feat: architectural grid editor fullPage + slash commands + doc info panel + AI title

memento-note/components/ai-chat-layout-bridge.tsx

@@ -0,0 +1,12 @@
+'use client'
+
+import { AIChat } from '@/components/ai-chat'
+
+/**
+ * Always render AIChat — on desktop the floating trigger button is shown
+ * unless a note editor already has the contextual panel open.
+ * The sidebar dispatches 'toggle-ai-chat' event to open it programmatically.
+ */
+export function AIChatLayoutBridge() {
+  return <AIChat showFloatingTrigger={true} />
+}