feat: add durable asset synchronization worker

src/lib/domain/model.ts

@@ -18,12 +18,12 @@ export type Character = {
   scopes: string[];
   /** Exactly one active primary may authenticate while signed out. */
   loginRole: 'primary' | 'data_only';
-  authorizationStatus: 'active' | 'revocation_pending' | 'quarantined' | 'revoked' | 'transferred';
+  authorizationStatus: 'active' | 'revocation_pending' | 'quarantined' | 'revoked' | 'transferred' | 'reconnect_required';
   grantRevision: number;
   credentialVersion: number;
   authorizationEpoch: number;
   datasets: CharacterDatasetStatus[];
-  assets: { status: 'never' | 'syncing' | 'ready' | 'error'; syncedAt?: number; expiresAt?: number; error?: string };
+  assets: { status: 'never' | 'queued' | 'syncing' | 'ready' | 'error'; syncedAt?: number; expiresAt?: number; error?: string };
 };
 export type Asset = {
   itemId: string;
@@ -307,6 +307,20 @@ export type JobOwner =
 
 export type JobAuthority = 'user' | 'system';
 export type SyncJobStatus = 'queued' | 'running' | 'succeeded' | 'failed' | 'cancelled' | 'quarantined';
+export type SyncJobDataset = 'assets';
+export type SafeSyncJob = {
+  id: string;
+  dataset: SyncJobDataset;
+  characterId: number;
+  status: SyncJobStatus;
+  attempts: number;
+  dueAt: number;
+  createdAt: number;
+  updatedAt: number;
+  leaseExpiresAt: number | null;
+  cancelRequested: boolean;
+  error?: string;
+};
 export type PublicationOutcome = 'success' | 'failure';
 export type PublicationResourceFence = SelectedResource & {
   /** Monotonic revocation/quarantine epoch, distinct from grant and credential versions. */