feat(notes): liens internes, onglet Réseau, living blocks et consentement IA

Rend les liens entre notes visibles et persistants (sync NoteLink au save, auto-save, graphe réseau rafraîchi), ajoute living blocks, Memory Echo, recherche globale, consentement IA explicite et consolide les prototypes design en architectural-grid.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/hooks/use-auto-label-suggestion.ts

@@ -1,6 +1,7 @@
 import { useState, useEffect } from 'react'
 import { useSearchParams } from 'next/navigation'
 import { useSession } from 'next-auth/react'
+import { useAiConsent } from '@/components/legal/ai-consent-provider'
 
 /**
  * Hook to check if auto label suggestions should be shown for the current notebook
@@ -8,6 +9,7 @@ import { useSession } from 'next-auth/react'
  */
 export function useAutoLabelSuggestion() {
   const { data: session } = useSession()
+  const { hasAiConsent } = useAiConsent()
   const searchParams = useSearchParams()
   const [shouldSuggest, setShouldSuggest] = useState(false)
   const [notebookId, setNotebookId] = useState<string | null>(searchParams.get('notebook'))
@@ -23,11 +25,11 @@ export function useAutoLabelSuggestion() {
       setShouldSuggest(false)
 
       // Check if we should suggest labels for this notebook
-      if (currentNotebookId && session?.user?.id) {
+      if (currentNotebookId && session?.user?.id && hasAiConsent) {
         checkNotebookForSuggestions(currentNotebookId)
       }
     }
-  }, [searchParams, notebookId, session])
+  }, [searchParams, notebookId, session, hasAiConsent])
 
   const checkNotebookForSuggestions = async (nbId: string) => {
     try {

memento-note/hooks/use-auto-tagging.ts

@@ -1,4 +1,5 @@
 import { useLanguage } from '@/lib/i18n'
+import { useAiConsent } from '@/components/legal/ai-consent-provider'
 import { useState, useEffect, useRef, useCallback } from 'react';
 import { useDebounce } from './use-debounce';
 import { TagSuggestion } from '@/lib/ai/types';
@@ -11,6 +12,7 @@ interface UseAutoTaggingProps {
 
 export function useAutoTagging({ content, notebookId, enabled = true }: UseAutoTaggingProps) {
   const { language } = useLanguage();
+  const { hasAiConsent, requestAiConsent } = useAiConsent();
   const [suggestions, setSuggestions] = useState<TagSuggestion[]>([]);
   const [isAnalyzing, setIsAnalyzing] = useState(false);
   const [error, setError] = useState<string | null>(null);
@@ -29,6 +31,14 @@ export function useAutoTagging({ content, notebookId, enabled = true }: UseAutoT
       return;
     }
 
+    if (!hasAiConsent) {
+      const consented = await requestAiConsent();
+      if (!consented) {
+        setSuggestions([]);
+        return;
+      }
+    }
+
     // Cancel previous request
     abortRef.current?.abort();
     const controller = new AbortController();
@@ -65,7 +75,7 @@ export function useAutoTagging({ content, notebookId, enabled = true }: UseAutoT
         setIsAnalyzing(false);
       }
     }
-  }, []);
+  }, [hasAiConsent, requestAiConsent]);
 
   // Trigger on content change
   useEffect(() => {

memento-note/hooks/use-title-suggestions.ts

@@ -1,5 +1,6 @@
 import { useState, useEffect, useRef } from 'react'
 import { useDebounce } from './use-debounce'
+import { useAiConsent } from '@/components/legal/ai-consent-provider'
 
 export interface TitleSuggestion {
   title: string
@@ -13,6 +14,7 @@ interface UseTitleSuggestionsProps {
 }
 
 export function useTitleSuggestions({ content, enabled = true }: UseTitleSuggestionsProps) {
+  const { requestAiConsent, hasAiConsent } = useAiConsent()
   const [suggestions, setSuggestions] = useState<TitleSuggestion[]>([])
   const [isAnalyzing, setIsAnalyzing] = useState(false)
   const [error, setError] = useState<string | null>(null)
@@ -41,6 +43,14 @@ export function useTitleSuggestions({ content, enabled = true }: UseTitleSuggest
     abortRef.current = controller
 
     const generateTitles = async () => {
+      if (!hasAiConsent) {
+        const consented = await requestAiConsent()
+        if (!consented) {
+          setSuggestions([])
+          return
+        }
+      }
+
       setIsAnalyzing(true)
       setError(null)
 
@@ -73,7 +83,7 @@ export function useTitleSuggestions({ content, enabled = true }: UseTitleSuggest
     }
 
     generateTitles()
-  }, [debouncedContent, enabled])
+  }, [debouncedContent, enabled, hasAiConsent, requestAiConsent])
 
   // Cleanup on unmount
   useEffect(() => {