feat(ui): 配置面板补 verifyCmd / 项目级 model 输入项

在 #configPanel 新增一行 form-row，包含「校验命令」(cfgVerifyCmd) 和
「项目 Model」(cfgModel) 两个文本输入；打开面板时从 project 读取当前值，
保存时通过 PATCH /api/projects/:id 写入（空白 → null 清空）。

任务 ID：tsk_kmdMuWSn0HUS

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/app.js

@@ -1216,6 +1216,8 @@ document.addEventListener('click', (ev) => {
         if (p) {
           $('#cfgConcurrency').value = p.concurrency ?? 1;
           $('#cfgAutonomy').value = AUTONOMY_LABEL[p.autonomy] ? p.autonomy : 'manual';
+          $('#cfgVerifyCmd').value = p.verifyCmd ?? '';
+          $('#cfgModel').value = p.model ?? '';
         }
       }
       break;
@@ -1225,9 +1227,11 @@ document.addEventListener('click', (ev) => {
       const cc = Number($('#cfgConcurrency').value);
       if (!Number.isInteger(cc) || cc < 1) { toast('最大并发必须是 ≥1 的整数'); break; }
       const autonomy = $('#cfgAutonomy').value;
+      const verifyCmd = $('#cfgVerifyCmd').value.trim() || null;
+      const model = $('#cfgModel').value.trim() || null;
       act(async () => {
         await api(`/api/projects/${S.currentProjectId}`, {
-          method: 'PATCH', body: JSON.stringify({ concurrency: cc, autonomy }),
+          method: 'PATCH', body: JSON.stringify({ concurrency: cc, autonomy, verifyCmd, model }),
         });
         await loadProjects();   // 刷新当前值显示
         $('#configPanel').hidden = true;   // 保存成功自动收起

web/index.html

@@ -77,6 +77,14 @@
         <button class="btn btn-solid" data-action="save-config">保存配置</button>
         <button class="btn" data-action="toggle-config">收起</button>
       </div>
+      <div class="form-row">
+        <label class="grow">校验命令
+          <input id="cfgVerifyCmd" type="text" placeholder="npm test · go test ./... （可空）" autocomplete="off">
+        </label>
+        <label class="grow">项目 Model
+          <input id="cfgModel" type="text" placeholder="claude-opus-4-5（可空，留空用全局默认）" autocomplete="off">
+        </label>
+      </div>
       <div class="form-row cfg-sync-row">
         <span id="syncMeta" class="sync-meta"></span>
         <button id="btnSync" class="btn btn-xs" data-action="sync-todo">⟳ 同步 todo</button>