refactor(desktop): 观测收敛进「运行」页（tab 切换），删全局底部抽屉

底部抽屉与新版运行页重复，且默认展开常驻占 ~176px、引用/评测还是空壳。按高内聚收敛：

- 运行·观测 详情区改 tab 切换：执行轨迹 / 模型输出 / 工具调用 / 评测（去掉没接的「引用」空标签）；
  OutputView(含 chart 渲染) + ToolCalls 从抽屉并入运行页；评测标签接 taskEval 全量展示。
- 删除全局 BottomDrawer，释放底部空间。
- HITL 审批条抽成独立 shell/ApprovalBar，全局常驻于 TopBar 下（审批中断必须随处可见可操作）。
- 发起运行自动跳「运行」页 + 新运行自动切回「当前运行」，实时观测不丢。

tsc+vite 构建通过；wails HMR 热加载生效。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

sundynix-desktop/frontend/src/shell/ApprovalBar.tsx

@@ -0,0 +1,63 @@
+import { useState } from "react";
+import { ShieldCheck, Check, X } from "lucide-react";
+import { pendingApproval, type RunState } from "../lib/run";
+import { approveTask } from "../lib/api";
+import { Badge } from "../ui";
+
+// ApprovalBar：HITL 人工审批中断条 —— 全局常驻（任务停在审批节点时，不管在哪个页面都要能看见+操作）。
+// 触发以「后端状态 waiting」为准（落 PG，可靠）；exec 的 await 事件仅用于丰富摘要（可能抢跑丢失）。
+// 决定经 approveTask 发回；dispatcher 续跑后状态轮询/SSE 更新，本条随 waiting 解除自动消失。
+export function ApprovalBar({ run }: { run: RunState }) {
+  const approval =
+    run.taskId && run.lifecycle === "waiting"
+      ? pendingApproval(run.exec) ?? { node: "", title: run.detail || "人工审批", summary: "" }
+      : null;
+  if (!approval || !run.taskId) return null;
+  return <Bar taskId={run.taskId} node={approval.node} title={approval.title} summary={approval.summary} />;
+}
+
+function Bar({ taskId, node, title, summary }: { taskId: string; node: string; title: string; summary: string }) {
+  const [note, setNote] = useState("");
+  const [busy, setBusy] = useState<"approve" | "reject" | null>(null);
+  const [err, setErr] = useState("");
+
+  const decide = async (approved: boolean) => {
+    setBusy(approved ? "approve" : "reject");
+    setErr("");
+    try {
+      await approveTask(taskId, approved, { node, note });
+    } catch (e) {
+      setErr((e as Error).message);
+      setBusy(null);
+    }
+  };
+
+  return (
+    <div className="flex shrink-0 flex-col gap-2 border-b border-amber-500/30 bg-amber-500/10 px-4 py-2">
+      <div className="flex items-center gap-2 text-[12px] text-amber-200">
+        <ShieldCheck className="h-4 w-4 text-amber-400" strokeWidth={2.2} />
+        <span className="font-semibold">人工审批</span>
+        <span className="text-amber-300/80">{title}</span>
+        <Badge tone="warn">等待决定</Badge>
+      </div>
+      {summary && <pre className="max-h-20 overflow-auto whitespace-pre-wrap font-mono text-[11px] leading-relaxed text-amber-100/80">{summary}</pre>}
+      <div className="flex items-center gap-2">
+        <input
+          value={note}
+          onChange={(e) => setNote(e.target.value)}
+          placeholder="备注（可选，拒绝原因等）"
+          className="min-w-0 flex-1 rounded border border-line bg-ink-950/60 px-2 py-1 text-[11px] text-slate-200 placeholder:text-slate-600 focus:border-amber-500/50 focus:outline-none"
+        />
+        <button onClick={() => decide(true)} disabled={busy !== null}
+          className="flex items-center gap-1 rounded bg-success/20 px-2.5 py-1 text-[11px] font-medium text-success hover:bg-success/30 disabled:opacity-50">
+          <Check className="h-3.5 w-3.5" /> {busy === "approve" ? "提交中…" : "批准"}
+        </button>
+        <button onClick={() => decide(false)} disabled={busy !== null}
+          className="flex items-center gap-1 rounded bg-danger/20 px-2.5 py-1 text-[11px] font-medium text-danger hover:bg-danger/30 disabled:opacity-50">
+          <X className="h-3.5 w-3.5" /> {busy === "reject" ? "提交中…" : "拒绝"}
+        </button>
+      </div>
+      {err && <p className="text-[11px] text-danger">提交失败：{err}</p>}
+    </div>
+  );
+}