feat: add slides generation tool with multiple slide types

- Add slides.tool.ts with support for title, bullets, chart, stats, table, cards, timeline, quote, comparison, equation, image, summary slide types
- Chart types: bar, horizontal-bar, line, donut, radar
- Integrate with agent executor and canvas system
- Add multilingual support (en/fr)
- Various UI improvements and bug fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

memento-note/app/api/agents/run-for-note/route.ts

@@ -10,9 +10,9 @@ const TYPE_DEFAULTS: Record<GenerateType, {
   maxSteps: number
 }> = {
   'slide-generator': {
-    role: 'Crée une présentation PowerPoint professionnelle et visuelle à partir du contenu de la note fournie.',
-    tools: ['note_search', 'note_read', 'generate_pptx'],
-    maxSteps: 8,
+    role: 'Génère une présentation professionnelle à partir du contenu de la note fournie. Appelle generate_slides avec un objet JSON structuré {title, theme, slides:[...]}.',
+    tools: ['note_search', 'note_read', 'generate_slides'],
+    maxSteps: 6,
   },
   'excalidraw-generator': {
     role: 'Génère un diagramme Excalidraw clair et professionnel à partir du contenu de la note fournie.',
@@ -30,12 +30,13 @@ export async function POST(req: NextRequest) {
   const userId = session.user.id
 
   const body = await req.json()
-  const { noteId, type, theme, style, language } = body as {
+  const { noteId, type, theme, style, language, template } = body as {
     noteId: string
     type: GenerateType
     theme?: string
     style?: string
     language?: string
+    template?: string
   }
 
   if (!noteId || !type || !TYPE_DEFAULTS[type]) {
@@ -56,10 +57,14 @@ export async function POST(req: NextRequest) {
   let role = defaults.role
   if (isEn) {
     if (type === 'slide-generator') {
-      role = 'Create a professional and visual PowerPoint presentation from the provided note content.'
+      const recipeHint = (theme && theme !== 'auto') ? ` Use theme:"${theme}".` : ''
+      role = `Generate a professional presentation from the provided note content.${recipeHint} Call generate_slides with structured JSON {title, theme, slides:[...]}.`
     } else {
       role = 'Generate a clear and professional Excalidraw diagram from the provided note content.'
     }
+  } else if (type === 'slide-generator') {
+    const recipeHint = (theme && theme !== 'auto') ? ` Utilise le thème "${theme}".` : ''
+    role = `Génère une présentation professionnelle à partir du contenu de la note fournie.${recipeHint} Appelle generate_slides avec le JSON structuré {title, theme, slides:[...]}.`
   }
 
   const agentName = type === 'slide-generator'
@@ -71,13 +76,14 @@ export async function POST(req: NextRequest) {
       name: agentName,
       type,
       role,
+      description: (type === 'slide-generator' && template && template !== 'auto') ? `template:${template}` : undefined,
       tools: JSON.stringify(defaults.tools),
       maxSteps: defaults.maxSteps,
       frequency: 'one-shot',
       isEnabled: true,
       sourceNoteIds: JSON.stringify([noteId]),
       targetNotebookId: note.notebookId ?? undefined,
-      slideTheme: theme ?? 'vibrant_tech',
+      slideTheme: theme ?? 'keynote',
       slideStyle: style ?? 'soft',
       userId,
     },
@@ -118,7 +124,7 @@ export async function GET(req: NextRequest) {
   const action = await prisma.agentAction.findFirst({
     where: { agentId },
     orderBy: { createdAt: 'desc' },
-    select: { id: true, status: true, result: true, log: true },
+    select: { id: true, status: true, result: true, log: true, createdAt: true },
   })
 
   if (!action) {
@@ -126,6 +132,19 @@ export async function GET(req: NextRequest) {
     return NextResponse.json({ status: 'running' })
   }
 
+  // Detect stale running actions (killed by process restart or hot-reload)
+  const GENERATION_TIMEOUT_MS = 8 * 60 * 1000 // 8 minutes
+  if (action.status === 'running') {
+    const ageMs = Date.now() - new Date(action.createdAt).getTime()
+    if (ageMs > GENERATION_TIMEOUT_MS) {
+      await prisma.agentAction.update({
+        where: { id: action.id },
+        data: { status: 'failure', log: 'Generation timed out (process restart)' },
+      }).catch(() => { /* best-effort */ })
+      return NextResponse.json({ status: 'failure', actionId: action.id, error: 'La génération a expiré. Veuillez réessayer.' })
+    }
+  }
+
   // If success, find canvasId from the related canvas (result stores canvas id)
   let canvasId: string | null = null
   let noteId: string | null = null