build: force deep rebuild v4 with improved logging

Dockerfile

@@ -41,7 +41,7 @@ EXPOSE 7860
 ENV PORT=7860
 
 # Force Docker cache invalidation - bump date to trigger clean rebuild
-ENV REBUILD_DATE="2026-02-23-api-only-v3-clean-hf"
+ENV REBUILD_DATE="2026-02-24-v4-debug"
 
 # Start the API directly with tsx
 CMD ["sh", "-c", "tsx apps/api/src/index.ts"]

apps/api/src/routes/ai.ts

@@ -93,11 +93,10 @@ export async function aiRoutes(fastify: FastifyInstance) {
         });
 
         const { audioBase64, filename } = bodySchema.parse(request.body);
-
-        console.log(`[AI] Transcribing audio: ${filename}`);
-
         const buffer = Buffer.from(audioBase64, 'base64');
 
+        console.log(`[AI] 🚀 DEPLOY V4 - Transcribing: ${filename} (size: ${buffer.length})`);
+
         try {
             const { buffer: audioToTranscribe, format } = await convertToMp3IfNeeded(buffer, filename);
             console.log(`[AI] Calling transcribeAudio for format: ${format}`);

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

@@ -18,7 +18,12 @@ export class OpenAIProvider implements LLMProvider {
     private openai: OpenAI;
 
     constructor(apiKey: string) {
-        this.openai = new OpenAI({ apiKey });
+        console.log('[OPENAI] Initializing SDK with custom fetch wrapper...');
+        this.openai = new OpenAI({
+            apiKey,
+            timeout: 30_000, // 30s timeout for audio/STT
+            maxRetries: 2,
+        });
     }
 
     async generateStructuredData<T>(prompt: string, schema: z.ZodSchema<T>): Promise<T> {
@@ -68,7 +73,13 @@ export class OpenAIProvider implements LLMProvider {
             });
             return response.text;
         } catch (err: any) {
-            console.error('[OPENAI] ❌ Error in transcribeAudio:', err);
+            console.error('[OPENAI] ❌ Connection or API Error:', {
+                name: err?.name,
+                message: err?.message,
+                status: err?.status,
+                code: err?.code,
+                stack: err?.stack
+            });
             if (err?.status === 429 || err?.code === 'insufficient_quota') {
                 console.warn('[OPENAI] 429 on transcribeAudio');
                 throw new QuotaExceededError();