feat: standardize UI theme, fix dark mode consistency, and implement editorial tags

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-memento-desk">
+      <div className="flex h-screen overflow-hidden bg-memento-desk dark:bg-background">
         <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-memento-paper">
+        <main className="flex min-h-0 flex-1 flex-col overflow-y-auto scroll-smooth bg-memento-paper dark:bg-background">
           {children}
         </main>
 

memento-note/app/actions/notes.ts

@@ -932,6 +932,11 @@ export async function updateNote(id: string, data: {
       }
     }
 
+    if (data.labels !== undefined) {
+      const refreshed = await prisma.note.findUnique({ where: { id } })
+      if (refreshed) return parseNote(refreshed)
+    }
+
     return parseNote(note)
   } catch (error) {
     console.error('Error updating note:', error)

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

@@ -263,13 +263,21 @@ Content: ${noteContext.content || '(empty)'}
 Focus ONLY on this note unless asked otherwise.`
   }
 
-  const systemPrompt = `${prompts.system}\n${copilotContext}\n\n${contextBlock}\n\n## LANGUAGE RULE (MANDATORY)\nYou MUST respond in ${lang === 'en' ? 'English' : lang === 'fr' ? 'French' : lang === 'fa' ? 'Persian (Farsi)' : lang === 'es' ? 'Spanish' : 'English'}.`
+  // Notebook scope directive — tells the AI to stay within the selected notebook
+  let notebookScopeDirective = ''
+  if (notebookId) {
+    const scopedNotebook = await prisma.notebook.findUnique({ where: { id: notebookId }, select: { name: true } }).catch(() => null)
+    const notebookName = scopedNotebook?.name || notebookId
+    notebookScopeDirective = `\n\n## NOTEBOOK SCOPE\nThe user has scoped this conversation to the notebook "${notebookName}". When using the note_search tool, ALWAYS pass notebookId="${notebookId}" to restrict results to this notebook. Only reference notes from this notebook unless the user explicitly asks otherwise.`
+  }
+
+  const systemPrompt = `${prompts.system}\n${copilotContext}${notebookScopeDirective}\n\n${contextBlock}\n\n## LANGUAGE RULE (MANDATORY)\nYou MUST respond in ${lang === 'en' ? 'English' : lang === 'fr' ? 'French' : lang === 'fa' ? 'Persian (Farsi)' : lang === 'es' ? 'Spanish' : 'English'}.`
 
   // 6. Execute stream
   const sysConfig = await getSystemConfig()
   const chatTools = noteContext
     ? toolRegistry.buildToolsForChat({ userId, config: sysConfig, webSearch, webOnly: true })
-    : toolRegistry.buildToolsForChat({ userId, config: sysConfig, webSearch })
+    : toolRegistry.buildToolsForChat({ userId, config: sysConfig, webSearch, notebookId: notebookId || undefined })
 
   const provider = getChatProvider(sysConfig)
   const result = await streamText({

memento-note/app/globals.css

@@ -25,10 +25,10 @@
   --color-background-dark: #202020;
 
   /* Design tokens from architectural-grid 10 */
-  --color-ink: #1C1C1C;
-  --color-paper: #F2F0E9;
-  --color-muted-ink: rgba(28, 28, 28, 0.6);
-  --color-concrete: #8D8D8D;
+  --color-ink: var(--ink);
+  --color-paper: var(--paper);
+  --color-muted-ink: var(--muted-ink);
+  --color-concrete: var(--concrete);
   --color-blueprint: #75B2D6;
   --color-ochre: #D4A373;
   --color-sage: #A3B18A;
@@ -183,6 +183,7 @@ html:not(.dark) .memento-active-nav {
   --ink: var(--foreground);
   --paper: var(--background);
   --muted-ink: var(--muted-foreground);
+  --concrete: #8D8D8D;
   --ai-accent: #ACB995;
 }
 
@@ -424,6 +425,8 @@ html.dark {
   --sidebar-accent-foreground: #1C1C1C;
   --sidebar-border: rgba(28, 28, 28, 0.1);
   --sidebar-ring: rgba(28, 28, 28, 0.35);
+  --thumb-lightness-1: 94%;
+  --thumb-lightness-2: 87%;
 }
 
 [data-theme='light'].dark {
@@ -487,6 +490,9 @@ html.dark {
   --sidebar-accent-foreground: #ffffff;
   --sidebar-border: #3d3d3d;
   --sidebar-ring: #a8a29e;
+  --thumb-lightness-1: 15%;
+  --thumb-lightness-2: 10%;
+  --concrete: #A0A0A0;
 }
 
 [data-theme='midnight'] {