fix: move page ai launcher to pi lab

rust/crates/mnote-web/browser/sidebar-page-ai-pi-lab-runtime.js

@@ -4624,15 +4624,29 @@
 
   function installLauncher() {
     if (piLabLauncherEl) return;
-    piLabLauncherEl = el('button', {
-      type: 'button',
-      className: 'wolai-page-ai-pi-lab-launcher',
-      'data-page-ai-pi-lab-launcher': 'true',
-      title: 'Pi Lab',
-      'aria-label': '打开 Pi Lab',
-    }, 'π');
-    piLabLauncherEl.addEventListener('click', showPiLab);
-    document.body.appendChild(piLabLauncherEl);
+    var hostButton = document.querySelector('[data-mnote-action="open-page-ai-pi-lab"], [data-testid="wolai-floating-ai"]');
+    if (hostButton instanceof HTMLElement) {
+      piLabLauncherEl = hostButton;
+      piLabLauncherEl.setAttribute('data-page-ai-pi-lab-launcher', 'true');
+      piLabLauncherEl.setAttribute('data-mnote-action', 'open-page-ai-pi-lab');
+      piLabLauncherEl.setAttribute('aria-label', '打开 Pi Lab');
+      piLabLauncherEl.setAttribute('title', '打开 Pi Lab');
+      piLabLauncherEl.textContent = 'π';
+    } else {
+      piLabLauncherEl = el('button', {
+        type: 'button',
+        className: 'wolai-page-ai-pi-lab-launcher',
+        'data-page-ai-pi-lab-launcher': 'true',
+        title: 'Pi Lab',
+        'aria-label': '打开 Pi Lab',
+      }, 'π');
+      document.body.appendChild(piLabLauncherEl);
+    }
+    piLabLauncherEl.addEventListener('click', function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+      showPiLab();
+    });
   }
 
   function wireEvents() {

rust/crates/mnote-web/browser/sidebar-page-ai-runtime.js

@@ -880,9 +880,9 @@ export function createSidebarPageAiRuntime(context) {
 
   function pageAiOpencodeHostEnabled() {
     try {
-      return window.localStorage ? window.localStorage.getItem('mnote.page_ai.opencode_host') !== '0' : true;
+      return window.localStorage ? window.localStorage.getItem('mnote.page_ai.opencode_host') === '1' : false;
     } catch (_error) {
-      return true;
+      return false;
     }
   }
 

rust/crates/mnote-web/browser/sidebar-tree-runtime.js

@@ -3191,6 +3191,16 @@ import { createSidebarPageSettingsRuntime } from './sidebar-page-settings-runtim
       return;
     }
 
+    var pageAiPiLabTrigger = closestAction(e.target, '[data-mnote-action="open-page-ai-pi-lab"]');
+    if (pageAiPiLabTrigger) {
+      e.preventDefault();
+      if (window.createSidebarPageAiPiLabRuntime) {
+        window.createSidebarPageAiPiLabRuntime({});
+      }
+      window.postMessage({ source: 'mnote-sidebar', type: 'mnote:pi-lab-show' }, window.location.origin);
+      return;
+    }
+
     var navigationPageTrigger = closestAction(e.target, '[data-mnote-action="open-navigation-page"]');
     if (navigationPageTrigger) {
       e.preventDefault();