fix: batch priorités — thème, scroll, wizard, agents, slides, charts, packs

Anti-flash dark (color-scheme + applyDocumentTheme), scroll pages publiques,
prompts wizard/slides moins génériques, cron agents rattrapage nextRun null,
slides carnet via notebookId, graphiques à 2 crédits + hint, audit dashboard,
packs Stripe marqués non configurés sans price ID.

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

@@ -64,7 +64,7 @@ export function ChartSuggestionsDialog({
           console.error('[ChartSuggestionsDialog] Error:', err)
           setResponse({
             suggestions: [],
-            analyzedText: textToAnalyze?.substring(0, 100) || '',
+            analyzedText: (selection || content || '').substring(0, 100),
             detectedData: 'Error occurred',
             hasData: false,
             error: err.message || 'Network error - check console',
@@ -124,7 +124,7 @@ export function ChartSuggestionsDialog({
           <div className="flex items-center gap-3">
             <BarChart3 className="w-5 h-5 text-blue-500" />
             <div>
-              <h2 className="text-lg font-semibold">Chart Suggestions</h2>
+              <h2 className="text-lg font-semibold">{t('chart.suggestionsTitle') || 'Suggestions de graphiques'}</h2>
               <p className="text-sm text-muted-foreground">
                 {loading ? (
                   <span className="flex items-center gap-2">
@@ -137,6 +137,9 @@ export function ChartSuggestionsDialog({
                   t('chart.noDataDetected')
                 )}
               </p>
+              <p className="text-[10px] text-muted-foreground mt-0.5">
+                {t('chart.creditCostHint') || 'Coût estimé : 2 crédits IA'}
+              </p>
             </div>
           </div>
           <button