chore: D22 落地——docs/SDD/wiki/CLAUDE.md 進 repo（Gitea private 預設全 push）

頂層 D22 決策（leo 2026-07-03 拍板）：推什麼由開發環境歸屬決定， Gitea private＝除機敏值/build 產物/.github 外全 push。解 T1.5 卡點：雲端工人 clone 拿得到 credential-store-migration.md，可就地改寫 SDD。機敏掃描兩輪通過（新增 189 檔約 2.1MB，node_modules/dist/wasm 照舊排除）。 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-03 07:13:15 +08:00
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+'use client';
+
+// Mira 右側常駐對話 dock（桌機，所有頁簽都在；手機隱藏改走 /mira/chat 單頁）
+// 可收合，狀態存 localStorage。SDD: design.md §3.6.5 對話內建化
+
+import { useEffect, useState } from 'react';
+import MiraChat from './MiraChat';
+
+const LS_KEY = 'mira-chat-dock-open';
+
+export default function MiraChatDock() {
+  const [open, setOpen] = useState(false);
+  const [mounted, setMounted] = useState(false);
+
+  useEffect(() => {
+    setMounted(true);
+    setOpen(localStorage.getItem(LS_KEY) === '1');
+  }, []);
+
+  const toggle = () => {
+    setOpen(o => {
+      const next = !o;
+      localStorage.setItem(LS_KEY, next ? '1' : '0');
+      return next;
+    });
+  };
+
+  // SSR/首渲不輸出，避免 hydration 閃爍
+  if (!mounted) return null;
+
+  return (
+    <div className={`mira-chat-dock${open ? ' is-open' : ''}`}>
+      {open ? (
+        <>
+          <header className="mira-chat-dock-head">
+            <span>💬 Mira 對話</span>
+            <button type="button" className="mira-chat-dock-close" onClick={toggle} aria-label="收合對話">✕</button>
+          </header>
+          <MiraChat compact />
+        </>
+      ) : (
+        <button type="button" className="mira-chat-dock-fab" onClick={toggle} title="開啟 Mira 對話">
+          💬
+        </button>
+      )}
+    </div>
+  );
+}