fix: note en double au retour et barre Gras/Italique à l’ouverture

Ne plus réinjecter une note déjà dans la liste, et n’afficher le menu de formatage que sur une vraie sélection de texte.

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

memento-note/components/rich-text-editor.tsx

@@ -61,8 +61,7 @@ import { applyClipRtlDirection } from '@/lib/editor/apply-clip-rtl-direction'
 import { NOTE_REQUEST_SAVE_EVENT } from '@/lib/note-change-sync'
 import { openNotePeek } from '@/lib/note-peek-sync'
 import { useAiConsent } from '@/components/legal/ai-consent-provider'
-import type { Editor } from '@tiptap/core'
-import type { EditorState } from '@tiptap/pm/state'
+import { isTextSelection, type Editor } from '@tiptap/core'
 import {
   Bold, Italic, Underline as UnderlineIcon, Strikethrough, Code,
   Heading1, Heading2, Heading3, List, ListOrdered, CheckSquare,
@@ -75,7 +74,7 @@ import {
 } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { toast } from 'sonner'
-import { NodeSelection } from '@tiptap/pm/state'
+import { AllSelection, NodeSelection } from '@tiptap/pm/state'
 
 export interface RichTextEditorHandle {
   getEditor: () => Editor | null
@@ -1403,17 +1402,25 @@ export const RichTextEditor = forwardRef<RichTextEditorHandle, RichTextEditorPro
           <BubbleMenu
             editor={editor}
             className="notion-bubble-menu"
-            {...({
-              tippyOptions: {
-                appendTo: () => document.body,
-                zIndex: 99999,
-                fallbackPlacements: ['bottom', 'top']
+            appendTo={() => document.body}
+            shouldShow={({ editor: e, state, from, to, view, element }) => {
+              if (!e.isEditable || e.isActive('codeBlock')) return false
+
+              const { selection } = state
+              if (selection instanceof AllSelection) return false
+              if (selection instanceof NodeSelection) {
+                return selection.node.type.name === 'image'
               }
-            } as any)}
-            shouldShow={({ editor: e, state }: { editor: Editor; state: EditorState }) => {
-              const { from, to } = state.selection
-              const isImage = e.isActive('image')
-              return (from !== to && !e.isActive('codeBlock')) || isImage
+              if (!isTextSelection(selection) || selection.empty) return false
+
+              const selectedText = state.doc.textBetween(from, to)
+              if (!selectedText.length) return false
+
+              // setContent à l’ouverture sélectionne parfois tout le document
+              const docSize = state.doc.content.size
+              if (docSize > 4 && from <= 1 && to >= docSize - 1) return false
+
+              return view.hasFocus() || element.contains(document.activeElement)
             }}
           >
             <BubbleToolbar editor={editor} onSuggestCharts={handleOpenChartSuggestions} />