feat(mobile): boucle sync client↔serveur — outbox push + snapshot permissions
- api/types.ts : SyncOperation, SyncResult (sémantique `applied` = INDEX documentée),
ResourcePermission (miroir docs/api-v1.md §6, consommé tel quel par saveResourcePermission)
- api/client.ts : syncOps (POST /sync/ops), getSyncPermissions (GET /sync/permissions?after=),
hasAuthToken() ; INVALID_RESPONSE documenté dans docs/api-v1.md §1/§4
- services/db/repositories/pendingOps.ts : listQueuedOperations(limit) (batch FIFO due)
+ scheduleRetries(ids, retryAt) qui ne modifie JAMAIS attempts (erreur transitoire,
contrairement à markPendingOperation('failed') qui incrémente + backoff)
- features/syncOutbox.ts (nouveau) :
* pushPendingOps : batch ≤ SYNC_BATCH_SIZE (50) → ops [0, applied) passent 'completed' ;
op à l'index applied refusée → 'failed' (backoff, dead-letter MAX_PENDING_ATTEMPTS) ;
ops suivantes intactes (re-soumission) ; réseau/5xx → scheduleRetries (retried) sans
dead-letter prématurée ; applied==0 && failed → rien commité, aucun compteur touché
* refreshPermissions : delta monotone en mémoire lastPermissionCachedAt → `after`,
upsert saveResourcePermission ; no-op sans token
- features/syncDevice.ts : le tick useSyncDevice() enchaîne SAF walk → pushPendingOps()
→ refreshPermissions(), tous deux gardés par hasAuthToken()
- tests/syncOutbox.test.ts : 12 cas (FIFO/limit, succès complet/partiel, applied=0,
transitoire réseau + 5xx sans incrément, dead-letter après MAX_PENDING_ATTEMPTS,
delta snapshot croisé) — npm run test:sync
- tests/e2e.live.test.ts : smoke real backend (register → push → relecture /files/folders →
snapshot), skip si serveur down, SORTI de npm test via npm run test:e2e
- gates : npx tsc --noEmit + npm run test → 56/56 verts (24 db + 20 api + 12 sync)
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@@ -52,6 +52,7 @@ cd mobile && npm run test:db
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- `db/` — SQLite persistence, see `mobile/AGENTS.md` for the full contract (schema, migrations, repositories, tests)
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- `localStorage.ts` — thin re-export of `services/db` (legacy alias)
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- `features/syncDevice.ts` — device sync orchestration (two-pass SAF walk, single transaction per root, `exists = 0` reconciliation)
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- `features/syncOutbox.ts` — pulls `pending_operations` to `POST /sync/ops` (resume-at-`applied` index, transient retries never bump `attempts`) and `GET /sync/permissions` delta snapshot; both no-ops without an auth token
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- `context/AuthContext.tsx` — session context: exposes `deviceUserId` (bootstrapped from `getDeviceUserId()`) and starts the background `syncDevice` loop
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- `app/` — expo-router screens: `index.tsx` (dossiers racines + ajout SAF), `folder/[id].tsx` (sous-dossiers + fichiers)
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- `api/` — REST client (`client.ts` fetch wrapper + `types.ts` = contrat d'API : enveloppe `{ data, meta }`, erreurs `{ error: { code, message } }`)
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