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

memento-note/components/settings/billing-plans.tsx

@@ -576,8 +576,10 @@ export function BillingPlans() {
                 >
                   {packLoading === pack.id ? (
                     <Loader2 className="h-4 w-4 animate-spin mx-auto" />
-                  ) : (
+                  ) : pack.configured ? (
                     t('billing.buyPack')
+                  ) : (
+                    t('billing.packNotConfigured') || 'Config Stripe requise'
                   )}
                 </button>
               </div>

memento-note/components/theme-initializer.tsx

@@ -40,9 +40,21 @@ export function ThemeInitializer({ theme, fontSize, fontFamily, accentColor }: T
     const localTheme = localStorage.getItem('theme-preference')
     const effectiveTheme = normalizeThemeId(localTheme || theme || 'light')
 
-    // Persiste aussi le cookie pour les prochains rendus serveur (anti-flash navigation)
+    // Appliquer le thème AVANT paint (cookie + class dark atomique)
+    applyDocumentTheme(effectiveTheme)
     persistThemePreference(effectiveTheme)
 
+    // color-scheme navigateur (inputs, scrollbars) — évite flash chrome clair
+    try {
+      const dark =
+        effectiveTheme === 'dark' ||
+        effectiveTheme === 'midnight' ||
+        (effectiveTheme === 'auto' && window.matchMedia('(prefers-color-scheme: dark)').matches)
+      root.style.colorScheme = dark ? 'dark' : 'light'
+    } catch {
+      /* ignore */
+    }
+
     applyFontSize(fontSize)
 
     const localFontFamily = localStorage.getItem('font-family')