bugfix

internal/workspace/workspace_service.go

@@ -42,8 +42,13 @@ type workspaceService struct {
 	clones      CloneScheduler
 	dataDir     string
 	fetchTimout time.Duration
+	indexHook   IndexBuildHook
 }
 
+// SetIndexBuildHook injects the code-index enqueue callback (app wiring). On Sync
+// the workspace marks prior runs stale and enqueues a fresh build at new HEAD.
+func (s *workspaceService) SetIndexBuildHook(h IndexBuildHook) { s.indexHook = h }
+
 // NewWorkspaceService 构造 WorkspaceService 实现。
 func NewWorkspaceService(
 	repo Repository,
@@ -281,6 +286,13 @@ func (s *workspaceService) Sync(ctx context.Context, c Caller, wsID uuid.UUID) (
 		return nil, err
 	}
 	s.audit(writeCtx, &c.UserID, "workspace.sync", "workspace", wsID.String(), nil)
+	// Best-effort: re-index the main worktree at the new HEAD. The hook marks
+	// prior runs stale then enqueues a build (coalesced on commit). Never blocks.
+	if s.indexHook != nil {
+		if herr := s.indexHook(writeCtx, wsID, nil, ""); herr != nil {
+			s.audit(writeCtx, &c.UserID, "workspace.index_enqueue_failed", "workspace", wsID.String(), map[string]any{"err": herr.Error()})
+		}
+	}
 	return updated, nil
 }