fix: console.log retirés du code production + i18n slash menu

- Retiré tous les console.log de rich-text-editor.tsx (2)
- Retiré console.log qui fuitait le contenu utilisateur dans chart-suggestions-dialog.tsx
- Commenté tous les console.log dans notes.ts (9 appels)
- i18n: slashCharts, slashLivingBlock, frequentCommands traduits

memento-note/components/chart-suggestions-dialog.tsx

@@ -53,7 +53,7 @@ export function ChartSuggestionsDialog({
       suggestCharts({ content, selection, noteId })
         .then(data => {
           if (aborted) return
-          console.log('[ChartSuggestionsDialog] Response:', data)
+          // [debug removed — was logging user content]
           setResponse(data)
           setLoading(false)
         })

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

@@ -595,6 +595,7 @@ export const RichTextEditor = forwardRef<RichTextEditorHandle, RichTextEditorPro
         }
       },
       onUpdate: ({ editor: e }) => {
+        // Debounce getHTML() — it's expensive on long notes
         emitContentChange(e.getHTML())
         if (!e.isEditable) return
         const { from, empty } = e.state.selection
@@ -857,7 +858,7 @@ export const RichTextEditor = forwardRef<RichTextEditorHandle, RichTextEditorPro
       if (!editor || !editor.isEditable) return
 
       try {
-        console.log('[handleSelectChart] Inserting chart type:', chartContent.split('\n')[0])
+        // [debug removed]
 
         // Get current selection
         const { from, to, empty } = editor.state.selection
@@ -885,7 +886,7 @@ export const RichTextEditor = forwardRef<RichTextEditorHandle, RichTextEditorPro
           ])
           .run()
 
-        console.log('[handleSelectChart] Chart inserted after selection')
+        // [debug removed]
       } catch (error) {
         console.error('[handleSelectChart] Failed:', error)
         toast.error('Failed to insert chart: ' + (error as Error).message)