Refresh config status after apply

internal/web/ui.go

@@ -949,6 +949,14 @@ func (u *UI) actionDeviceConfigCandidateApply(w http.ResponseWriter, r *http.Req
 	data.ResultTitle = "应用候选配置结果"
 	if err != nil {
 		data.Error = err.Error()
+	} else {
+		status, _, statusErr := u.loadConfigStatus(dev)
+		data.ConfigStatus = status
+		if statusErr != nil {
+			data.ConfigStatusErr = statusErr.Error()
+		} else {
+			data.ConfigStatusErr = ""
+		}
 	}
 	u.render(w, r, "config_preview", data)
 }

internal/web/ui_test.go

@@ -570,6 +570,92 @@ func TestUI_ConfigPreviewShowsApplySummaryAfterApplyResult(t *testing.T) {
 	}
 }
 
+func TestUI_ActionDeviceConfigCandidateApplyReloadsStatusAfterApply(t *testing.T) {
+	statusCalls := 0
+	agentServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch {
+		case r.Method == http.MethodGet && r.URL.Path == "/v1/config/status":
+			statusCalls++
+			w.Header().Set("Content-Type", "application/json")
+			if statusCalls == 1 {
+				_, _ = w.Write([]byte(`{
+					"ok": true,
+					"metadata": {"config_id": "preview_edge-01", "config_version": "v2"},
+					"candidate": {"exists": true, "path": "/opt/rk3588-media-server/etc/media-server.json.candidate.json"},
+					"last_good": {"exists": true, "path": "/opt/rk3588-media-server/etc/media-server.json.last_good.json", "metadata": {"config_id": "local_3588_face_debug", "config_version": "20260419.120246"}},
+					"media_server": {"running": true, "pid": 1810489}
+				}`))
+				return
+			}
+			_, _ = w.Write([]byte(`{
+				"ok": true,
+				"metadata": {"config_id": "preview_edge-01", "config_version": "v2"},
+				"candidate": {"exists": false, "path": "/opt/rk3588-media-server/etc/media-server.json.candidate.json"},
+				"last_good": {"exists": true, "path": "/opt/rk3588-media-server/etc/media-server.json.last_good.json", "metadata": {"config_id": "local_3588_face_debug", "config_version": "20260419.120246"}},
+				"media_server": {"running": true, "pid": 1810489}
+			}`))
+			return
+		case r.Method == http.MethodPost && r.URL.Path == "/v1/config/candidate/apply":
+			w.Header().Set("Content-Type", "application/json")
+			_, _ = w.Write([]byte(`{"ok":true}`))
+			return
+		default:
+			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
+		}
+	}))
+	defer agentServer.Close()
+
+	host, portText, err := net.SplitHostPort(strings.TrimPrefix(agentServer.URL, "http://"))
+	if err != nil {
+		t.Fatalf("parse test server address: %v", err)
+	}
+	port, err := strconv.Atoi(portText)
+	if err != nil {
+		t.Fatalf("parse test server port: %v", err)
+	}
+
+	cfg := &config.Config{Concurrency: 1, OfflineAfterMs: 1000000}
+	agent := service.NewAgentClient(cfg)
+	reg := service.NewRegistryService(cfg, agent)
+	reg.UpdateDevice(&models.Device{DeviceID: "edge-01", DeviceName: "入口识别节点", IP: host, AgentPort: port, MediaPort: 9000, Online: true})
+	tasks := service.NewTaskService(cfg, agent, reg)
+	ui, err := NewUI(nil, reg, agent, tasks, nil)
+	if err != nil {
+		t.Fatalf("NewUI: %v", err)
+	}
+
+	form := url.Values{}
+	form.Set("json", `{"templates":{"tpl":{"nodes":[],"edges":[]}},"instances":[],"metadata":{"config_id":"preview_edge-01","config_version":"v2","template":"workshop_face_shoe_alarm","profile":"local_3588_test"}}`)
+	req := httptest.NewRequest(http.MethodPost, "/ui/devices/edge-01/config-candidate/apply", strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.SetPathValue("id", "edge-01")
+	rctx := chi.NewRouteContext()
+	rctx.URLParams.Add("id", "edge-01")
+	req = req.WithContext(context.WithValue(req.Context(), chi.RouteCtxKey, rctx))
+	rr := httptest.NewRecorder()
+
+	ui.actionDeviceConfigCandidateApply(rr, req)
+
+	body := rr.Body.String()
+	if statusCalls != 2 {
+		t.Fatalf("expected status to be loaded twice, got %d", statusCalls)
+	}
+	for _, want := range []string{
+		"应用结果摘要",
+		"preview_edge-01 / v2",
+		"local_3588_face_debug / 20260419.120246",
+		"已清空",
+		"运行中",
+	} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("expected apply result HTML to contain %q, got:\n%s", want, body)
+		}
+	}
+	if strings.Contains(body, "仍存在") {
+		t.Fatalf("expected refreshed status after apply, got stale candidate state:\n%s", body)
+	}
+}
+
 func TestUI_ModelDeploymentPageRendersDeviceActions(t *testing.T) {
 	ui := newTestUI(t)
 	req := httptest.NewRequest(http.MethodGet, "/ui/models", nil)