Update src/qa.py

src/qa.py

@@ -6,6 +6,7 @@ qa.py — GPT-4o (SAP Gen AI Hub) + ReRank Retrieval
 ✅ Embedding caching (per PDF)
 ✅ Smart factual mode (fast)
 ✅ Deep reasoning mode (ChatGPT-like)
+✅ genai_generate() helper for suggestions
 """
 
 import os
@@ -247,7 +248,31 @@ def generate_answer(query: str, retrieved_chunks: list, reasoning_mode: bool = F
         return "⚠️ Error: Could not generate an answer."
 
 # ==========================================================
-# 8️⃣ Local Test
+# 8️⃣ Generic Text Generation Helper (for AI suggestions)
+# ==========================================================
+def genai_generate(prompt: str) -> str:
+    """
+    Utility for single-turn GPT-4o generation (e.g., query suggestions, summaries).
+    Uses the same SAP Gen AI Hub connection as main assistant.
+    """
+    global chat_llm
+    if chat_llm is None:
+        raise RuntimeError("⚠️ GPT-4o not initialized. Check credentials or rebuild the Space.")
+
+    messages = [
+        {"role": "system", "content": "You are a concise, intelligent text generator."},
+        {"role": "user", "content": prompt.strip()},
+    ]
+
+    try:
+        response = chat_llm.invoke(messages)
+        return response.content.strip()
+    except Exception as e:
+        print(f"⚠️ genai_generate() failed: {e}")
+        return "⚠️ Unable to generate response."
+
+# ==========================================================
+# 9️⃣ Local Test
 # ==========================================================
 if __name__ == "__main__":
     from vectorstore import build_faiss_index