Fix server file list fallback

platform/service/resources_test.go

@@ -1165,6 +1165,50 @@ func TestServerFileListFallsBackToPluginWorkspaceWithoutRunListCapability(t *tes
 	}
 }
 
+func TestServerFileListFallsBackToPluginWorkspaceWhenRunEndpointUnavailable(t *testing.T) {
+	svc := newTestCoreService()
+	plugin, endpoint := createPluginAndRunEndpoint(t, svc)
+	plugin.FileWorkspace = scumTestFileWorkspace()
+	if err := svc.store.GamePlugins().Update(plugin); err != nil {
+		t.Fatalf("update plugin workspace: %v", err)
+	}
+	ownerSession := createServiceUserAndLogin(t, svc, domain.User{ID: "user-file-list-run-missing", DisplayName: "File List Run Missing", Email: "file-list-run-missing@example.test", Roles: []string{"server-owner"}, PasswordHash: "secret-password"})
+	instance, err := svc.CreateServerInstanceForSession(ownerSession, domain.ServerInstance{ID: "server-file-list-run-missing", PluginID: plugin.ID, RunEndpointID: endpoint.ID, Name: "File List Missing Run", State: domain.ServerInstanceStateRunning})
+	if err != nil {
+		t.Fatalf("create server: %v", err)
+	}
+	if err := svc.store.RunEndpoints().Delete(endpoint.ID); err != nil {
+		t.Fatalf("delete run endpoint: %v", err)
+	}
+
+	refresh, err := svc.RefreshServerFileListForSession(ownerSession, domain.ServerFileListRequest{ServerInstanceID: instance.ID, DirectoryKey: "scum-config", IdempotencyKey: "idem-file-list-run-missing"})
+	if err != nil {
+		t.Fatalf("refresh file list without run endpoint: %v", err)
+	}
+	if refresh.State != "ready" || refresh.Job.ID != "" || len(refresh.Entries) != 2 || refresh.Entries[1].LogicalKey != "scum-server-settings" || !strings.Contains(refresh.Reason, "Run 注册记录不存在") {
+		t.Fatalf("expected declared workspace fallback without run endpoint, got %+v", refresh)
+	}
+	jobs, err := svc.store.Jobs().List(domain.JobFilter{ServerInstanceID: instance.ID})
+	if err != nil {
+		t.Fatalf("list missing-run jobs: %v", err)
+	}
+	if len(jobs) != 0 {
+		t.Fatalf("missing Run endpoint must not create a failed refresh job, got %+v", jobs)
+	}
+
+	draft, err := svc.CreateServerInstanceForSession(ownerSession, domain.ServerInstance{ID: "server-file-list-run-unbound", PluginID: plugin.ID, Name: "File List Unbound Run", State: domain.ServerInstanceStateDraft})
+	if err != nil {
+		t.Fatalf("create unbound draft server: %v", err)
+	}
+	unbound, err := svc.RefreshServerFileListForSession(ownerSession, domain.ServerFileListRequest{ServerInstanceID: draft.ID, DirectoryKey: "scum-config", IdempotencyKey: "idem-file-list-run-unbound"})
+	if err != nil {
+		t.Fatalf("refresh file list without run binding: %v", err)
+	}
+	if unbound.State != "ready" || unbound.Job.ID != "" || len(unbound.Entries) != 2 || unbound.Entries[1].LogicalKey != "scum-server-settings" || !strings.Contains(unbound.Reason, "尚未绑定 Run") {
+		t.Fatalf("expected declared workspace fallback without run binding, got %+v", unbound)
+	}
+}
+
 func TestDeclaredFileReadSnapshotProjectionStatesAndPassThroughContent(t *testing.T) {
 	svc := newTestCoreService()
 	plugin, endpoint := createPluginAndRunEndpoint(t, svc)

platform/service/server_files.go

@@ -152,11 +152,33 @@ func (svc *CoreService) RefreshServerFileListForSession(sessionID string, reques
 	if err != nil {
 		return domain.ServerFileListResult{}, err
 	}
+	entries := filterServerFileEntries(serverFileEntriesFromDeclaredWorkspace(ctx.Workspace, request.DirectoryKey), request.Query)
+	if strings.TrimSpace(ctx.Instance.RunEndpointID) == "" {
+		return domain.CopyServerFileListResult(domain.ServerFileListResult{
+			ServerInstanceID: ctx.Instance.ID,
+			PluginID:         ctx.Plugin.ID,
+			DirectoryKey:     request.DirectoryKey,
+			Path:             request.Path,
+			State:            "ready",
+			Entries:          entries,
+			Reason:           "当前服务器尚未绑定 Run，已展示插件声明的逻辑文件。",
+		}), nil
+	}
 	endpoint, err := svc.GetRunEndpoint(ctx.Instance.RunEndpointID)
 	if err != nil {
+		if errors.Is(err, repo.ErrNotFound) {
+			return domain.CopyServerFileListResult(domain.ServerFileListResult{
+				ServerInstanceID: ctx.Instance.ID,
+				PluginID:         ctx.Plugin.ID,
+				DirectoryKey:     request.DirectoryKey,
+				Path:             request.Path,
+				State:            "ready",
+				Entries:          entries,
+				Reason:           "当前 Run 注册记录不存在，已展示插件声明的逻辑文件。",
+			}), nil
+		}
 		return domain.ServerFileListResult{}, err
 	}
-	entries := filterServerFileEntries(serverFileEntriesFromDeclaredWorkspace(ctx.Workspace, request.DirectoryKey), request.Query)
 	if !containsString(endpoint.Capabilities, domain.JobCapabilityFilesList) {
 		return domain.CopyServerFileListResult(domain.ServerFileListResult{
 			ServerInstanceID: ctx.Instance.ID,