fix: Resolve Production Crash (Gemini 404, OpenAI Zod, Job Payload mismatch)

apps/api/src/services/ai/gemini-provider.ts

@@ -13,7 +13,7 @@ export class GeminiProvider implements LLMProvider {
         // Standard model for normal requests
         this.flashModel = this.genAI.getGenerativeModel({ model: 'gemini-2.0-flash' });
         // Pro model for long context & complex doc generation
-        this.proModel = this.genAI.getGenerativeModel({ model: 'gemini-1.5-pro' });
+        this.proModel = this.genAI.getGenerativeModel({ model: 'gemini-1.5-pro-latest' });
     }
 
     async generateStructuredData<T>(prompt: string, _schema: z.ZodSchema<T>, temperature?: number, imageUrl?: string): Promise<T> {
@@ -21,7 +21,7 @@ export class GeminiProvider implements LLMProvider {
         // Use Pro for complex docs (OnePager/PitchDeck) - detected by prompt length or keyword
         const isComplex = prompt.includes('PITCH_DECK') || prompt.includes('ONE_PAGER') || prompt.length > 2000;
         const model = isComplex ? this.proModel : this.flashModel;
-        const modelName = isComplex ? 'gemini-1.5-pro' : 'gemini-2.0-flash';
+        const modelName = isComplex ? 'gemini-1.5-pro-latest' : 'gemini-2.0-flash';
 
         console.log(`[GEMINI] Generating structured data with ${modelName}... (Vision: ${!!imageUrl})`);
 

apps/api/src/services/ai/types.ts

@@ -70,8 +70,8 @@ export const FeedbackSchema = z.object({
     teamMembers: z.array(z.object({
         name: z.string(),
         role: z.string(),
-        bio: z.string().optional(),
-        photoUrl: z.string().optional()
+        bio: z.string().nullable().optional(),
+        photoUrl: z.string().nullable().optional()
     })).nullable().optional().describe("List of newly identified team members (Day 11) with their roles and photos"),
     fundingAsk: z.string().nullable().optional().describe("The Ask: amount and purpose (Day 12)"),
     aiSource: z.string().nullable().optional().describe("The AI provider used (GEMINI, OPENAI, MOCK)")

apps/whatsapp-worker/src/index.ts

@@ -64,7 +64,10 @@ const worker = new Worker('whatsapp-queue', async (job: Job) => {
             await WhatsAppLogic.handleIncomingMessage(phone, text, audioUrl, imageUrl);
         }
         else if (job.name === 'generate-feedback') {
-            const { userId, text, trackId, exercisePrompt, lessonText, exerciseCriteria, currentDay, totalDays, language, userActivity, userRegion, previousResponses, isDeepDive, iterationCount, imageUrl } = job.data;
+            const { userId, text, trackId, exercisePrompt, lessonText, exerciseCriteria, totalDays, language, userActivity, userRegion, previousResponses, isDeepDive, iterationCount, imageUrl } = job.data;
+            const currentDay = Number(job.data.currentDay || job.data.dayNumber || 0);
+            const enrollmentId = job.data.enrollmentId;
+
             const user = await prisma.user.findUnique({
                 where: { id: userId },
                 include: { businessProfile: true } as any
@@ -279,7 +282,7 @@ const worker = new Worker('whatsapp-queue', async (job: Job) => {
                 // @ts-ignore
                 await prisma.response.create({
                     data: {
-                        enrollmentId: job.data.enrollmentId,
+                        enrollmentId: enrollmentId,
                         userId: user.id,
                         dayNumber: currentDay,
                         content: feedbackMsg,

apps/whatsapp-worker/src/services/whatsapp-logic.ts

@@ -298,9 +298,10 @@ export class WhatsAppLogic {
 
                     await whatsappQueue.add('generate-feedback', {
                         userId: user.id, text, trackId: activeEnrollment.trackId, trackDayId: trackDay.id,
+                        enrollmentId: activeEnrollment.id,
                         exercisePrompt: trackDay.exercisePrompt || '', lessonText: trackDay.lessonText || '',
                         exerciseCriteria: trackDay.exerciseCriteria, pendingProgressId: pendingProgress.id,
-                        dayNumber: activeEnrollment.currentDay, totalDays: activeEnrollment.track.duration, language: user.language,
+                        currentDay: activeEnrollment.currentDay, totalDays: activeEnrollment.track.duration, language: user.language,
                         userActivity: user.activity, userRegion: user.city, previousResponses,
                         isDeepDive: isDeepDiveAction, iterationCount: currentIterationCount, imageUrl: imageUrl
                     }, { attempts: 3, backoff: { type: 'exponential', delay: 2000 } });

tasks/lessons.md

@@ -9,5 +9,13 @@ Ce fichier archive les échecs et solutions liées à la **stabilité technique*
 - **[STT] Whisper Auto-Validation** : Si l'indice de confiance est <= 80%, intercepter le flux et basculer en `PENDING_REVIEW` pour validation humaine sans crash.
 - **[NON-BLOQUANT] Processus FFMPEG** : Les conversions audio doivent tourner dans des sous-processus.
 
+- **[AI] OpenAI Zod Schemas** : Pour les Structured Outputs, OpenAI exige que TOUS les champs d'un schéma soient obligatoires OU explicitement `.nullable().optional()`. Les `.optional()` seuls sur les sous-objets provoquent une erreur.
+- **[QUEUES] Payload Sync** : S'assurer que les noms de champs dans `whatsappQueue.add` (producteur) matchent exactement le destructuring dans le worker (consommateur). Préférer `currentDay` partout pour la consistance.
+- **[DB] Enrollment ID** : Toujours passer l'ID d'inscription (`enrollmentId`) au job de feedback pour permettre la persistance des réponses sans crash Prisma.
+
 ## 🛡️ Règle d'Or de l'Intégrité
 **Les correctifs techniques ne doivent JAMAIS impacter la logique de personnalisation du prompt `generatePersonalizedLesson` ou des feedbacks.** Toute simplification technique qui réduit la spécificité de l'IA est un échec.
+
+## 📅 Historique des Apprentissages
+- [24/03/2026] | Gemini 404 | Utiliser `gemini-1.5-pro-latest` au lieu de `gemini-1.5-pro` sur l'API `v1beta`.
+- [24/03/2026] | Missing dayNumber | `currentDay` vs `dayNumber` mismatch dans le job payload. Toujours vérifier le destructuring.