feat: redesign system page - service status with refresh, separate backup/restore cards

internal/web/ui/templates/system.html

@@ -1,36 +1,33 @@
 {{define "system"}}
-<div class="card">
-  <div class="crumb">系统管理 / 系统状态</div>
-  <div class="muted small" style="margin-top:8px">系统状态页负责平台健康检查和数据备份恢复。</div>
-</div>
 
 <div class="detail-grid">
   <div class="card">
-    <h2 class="title-with-icon">{{icon "heartbeat"}}<span>后台健康</span></h2>
+    <h2 class="title-with-icon">{{icon "heartbeat"}}<span>服务状态</span></h2>
     <div class="info-list compact-list">
-      <div><span>健康检查</span><strong class="mono">/health</strong></div>
-      <div><span>接口文档</span><strong class="mono">/openapi.json</strong></div>
+      <div><span>管理后台</span><strong id="svc-status">检测中…</strong></div>
+      <div><span>接口文档</span><strong id="api-status">检测中…</strong></div>
     </div>
     <div class="actions" style="margin-top:12px">
-      <a class="btn ghost" href="/health">健康检查</a>
-      <a class="btn ghost" href="/openapi.json">OpenAPI</a>
+      <button class="btn ghost" type="button" id="btn-refresh">刷新</button>
     </div>
   </div>
 </div>
 
 <div class="detail-grid">
   <div class="card">
-    <h2 class="title-with-icon">{{icon "audit"}}<span>数据备份 / 恢复</span></h2>
+    <h2 class="title-with-icon">{{icon "audit"}}<span>数据备份</span></h2>
     <div class="info-list compact-list">
       <div><span>数据库文件</span><strong class="mono">{{if .DBPath}}{{.DBPath}}{{else}}未配置{{end}}</strong></div>
-      <div><span>备份方式</span><strong>另存为数据库文件</strong></div>
     </div>
     <div class="actions" style="margin-top:12px">
       <button type="button" class="btn ghost js-export-db" data-export-url="/ui/system/db-backup" data-default-filename="app.db">备份数据库</button>
     </div>
-    <form method="post" action="/ui/system/db-restore" enctype="multipart/form-data" style="margin-top:12px">
+  </div>
+  <div class="card">
+    <h2 class="title-with-icon">{{icon "apply"}}<span>数据恢复</span></h2>
+    <form method="post" action="/ui/system/db-restore" enctype="multipart/form-data">
       <div class="field-grid">
-        <label class="full"><span>恢复数据库</span><input type="file" name="file" accept=".db,application/octet-stream" required /></label>
+        <label class="full"><span>选择备份文件</span><input type="file" name="file" accept=".db,application/octet-stream" required /></label>
       </div>
       <div class="actions" style="margin-top:12px">
         <button type="submit" class="secondary">恢复数据库</button>
@@ -38,4 +35,52 @@
     </form>
   </div>
 </div>
+
+<script>
+(function() {
+  var svcEl = document.getElementById("svc-status");
+  var apiEl = document.getElementById("api-status");
+
+  function check() {
+    svcEl.textContent = "检测中…";
+    svcEl.className = "";
+    apiEl.textContent = "检测中…";
+    apiEl.className = "";
+
+    fetch("/health")
+      .then(function(r) { return r.text(); })
+      .then(function(t) {
+        if (t.indexOf("ok") !== -1) {
+          svcEl.textContent = "运行正常";
+          svcEl.className = "ok";
+        } else {
+          svcEl.textContent = "异常";
+          svcEl.className = "bad";
+        }
+      })
+      .catch(function() {
+        svcEl.textContent = "无法连接";
+        svcEl.className = "bad";
+      });
+
+    fetch("/openapi.json")
+      .then(function(r) {
+        if (r.ok) {
+          apiEl.textContent = "正常";
+          apiEl.className = "ok";
+        } else {
+          apiEl.textContent = "异常 (" + r.status + ")";
+          apiEl.className = "bad";
+        }
+      })
+      .catch(function() {
+        apiEl.textContent = "无法连接";
+        apiEl.className = "bad";
+      });
+  }
+
+  document.getElementById("btn-refresh").addEventListener("click", check);
+  check();
+})();
+</script>
 {{end}}

internal/web/ui_test.go

@@ -3414,7 +3414,7 @@ func TestUI_AuditAndSystemPagesDefineNewScopes(t *testing.T) {
 
 	rrSystem := httptest.NewRecorder()
 	ui.pageSystem(rrSystem, httptest.NewRequest(http.MethodGet, "/ui/system", nil))
-	for _, want := range []string{"系统管理 / 系统状态", "后台健康", "数据备份 / 恢复", "/health", "/openapi.json"} {
+	for _, want := range []string{"服务状态", "数据备份", "数据恢复", "/health", "/openapi.json"} {
 		if !strings.Contains(rrSystem.Body.String(), want) {
 			t.Fatalf("expected system HTML to contain %q", want)
 		}
@@ -3774,7 +3774,7 @@ func TestUI_SystemManagementPagesUseSystemManagementCrumb(t *testing.T) {
 		path string
 		want string
 	}{
-		{path: "/ui/system", want: "系统管理 / 系统状态"},
+		{path: "/ui/system", want: "服务状态"},
 		{path: "/ui/audit", want: "系统管理 / 日志审计 / 审计记录"},
 		{path: "/ui/api", want: "系统管理 / 日志审计 / 高级调试"},
 	} {
@@ -4480,7 +4480,7 @@ func TestUI_SystemPageShowsDatabaseBackupAction(t *testing.T) {
 
 	html := renderPage(t, ui, "/ui/system")
 	for _, want := range []string{
-		"数据备份 / 恢复",
+		"数据备份",
 		"恢复数据库",
 		`class="btn ghost js-export-db"`,
 		`data-export-url="/ui/system/db-backup"`,