feat: Admin 设用户等级并展示徽章于用户页

补齐 SetUserLevel 表单；用户主页/资料页展示徽章并触发 EvaluateAuto；勾选 §H Exp 与防刷。

Co-authored-by: Cursor <cursoragent@cursor.com>

templates/admin/users.tmpl

@@ -86,6 +86,16 @@
             <input name="note" maxlength="120" placeholder="备注（可选）" style="width:8rem"/>
             <button type="submit" class="j13-btn-secondary">调积分</button>
           </form>
+          <form method="post" action="/admin/users/{{.ID}}/level" class="j13-form j13-admin-level">
+            <input type="hidden" name="_csrf" value="{{$.CSRF}}"/>
+            {{$cur := .Level}}
+            <select name="level" aria-label="设定等级">
+              {{range $.LevelOptions}}
+              <option value="{{.}}"{{if eq . $cur}} selected{{end}}>Lv{{.}}</option>
+              {{end}}
+            </select>
+            <button type="submit" class="j13-btn-secondary">设等级</button>
+          </form>
         </td>
       </tr>
       {{end}}

templates/profile/view.tmpl

@@ -75,6 +75,13 @@
     <p>用户名 <strong>{{.Username}}</strong></p>
     <p class="j13-muted">邮箱 {{.Email}}</p>
     <p class="j13-muted">等级 Lv.{{.Level}} · 经验 {{.Exp}}</p>
+    {{if .Badges}}
+    <ul class="j13-user-badges">
+      {{range .Badges}}
+      <li class="j13-user-badge"{{if .Description}} title="{{.Description}}"{{end}}>{{.Name}}</li>
+      {{end}}
+    </ul>
+    {{end}}
     {{if .Avatar}}
     <p><img class="j13-avatar" src="{{.Avatar}}" alt="头像"/></p>
     {{end}}

templates/user/view.tmpl

@@ -11,6 +11,13 @@
     <div>
       <h1>{{if .Nickname}}{{.Nickname}}{{else}}{{.Username}}{{end}}</h1>
       <p class="j13-muted">@{{.Username}} · Lv.{{.Level}} · 积分 {{.Points}}</p>
+      {{if .Badges}}
+      <ul class="j13-user-badges">
+        {{range .Badges}}
+        <li class="j13-user-badge"{{if .Description}} title="{{.Description}}"{{end}}>{{.Name}}</li>
+        {{end}}
+      </ul>
+      {{end}}
       {{if .Signature}}<p class="j13-user-sig">{{.Signature}}</p>{{end}}
       {{if .IsSelf}}<p><a href="/profile">编辑资料</a></p>
       {{else if .LoggedIn}}<p><a href="/messages/with/{{.UserID}}">发私信</a></p>{{end}}