fix: reasoning budget for conflict critic (wave-4 max_tokens truncation)

backend/agents/conflict_critic.py

@@ -60,6 +60,8 @@ class ConflictCriticAgent:
                 model=config.AGENT_CONFLICT_MODEL,
                 usage_tracker=self.usage,
                 usage_stage="agent.conflict",
+                reasoning_effort=config.EXTRACT_REASONING_EFFORT or None,
+                reasoning_max_tokens=config.EXTRACT_REASONING_MAX_TOKENS or None,
             )
             candidates = parsed if isinstance(parsed, list) else (
                 parsed.get("conflicts") if isinstance(parsed, dict) else []

backend/pipeline/conflict_checker.py

@@ -93,6 +93,8 @@ def _check_one(cluster: Dict, page_to_b64: Dict[int, str]) -> List[Dict]:
         user_text=user_text,
         images_b64=_images_for(cluster, page_to_b64),
         max_tokens=config.REASON_MAX_TOKENS,
+        reasoning_effort=config.EXTRACT_REASONING_EFFORT or None,
+        reasoning_max_tokens=config.EXTRACT_REASONING_MAX_TOKENS or None,
     )
     if isinstance(parsed, list):
         candidates = parsed