04-14 23:04:25 +02:00