add review agent model config

Author: kazmer97

lib/idp_common_pkg/idp_common/config/models.py

@@ -133,6 +133,13 @@ def parse_int(cls, v: Any) -> int:
             return int(v) if v else 0
         return int(v)
 
+    @model_validator(mode="after")
+    def model_validator(self) -> Self:
+        if not self.agentic.review_agent_model:
+            self.agentic.review_agent_model = self.model
+
+        return self
+
     @model_validator(mode="after")
     def set_default_review_agent_model(self) -> Self:
         """Set review_agent_model to extraction model if not specified."""