feat: redesign agents page (architectural-grid style), add image description, fix AI limits, remove dead code

- Redesign agents page with architectural-grid (8) design system:
  rounded-2xl cards, serif headings, motion tabs, dashed templates section
- Replace agent form popup with full-page detail view (SettingsView style)
  with dark planning card, section tooltips, and help button
- Hide advanced mode for slide/excalidraw generators
- Add 'describe images' action to contextual AI assistant
- Add copy button to action/resource preview with HTTP fallback
- Add delete history button to agent run log panel
- Increase AI word limit from 2000 to 5000 (reformulate + transform-markdown)
- Increase max steps slider from 25 to 50
- Fix image description error with clear model compatibility message
- Fix doubled execution count display in agent detail view
- Remove dead files: notes-list-view.tsx, notes-view-toggle.tsx
- Remove 'list' view mode from NotesViewMode type
- Add missing i18n keys (back, configuration, options, copy, cleared)

memento-note/components/notes-editorial-view.tsx

@@ -6,8 +6,7 @@ import { getNoteFeedImage, getNotePlainExcerpt, getNoteDisplayTitle } from '@/li
 import { useLanguage } from '@/lib/i18n'
 import { useRefresh } from '@/lib/use-refresh'
 import { motion, AnimatePresence } from 'motion/react'
-import { ChevronRight, MoreHorizontal, Trash2, Archive, Pin, History, Pencil, Sparkles, Loader2, Bell, FolderOpen, StickyNote } from 'lucide-react'
-import { getNotebookIcon } from '@/lib/notebook-icon'
+import { ChevronRight, MoreHorizontal, Trash2, Archive, Pin, History, Pencil, Sparkles, Loader2, Bell, FolderOpen } from 'lucide-react'
 import { useSession } from 'next-auth/react'
 import { getAISettings } from '@/app/actions/ai-settings'
 import { generateNoteIllustrationSvg } from '@/app/actions/note-illustration'
@@ -147,18 +146,15 @@ function EditorialNoteMenu({ note, onOpen, onOpenHistory }: {
             </DropdownMenuSubTrigger>
             <DropdownMenuSubContent className="w-52">
               <DropdownMenuItem onClick={e => { e.stopPropagation(); handleMoveToNotebook(null) }}>
-                <StickyNote className="h-4 w-4 mr-2 text-foreground/50" />
+                <span className="w-4 h-4 rounded-full bg-foreground text-background flex items-center justify-center text-[9px] font-semibold mr-2 shrink-0">N</span>
                 {t('notebookSuggestion.generalNotes') || 'Notes générales'}
               </DropdownMenuItem>
-              {notebooks.map((nb: any) => {
-                const NotebookIcon = getNotebookIcon(nb.icon || 'folder')
-                return (
-                  <DropdownMenuItem key={nb.id} onClick={e => { e.stopPropagation(); handleMoveToNotebook(nb.id) }}>
-                    <NotebookIcon className="h-4 w-4 mr-2 text-foreground/50" />
-                    {nb.name}
-                  </DropdownMenuItem>
-                )
-              })}
+              {notebooks.map((nb: any) => (
+                <DropdownMenuItem key={nb.id} onClick={e => { e.stopPropagation(); handleMoveToNotebook(nb.id) }}>
+                  <span className="w-4 h-4 rounded-full bg-foreground text-background flex items-center justify-center text-[9px] font-semibold mr-2 shrink-0">{nb.name.charAt(0).toUpperCase()}</span>
+                  {nb.name}
+                </DropdownMenuItem>
+              ))}
             </DropdownMenuSubContent>
           </DropdownMenuSub>