feat: lazy-load device resource status via AJAX

internal/web/ui.go

@@ -610,6 +610,7 @@ func (u *UI) Routes() (chi.Router, error) {
 	r.Get("/system", u.pageSystem)
 	r.Get("/system/db-backup", u.pageSystemDBBackup)
 	r.Get("/resources", u.pageResources)
+	r.Get("/api/resources/device-status", u.apiResourceDeviceStatus)
 	r.Post("/system/db-restore", u.actionSystemDBRestore)
 	r.Get("/api/graph-node-types", u.apiGraphNodeTypes)
 	r.Get("/device-config", u.pageDeviceConfig)
@@ -1418,14 +1419,31 @@ func (u *UI) pageResources(w http.ResponseWriter, r *http.Request) {
 			data.OnlineCount++
 		}
 	}
-	board := service.ResourceStatusBoard{}
 	if strings.TrimSpace(u.dbPath) != "" {
 		if store, err := storage.OpenSQLite(u.dbPath); err == nil {
 			resourcesRepo := storage.NewResourcesRepo(store.DB())
 			if items, err := resourcesRepo.List(); err == nil {
 				data.StandardResources = items
+			}
+			_ = store.Close()
+		}
+	}
+	u.render(w, r, "resources", data)
+}
+
+func (u *UI) apiResourceDeviceStatus(w http.ResponseWriter, r *http.Request) {
+	u.ensureDevicesLoaded()
+	devices := u.registry.GetDevices()
+	board := service.ResourceStatusBoard{
+		Summary: service.ResourceStatusSummary{Devices: len(devices)},
+	}
+	if strings.TrimSpace(u.dbPath) != "" {
+		if store, err := storage.OpenSQLite(u.dbPath); err == nil {
+			resourcesRepo := storage.NewResourcesRepo(store.DB())
+			if items, err := resourcesRepo.List(); err == nil {
+				board.Summary.StandardResources = len(items)
 				installed := map[string][]service.InstalledResourceStatus{}
-				for _, device := range data.Devices {
+				for _, device := range devices {
 					if device == nil || !device.Online {
 						continue
 					}
@@ -1434,13 +1452,13 @@ func (u *UI) pageResources(w http.ResponseWriter, r *http.Request) {
 						installed[device.DeviceID] = items
 					}
 				}
-				board = service.BuildResourceStatusBoard(data.StandardResources, data.Devices, installed)
+				board = service.BuildResourceStatusBoard(items, devices, installed)
 			}
 			_ = store.Close()
 		}
 	}
-	data.ResourceStatusBoard = &board
-	u.render(w, r, "resources", data)
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(board)
 }
 
 func (u *UI) actionResourceSync(w http.ResponseWriter, r *http.Request) {

internal/web/ui/templates/resources.html

@@ -1,5 +1,4 @@
 {{define "resources"}}
-{{$board := .ResourceStatusBoard}}
 <div class="card">
   <div class="section-title">
     <div>
@@ -7,7 +6,7 @@
       <div class="form-hint">统一维护标准资源，设备侧通过任务同步。当前支持人脸库等资源类型。</div>
     </div>
     <div class="actions compact">
-      <form method="post" action="/ui/resources/sync">
+      <form method="post" action="/ui/resources/sync" id="sync-form">
         {{range .Devices}}{{if .Online}}<input type="hidden" name="device_id" value="{{.DeviceID}}">{{end}}{{end}}
         <input type="hidden" name="action" value="resource_sync_all">
         <button class="btn" type="submit">同步全部资源</button>
@@ -17,7 +16,7 @@
   <div class="stats">
     <div class="stat accent-teal">
       <div class="k metric-label">{{icon "template"}}<span>标准资源总数</span></div>
-      <div class="v">{{if $board}}{{$board.Summary.StandardResources}}{{else}}0{{end}}</div>
+      <div class="v" id="stat-standard">{{len .StandardResources}}</div>
     </div>
     <div class="stat accent-green">
       <div class="k metric-label">{{icon "devices"}}<span>在线设备数</span></div>
@@ -25,15 +24,15 @@
     </div>
     <div class="stat accent-teal">
       <div class="k metric-label">{{icon "assets"}}<span>完整设备数</span></div>
-      <div class="v">{{if $board}}{{$board.Summary.CompleteDevices}}{{else}}0{{end}}</div>
+      <div class="v" id="stat-complete">-</div>
     </div>
     <div class="stat accent-amber">
       <div class="k metric-label">{{icon "warn"}}<span>缺失设备数</span></div>
-      <div class="v">{{if $board}}{{$board.Summary.MissingDevices}}{{else}}0{{end}}</div>
+      <div class="v" id="stat-missing">-</div>
     </div>
     <div class="stat accent-amber">
       <div class="k metric-label">{{icon "service"}}<span>不一致设备数</span></div>
-      <div class="v">{{if $board}}{{$board.Summary.MismatchDevices}}{{else}}0{{end}}</div>
+      <div class="v" id="stat-mismatch">-</div>
     </div>
   </div>
 </div>
@@ -67,15 +66,15 @@
   </div>
 </div>
 
-<div class="card">
+<div class="card" id="device-status-card">
   <div class="section-title">
     <div>
       <h2 class="title-with-icon">{{icon "devices"}}<span>设备资源状态</span></h2>
-      <div class="form-hint">按标准资源逐项比对设备已安装状态，缺失和不一致会直接标出。</div>
+      <div class="form-hint">按标准资源逐项比对设备已安装状态，缺失和不一致会直接标出。<span id="status-hint"></span></div>
     </div>
   </div>
   <div class="table-wrap">
-    <table class="models-status-table">
+    <table class="models-status-table" id="device-status-table">
       <thead>
         <tr>
           <th>设备</th>
@@ -83,42 +82,69 @@
           <th class="model-extra-col">非标资源</th>
         </tr>
       </thead>
-      <tbody>
-        {{if and $board (gt (len $board.Rows) 0)}}
-          {{range $board.Rows}}
-          <tr>
-            <td>
-              <div class="table-key">{{.DeviceName}}</div>
-              <div class="muted small mono">{{.DeviceID}}</div>
-            </td>
-            {{range .Cells}}
-            <td>
-              {{if eq .Status "ok"}}<span class="pill ok">一致</span>
-              {{else if eq .Status "mismatch"}}<span class="pill warn">不一致</span>
-              {{else}}<span class="pill bad">缺失</span>{{end}}
-            </td>
-            {{end}}
-            <td>
-              {{if gt .ExtraCount 0}}
-              <details class="mini-details">
-                <summary>{{.ExtraCount}} 个 · 更多</summary>
-                <div class="mini-details-body">
-                  {{range .ExtraResources}}
-                  <div class="mini-details-item mono">{{.Name}}</div>
-                  {{end}}
-                </div>
-              </details>
-              {{else}}
-              <span class="muted">0</span>
-              {{end}}
-            </td>
-          </tr>
-          {{end}}
-        {{else}}
-        <tr><td colspan="99" class="muted">暂无设备资源状态。请先确保设备在线且 agent 实现了 GET /v1/resources/status 端点。</td></tr>
-        {{end}}
+      <tbody id="device-status-body">
+        <tr><td colspan="99" class="muted">正在加载设备资源状态…</td></tr>
       </tbody>
     </table>
   </div>
 </div>
+
+<script>
+(function() {
+  var cols = {{len .StandardResources}};
+  var typeLabels = {};
+  {{range .StandardResources}}
+  typeLabels["{{.Name}}"] = "{{resourceTypeLabel .ResourceType}}";
+  {{end}}
+
+  function pill(cls, text) {
+    var m = {"ok":"一致","mismatch":"不一致","missing":"缺失"};
+    return '<span class="pill ' + cls + '">' + (m[text]||text) + '</span>';
+  }
+
+  function renderBoard(board) {
+    document.getElementById("stat-complete").textContent = board.summary.complete_devices;
+    document.getElementById("stat-missing").textContent = board.summary.missing_devices;
+    document.getElementById("stat-mismatch").textContent = board.summary.mismatch_devices;
+
+    var body = document.getElementById("device-status-body");
+    if (!board.rows || board.rows.length === 0) {
+      body.innerHTML = '<tr><td colspan="99" class="muted">暂无设备资源状态。请先确保设备在线且 agent 实现了 GET /v1/resources/status 端点。</td></tr>';
+      return;
+    }
+    var html = '';
+    for (var i = 0; i < board.rows.length; i++) {
+      var row = board.rows[i];
+      html += '<tr>';
+      html += '<td><div class="table-key">' + esc(row.device_name) + '</div><div class="muted small mono">' + esc(row.device_id) + '</div></td>';
+      for (var j = 0; j < row.cells.length; j++) {
+        var c = row.cells[j];
+        html += '<td>' + pill(c.status === "ok" ? "ok" : c.status === "mismatch" ? "warn" : "bad", c.status) + '</td>';
+      }
+      html += '<td>';
+      if (row.extra_resource_count > 0) {
+        html += '<details class="mini-details"><summary>' + row.extra_resource_count + ' 个 · 更多</summary><div class="mini-details-body">';
+        for (var k = 0; k < row.extra_resources.length; k++) {
+          html += '<div class="mini-details-item mono">' + esc(row.extra_resources[k].name) + '</div>';
+        }
+        html += '</div></details>';
+      } else {
+        html += '<span class="muted">0</span>';
+      }
+      html += '</td></tr>';
+    }
+    body.innerHTML = html;
+    document.getElementById("status-hint").textContent = ' (已刷新)';
+  }
+
+  function esc(s) { return (s||'').replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;'); }
+
+  fetch('/ui/api/resources/device-status')
+    .then(function(r) { return r.json(); })
+    .then(renderBoard)
+    .catch(function(e) {
+      document.getElementById("device-status-body").innerHTML = '<tr><td colspan="99" class="muted">加载失败，请刷新页面重试。</td></tr>';
+    });
+})();
+</script>
 {{end}}