feat: 新增日志中心、功能优化与代码重构

- 新增 log_datasource.go / log_proxy.go / user_api_token.go 后端控制器
- 新增 log_datasource.go model
- 新增 monitor/log-center.ts API 模块
- 新增 LogCenter 前端组件及页面
- 重构 deployment 相关组件 (HPDA/UpdateImageModal/bundle-yaml 等)
- 新增 ResetPasswordDialog / code-snippet-block / copy-button 等 UI 组件
- 重构多个 k8s 相关组件 (TopologyView/ResourceVisualEditor/PodFileBrowser 等)
- 更新多个 API 和工具函数 (auth.ts/monitor/index.ts/request.ts 等)
- 更新静态资源 (index.html + 新 JS/CSS bundle)
- 删除废弃静态资源文件

frontend/src/components/server/ServerForm.tsx

@@ -25,6 +25,7 @@ import {
   SelectValue,
 } from '@/components/ui/select';
 import { Server, ChevronDown, Loader2, Save, Key, Shield } from 'lucide-react';
+import { useNavigate } from 'react-router-dom';
 import { credentialApi } from '@/api';
 
 // 表单数据结构
@@ -96,8 +97,15 @@ export function ServerForm({
   onSave,
   formSaving,
 }: ServerFormProps) {
+  const navigate = useNavigate();
   const [credentials, setCredentials] = useState<Credential[]>([]);
 
+  // 只显示 SSH 相关的凭证（ssh key / ssh password）
+  const sshCredentials = credentials.filter((cred: any) => {
+    const at = (cred.auth_type || cred.type || cred.secret_type || '').toLowerCase();
+    return at === 'key' || at === 'password' || at === 'ssh_key' || at === 'ssh_password' || at.includes('ssh');
+  });
+
   // 加载凭证列表
   useEffect(() => {
     if (open) {
@@ -110,11 +118,10 @@ export function ServerForm({
     }
   }, [open]);
 
-  // 选择凭证时自动填充
+  // 选择凭证时自动填充（登录用户和认证方式由凭证提供，不再手动）
   const handleCredentialSelect = (credId: string) => {
     const id = Number(credId);
     if (!id) {
-      // 手动输入模式
       setFormData({ ...formData, credential_id: null });
       return;
     }
@@ -125,7 +132,7 @@ export function ServerForm({
         credential_id: id,
         username: cred.username || 'root',
         auth_type: cred.auth_type || 'password',
-        password: '', // 已关联凭证，不需要重复输入
+        password: '', // 已关联凭证
         ssh_key: '',
       });
     }
@@ -194,7 +201,7 @@ export function ServerForm({
             </div>
           </div>
 
-          {/* 凭证选择 — 下拉关联已有凭证 */}
+          {/* SSH 凭证关联 — 只允许 SSH 密钥 / SSH 密码 类型 */}
           <div className="space-y-1.5">
             <Label className="text-[var(--dg-text-secondary)] flex items-center gap-1.5">
               <Key className="h-3.5 w-3.5" /> SSH 凭证
@@ -205,71 +212,40 @@ export function ServerForm({
               onValueChange={handleCredentialSelect}
             >
               <SelectTrigger className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-[var(--dg-text-primary)]">
-                <SelectValue placeholder="选择已有凭证..." />
+                <SelectValue placeholder="选择 SSH 凭证..." />
               </SelectTrigger>
               <SelectContent className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]">
-                <SelectItem value="__manual">手动输入（不关联凭证）</SelectItem>
-                {credentials.map((cred) => (
+                {sshCredentials.map((cred) => (
                   <SelectItem key={cred.id} value={String(cred.id)}>
                     <span className="flex items-center gap-2">
                       <Shield className="h-3 w-3 text-blue-400" />
-                      {cred.name} ({cred.username}@{cred.auth_type === 'key' ? '密钥' : '密码'})
+                      {cred.name} ({cred.username}@{ (cred.auth_type || '').toLowerCase() === 'key' ? '密钥' : '密码'})
                     </span>
                   </SelectItem>
                 ))}
               </SelectContent>
             </Select>
+
+            {sshCredentials.length === 0 && (
+              <p className="text-xs text-[var(--dg-text-muted)]">
+                暂无可用的 SSH 凭证（仅支持 SSH 密钥 和 SSH 密码 类型）。
+                <span
+                  className="text-[var(--dg-blue)] hover:underline cursor-pointer ml-1"
+                  onClick={() => {
+                    onOpenChange(false);
+                    navigate('/credentials');
+                  }}
+                >
+                  去系统管理 - 凭证配置创建
+                </span>
+              </p>
+            )}
+
             {formData.credential_id && (
-              <p className="text-[10px] text-green-400/70">已关联凭证，登录信息从凭证自动获取</p>
+              <p className="text-[10px] text-green-400/70">已关联凭证，登录信息从凭证自动获取（登录用户和认证方式由凭证决定）</p>
             )}
           </div>
 
-          {/* 手动输入模式 — 仅当未选凭证时显示 */}
-          {!formData.credential_id && (
-            <>
-              <div className="grid grid-cols-2 gap-4">
-                <div className="space-y-1.5">
-                  <Label className="text-[var(--dg-text-secondary)]">登录用户</Label>
-                  <Input
-                    placeholder="root"
-                    value={formData.username}
-                    onChange={(e) => setFormData({ ...formData, username: e.target.value })}
-                    className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-[var(--dg-text-primary)] placeholder:text-[var(--dg-text-muted)]"
-                  />
-                </div>
-                <div className="space-y-1.5">
-                  <Label className="text-[var(--dg-text-secondary)]">认证方式</Label>
-                  <Select
-                    value={formData.auth_type}
-                    onValueChange={(v) => setFormData({ ...formData, auth_type: v })}
-                  >
-                    <SelectTrigger className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-[var(--dg-text-primary)]">
-                      <SelectValue />
-                    </SelectTrigger>
-                    <SelectContent className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)]">
-                      <SelectItem value="password">密码认证</SelectItem>
-                      <SelectItem value="key">密钥认证</SelectItem>
-                    </SelectContent>
-                  </Select>
-                </div>
-              </div>
-
-              <div className="space-y-1.5">
-                <Label className="text-[var(--dg-text-secondary)]">
-                  {formData.auth_type === 'key' ? 'SSH 私钥' : '登录密码'}
-                  {!editingId && <span className="text-red-400 ml-1">*</span>}
-                  {editingId && <span className="text-[var(--dg-text-muted)] ml-1 text-xs">(留空则不修改)</span>}
-                </Label>
-                <Textarea
-                  placeholder={formData.auth_type === 'key' ? '粘贴 SSH 私钥内容...' : '输入登录密码...'}
-                  value={formData.password}
-                  onChange={(e) => setFormData({ ...formData, password: e.target.value })}
-                  className="bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-[var(--dg-text-primary)] placeholder:text-[var(--dg-text-muted)] min-h-[50px] font-mono text-sm"
-                />
-              </div>
-            </>
-          )}
-
           {/* 更多详情 */}
           <Collapsible open={detailsOpen} onOpenChange={setDetailsOpen}>
             <CollapsibleTrigger asChild>