refactor(command-palette): wire openFile through PaletteOpsContext

src/components/app/AppContent.tsx

@@ -6,6 +6,7 @@ import Sidebar from '../sidebar/view/Sidebar';
 import MainContent from '../main-content/view/MainContent';
 import CommandPalette from '../command-palette/CommandPalette';
 import { useWebSocket } from '../../contexts/WebSocketContext';
+import { PaletteOpsProvider } from '../../contexts/PaletteOpsContext';
 import { useDeviceSettings } from '../../hooks/useDeviceSettings';
 import { useSessionProtection } from '../../hooks/useSessionProtection';
 import { useProjectsState } from '../../hooks/useProjectsState';
@@ -146,6 +147,7 @@ export default function AppContent() {
   }, []);
 
   return (
+    <PaletteOpsProvider>
     <div className="fixed inset-0 flex bg-background" style={{ bottom: 'var(--keyboard-height, 0px)' }}>
       {!isMobile ? (
         <div className="h-full flex-shrink-0 border-r border-border/50">
@@ -212,5 +214,6 @@ export default function AppContent() {
         onShowTab={setActiveTab}
       />
     </div>
+    </PaletteOpsProvider>
   );
 }

src/components/command-palette/CommandPalette.tsx

@@ -13,6 +13,7 @@ import {
   DialogTitle,
 } from '../../shared/view/ui';
 import { useTheme } from '../../contexts/ThemeContext';
+import { usePaletteOps } from '../../contexts/PaletteOpsContext';
 import type { AppTab, Project } from '../../types/app';
 
 import { GROUPS, parseMode } from './registry';
@@ -35,6 +36,7 @@ export default function CommandPalette({
   const [search, setSearch] = React.useState('');
   const { toggleDarkMode } = useTheme();
   const navigate = useNavigate();
+  const ops = usePaletteOps();
 
   React.useEffect(() => {
     const handleKeyDown = (e: KeyboardEvent) => {
@@ -60,8 +62,8 @@ export default function CommandPalette({
   }, []);
 
   const openFile = React.useCallback((path: string) => {
-    window.openFile?.(path);
-  }, []);
+    ops.openFile(path);
+  }, [ops]);
 
   const filter = React.useCallback(
     (value: string, rawSearch: string) => {

src/components/main-content/view/MainContent.tsx

@@ -7,6 +7,7 @@ import GitPanel from '../../git-panel/view/GitPanel';
 import PluginTabContent from '../../plugins/view/PluginTabContent';
 import type { MainContentProps } from '../types/types';
 import { useTaskMaster } from '../../../contexts/TaskMasterContext';
+import { usePaletteOpsRegister } from '../../../contexts/PaletteOpsContext';
 import { useTasksSettings } from '../../../contexts/TasksSettingsContext';
 import { useUiPreferences } from '../../../hooks/useUiPreferences';
 import { useEditorSidebar } from '../../code-editor/hooks/useEditorSidebar';
@@ -91,19 +92,12 @@ function MainContent({
     }
   }, [shouldShowTasksTab, activeTab, setActiveTab]);
 
-  // Expose file-open to non-descendant features (command palette).
-  useEffect(() => {
-    const open = (filePath: string) => {
+  usePaletteOpsRegister({
+    openFile: (filePath: string) => {
       setActiveTab('files');
       handleFileOpen(filePath);
-    };
-    window.openFile = open;
-    return () => {
-      if (window.openFile === open) {
-        delete window.openFile;
-      }
-    };
-  }, [handleFileOpen, setActiveTab]);
+    },
+  });
 
   if (isLoading) {
     return <MainContentStateView mode="loading" isMobile={isMobile} onMenuClick={onMenuClick} />;