add kia ai chat tools4

src/services/kiaai/chat.py

@@ -1,3 +1,4 @@
+import json
 import httpx
 from langchain_core.messages import (
     AIMessage,
@@ -75,9 +76,28 @@ class KiaAIService:
 
             print(f"[KiaAI] HTTP {resp.status_code}")
             resp.raise_for_status()
-            data = resp.json()
+            raw_text = resp.text
 
-        print(f"[KiaAI] Raw response keys: {list(data.keys())}")
+        print(f"[KiaAI] Raw response text:\n{raw_text}\n---")
+
+        # KIA may return NDJSON (multiple JSON lines) instead of a single JSON object.
+        # We pick the last non-empty line that contains "choices" as the final completion chunk.
+        data = None
+        lines = [line.strip() for line in raw_text.strip().splitlines() if line.strip()]
+        for line in reversed(lines):
+            try:
+                candidate = json.loads(line)
+                if "choices" in candidate and candidate["choices"]:
+                    data = candidate
+                    break
+            except json.JSONDecodeError:
+                continue
+
+        if data is None:
+            # Fallback: try parsing the whole text as one JSON
+            data = json.loads(raw_text)
+
+        print(f"[KiaAI] Parsed response keys: {list(data.keys())}")
 
         content = data["choices"][0]["message"]["content"]
         usage = data.get("usage") or {}