UPDATE

rag/services/fertilization_plan_parser.py

@@ -6,6 +6,7 @@ from typing import Any, Literal
 
 from pydantic import BaseModel, Field, ValidationError
 
+from farm_data.services import build_ai_farm_snapshot
 from rag.api_provider import get_chat_client
 from rag.chat import (
     _complete_audit_log,
@@ -124,7 +125,14 @@ class FertilizationPlanParserService:
             "partial_plan": normalized_partial,
             "required_core_fields": CORE_FIELDS,
             "service": "fertilization_plan_parser",
+            "endpoint_policy": "parser_first",
         }
+        if farm_uuid:
+            # Parser-first endpoint: farm context is optional enrichment only.
+            structured_context["farm_context_source_metadata"] = {
+                "source": "build_ai_farm_snapshot",
+                "optional": True,
+            }
 
         rag_query = self._build_retrieval_query(
             message=normalized_message,