updated tokens again

app/recommendation_pipeline.py

@@ -116,6 +116,12 @@ class CatalogIndex:
             for s, r in out
         ]
 
+def strip_code_fences(s: str) -> str:
+    s = s.strip()
+    s = re.sub(r"^```(?:json)?\s*", "", s)
+    s = re.sub(r"\s*```$", "", s)
+    return s.strip()
+
 
 def build_query_text(persona: str, chat_history: list[dict[str, str]]) -> str:
     parts = [persona.strip()]
@@ -165,7 +171,7 @@ Output ONLY a JSON array of {top_n} objects: {{"business_id":"<id>","rank":1,"ra
         system_instruction=_RANK_SYSTEM,
         user_text=user_prompt,
         temperature=0.2,
-        max_output_tokens=1024,
+        max_output_tokens=1536,
     )
     return _normalize_ranked_output(raw, candidates, top_n)
 
@@ -175,7 +181,7 @@ def _normalize_ranked_output(
     candidates: list[dict[str, Any]],
     top_n: int,
 ) -> list[dict[str, Any]]:
-    raw = raw.strip()
+    raw = strip_code_fences(raw)
     data: list[dict[str, Any]] | None = None
     try:
         data = json.loads(raw)