feat: improve AI Chat UX, add notebook summary, and fix shared/reminders routing

memento-note/app/(main)/layout.tsx

@@ -31,12 +31,12 @@ export default async function MainLayout({
   return (
     <ProvidersWrapper initialLanguage={initialLanguage} initialTranslations={initialTranslations}>
       {/* No top-bar header — sidebar-only navigation (architectural-grid design) */}
-      <div className="flex h-screen overflow-hidden bg-[#E5E2D9]">
+      <div className="flex h-screen overflow-hidden bg-memento-desk">
         <Suspense fallback={<div className="hidden w-80 shrink-0 md:block" />}>
           <Sidebar user={session?.user} />
         </Suspense>
 
-        <main className="flex min-h-0 flex-1 flex-col overflow-y-auto scroll-smooth bg-background">
+        <main className="flex min-h-0 flex-1 flex-col overflow-y-auto scroll-smooth bg-memento-paper">
           {children}
         </main>
 

memento-note/app/(main)/page.tsx

@@ -25,6 +25,7 @@ export default async function HomePage() {
         notesViewMode,
         noteHistory: settings?.noteHistory === true,
         noteHistoryMode: (settings?.noteHistoryMode ?? 'manual') as 'manual' | 'auto',
+        aiAssistantEnabled: settings?.paragraphRefactor !== false,
       }}
     />
   )

memento-note/app/(main)/reminders/page.tsx

@@ -1,9 +0,0 @@
-import { getNotesWithReminders } from '@/app/actions/notes'
-import { RemindersPage } from '@/components/reminders-page'
-
-export const dynamic = 'force-dynamic'
-
-export default async function RemindersRoute() {
-  const notes = await getNotesWithReminders()
-  return <RemindersPage notes={notes} />
-}

memento-note/app/(main)/settings/general/general-settings-client.tsx

@@ -29,9 +29,11 @@ export function GeneralSettingsClient({ initialSettings }: GeneralSettingsClient
     await updateAISettings({ preferredLanguage: value as any })
     if (value === 'auto') {
       localStorage.removeItem('user-language')
+      document.cookie = 'user-language=;path=/;max-age=0'
       toast.success(t('settings.languageAuto') || 'Language set to Auto')
     } else {
       localStorage.setItem('user-language', value)
+      document.cookie = `user-language=${value};path=/;max-age=${60 * 60 * 24 * 365};samesite=lax`
       setContextLanguage(value as any)
       toast.success(t('profile.languageUpdateSuccess') || 'Language updated')
     }

memento-note/app/api/chat/route.ts

@@ -273,22 +273,21 @@ Focus ONLY on this note unless asked otherwise.`
 
   const provider = getChatProvider(sysConfig)
   const result = await streamText({
-    model: provider.chatModel,
+    model: provider.getModel(),
     system: systemPrompt,
     messages: incomingMessages,
     tools: chatTools,
     maxSteps: 5,
     onFinish: async (final) => {
-      // Save messages to DB
       const userContent = incomingMessages[incomingMessages.length - 1].content
-      await prisma.message.create({
+      await prisma.chatMessage.create({
         data: { conversationId: conversation.id, role: 'user', content: userContent }
       })
-      await prisma.message.create({
+      await prisma.chatMessage.create({
         data: { conversationId: conversation.id, role: 'assistant', content: final.text }
       })
     }
   })
 
-  return result.toDataStreamResponse()
+  return result.toUIMessageStreamResponse()
 }

memento-note/app/globals.css

@@ -15,9 +15,11 @@
   /* Memento — Architectural Grid (réf. architectural-grid1) */
   --color-memento-desk: #E5E2D9;
   --color-memento-paper: #F2F0E9;
+  --color-memento-sidebar: #F6F4F0;
   --color-memento-ink: #1C1C1C;
   --color-primary: #ACB995;
   --color-memento-accent: #D4A373;
+  --color-memento-blue: #75B2D6;
   --color-memento-paper-elevated: #faf9f5;
   --color-background-light: var(--color-memento-paper);
   --color-background-dark: #202020;
@@ -342,8 +344,8 @@ html.dark .memento-active-nav {
 
 :root {
   --radius: 0.5rem;
-  --memento-desk: #F9F8F6;
-  --background: #F9F8F6;
+  --memento-desk: #E5E2D9;
+  --background: #F2F0E9;
   --foreground: #212529;
   --card: #ffffff;
   --card-foreground: #212529;
@@ -365,7 +367,7 @@ html.dark .memento-active-nav {
   --pinned-gold: #F59E0B;
   --sage-green: #10B981;
 
-  --sidebar: #ffffff;
+  --sidebar: #F6F4F0;
   --sidebar-foreground: #212529;
   --sidebar-primary: #212529;
   --sidebar-primary-foreground: #F9F8F6;
@@ -403,7 +405,7 @@ html.dark {
   --border: rgba(28, 28, 28, 0.1);
   --input: rgba(28, 28, 28, 0.12);
   --ring: rgba(28, 28, 28, 0.35);
-  --sidebar: color-mix(in oklab, #ffffff 65%, #F2F0E9);
+  --sidebar: #F6F4F0;
   --sidebar-foreground: #1C1C1C;
   --sidebar-primary: #1C1C1C;
   --sidebar-primary-foreground: #F2F0E9;

memento-note/app/layout.tsx

@@ -75,6 +75,10 @@ const directionScript = `
 (function(){
   try {
     var lang = localStorage.getItem('user-language');
+    if (!lang) {
+      var c = document.cookie.split(';').map(function(s){return s.trim()}).find(function(s){return s.startsWith('user-language=')});
+      if (c) lang = c.split('=')[1];
+    }
     if (lang === 'fa' || lang === 'ar') {
       document.documentElement.dir = 'rtl';
       document.documentElement.lang = lang;