sync: update from private repo (6fcb0d0)

src/bridge/server.ts

@@ -43,6 +43,7 @@ import { createWorkerMetrics, type WorkerMetrics } from '../metrics/worker-metri
 import { createMetricsHandler } from '../metrics/http-handler.js';
 import { buildDirectProbe, buildProxyProbe } from '../engine/backend-probes.js';
 import { startTrashCleanup } from '../user-folder/trash-cleanup.js';
+import { userPiecesDir } from '../user-folder/paths.js';
 import { startReflectionRetentionSweep } from '../engine/reflection/retention.js';
 import type { AuthConfig } from '../config.js';
 import { isKeyConfigured } from '../mcp/crypto.js';
@@ -777,7 +778,16 @@ export function createCoreServer(opts: CoreServerOptions): {
     generateTitle: opts.generateTitle,
     selectPiece: opts.selectPiece,
     pieceExists: opts.piecesDir
-      ? (name: string) => findPieceFile(name, opts.piecesDir!, opts.customPiecesDir) !== null
+      ? (name: string, ownerId?: string) => {
+          // Mirror the worker's per-user → global-custom → builtin resolution order.
+          // 1. Owner's per-user dir (matches what worker uses at job run time).
+          // No-auth tasks (ownerId null) fall back to 'local', mirroring the worker.
+          const ufl = loadConfig().userFolderRoot ?? './data/users';
+          const ownerForPieces = ownerId ?? 'local';
+          if (existsSync(join(userPiecesDir(ufl, ownerForPieces), `${name}.yaml`))) return true;
+          // 2. Global-custom + builtin via existing helper.
+          return findPieceFile(name, opts.piecesDir!, opts.customPiecesDir) !== null;
+        }
       : undefined,
     sessRepo,
     getMaxUploadMb: opts.configManager