Add /generate alias for PDF-QA compatibility

main.py

@@ -0,0 +1,15 @@
+# --- ADD: /generate alias for compatibility ---
+from fastapi import Form
+
+@app.post("/generate")
+async def generate_alias(
+    file: UploadFile = File(...),
+    num_questions: int = Query(20, ge=1, le=200),
+    language: str = Query("en")
+):
+    # simply call the real generator
+    return await generate_dataset(file=file, num_questions=num_questions, language=language)
+
+@app.get("/health")
+def health_alias():
+    return {"status": "ok"}