Fix Tesseract workerPath in Next.js standalone container, pool worker, and add timeout

src/app/api/attachments/ocr/route.ts

@@ -7,10 +7,11 @@ export async function POST(req: NextRequest) {
     const body = await req.json().catch(() => ({}));
     const limit = Math.min(parseInt(String(body.limit || '10'), 10) || 10, 50);
 
-    // Find image or PDF attachments that do not have extractedText yet
+    // Find image or PDF attachments that do not have extractedText yet (skip tiny icons < 2 KB)
     const pendingAttachments = await prisma.attachment.findMany({
       where: {
         extractedText: null,
+        sizeBytes: { gte: 2048 },
         OR: [
           { mimeType: { startsWith: 'image/' } },
           { mimeType: 'application/pdf' },