feat: 自动清理终态 Pod 执行器

internal/podbackend/backend_test.go

@@ -18,6 +18,7 @@ type fakeAPI struct {
 	entry     IdentityEntry
 	entryGone string
 	deleted   string
+	marked    map[string]string
 }
 
 func (a *fakeAPI) ListPods(_ context.Context, _ string, selector string) ([]Pod, error) {
@@ -32,6 +33,10 @@ func (a *fakeAPI) DeletePod(_ context.Context, _, name string) error {
 	a.deleted = name
 	return nil
 }
+func (a *fakeAPI) LabelPod(_ context.Context, _, _ string, labels map[string]string) error {
+	a.marked = labels
+	return nil
+}
 func (a *fakeAPI) EnsureIdentityEntry(_ context.Context, entry IdentityEntry) error {
 	a.entry = entry
 	return nil
@@ -119,6 +124,27 @@ func TestDeleteRemovesIdentityBeforePod(t *testing.T) {
 	}
 }
 
+func TestTerminalMarkerAndCleanupUseBackendState(t *testing.T) {
+	api := &fakeAPI{pods: []Pod{
+		{Name: "running", UID: "running-uid", Phase: "Running"},
+		{Name: "finished", UID: "finished-uid", Phase: "Succeeded"},
+	}}
+	backend := backend(api)
+	if err := backend.MarkTerminal(context.Background(), "gitea-task-42"); err != nil {
+		t.Fatal(err)
+	}
+	if api.marked[terminalLabel] != "true" {
+		t.Fatalf("labels = %#v", api.marked)
+	}
+	cleaned, err := backend.CleanupTerminated(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if api.selector != terminalLabel+"=true" || cleaned != 1 || api.deleted != "finished" || api.entryGone != "finished" {
+		t.Fatalf("selector=%q cleaned=%d deleted=%q entry=%q", api.selector, cleaned, api.deleted, api.entryGone)
+	}
+}
+
 func TestFindRejectsDuplicatePods(t *testing.T) {
 	api := &fakeAPI{pods: []Pod{{Name: "one"}, {Name: "two"}}}
 	if _, err := backend(api).Find(context.Background(), "gitea-task-42"); err == nil {