arcrun — AI workflow execution engine (clean history)

Self-hosted 開源：WASM 零件 + recipe + cypher-executor，跑在你自己的 Cloudflare。此為重建的乾淨歷史起點（移除曾誤 commit 的 GCP SA 金鑰，舊歷史保留在 richblack/arcrun 與本地 backup 分支）。含： - acr init --self-hosted installer（建 KV/R2 + codeload 拉預編譯 wasm + wrangler deploy + seed recipe） - recipe push 把關（資料外流提醒 + 打通檢查） - 19 個正當零件預編譯 wasm（claude_api/km_writer/kbdb_upsert_block 排除：違反 DECISIONS §1） - CLI / cypher-executor / registry / 完整 SDD Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-03 15:52:38 +08:00
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+// App root — screen switcher with persistent route
+const { useState, useEffect } = React;
+
+const SCREENS = [
+  { id: 'landing', label: 'Landing' },
+  { id: 'auth', label: 'Auth' },
+  { id: 'dashboard', label: 'Dashboard' },
+  { id: 'keys', label: 'API Keys' },
+  { id: 'workflow', label: 'Workflow' },
+];
+
+// Synonyms from sidebar ids
+const aliases = { apps: 'dashboard', workflows: 'dashboard', docs: 'landing', settings: 'keys' };
+
+function App() {
+  const [screen, setScreen] = useState(() => {
+    const saved = localStorage.getItem('arcrun:screen');
+    return saved && SCREENS.some(s => s.id === saved) ? saved : 'landing';
+  });
+
+  useEffect(() => {
+    localStorage.setItem('arcrun:screen', screen);
+    window.scrollTo(0, 0);
+  }, [screen]);
+
+  const nav = (id) => {
+    const resolved = aliases[id] || id;
+    if (SCREENS.some(s => s.id === resolved)) setScreen(resolved);
+  };
+
+  const Current = {
+    landing: Landing,
+    auth: Auth,
+    dashboard: Dashboard,
+    keys: ApiKeys,
+    workflow: WorkflowViewer,
+  }[screen];
+
+  return (
+    <div className="app">
+      <Current onNav={nav} />
+
+      <div className="proto-switch" role="tablist" aria-label="Screen switcher">
+        {SCREENS.map(s => (
+          <button key={s.id}
+                  className={screen === s.id ? 'active' : ''}
+                  onClick={() => nav(s.id)}>
+            {s.label}
+          </button>
+        ))}
+      </div>
+    </div>
+  );
+}
+
+ReactDOM.createRoot(document.getElementById('root')).render(<App />);