fix(filters): migrate is_copilot_model matching to body['features']

plugins/filters/async-context-compression/async_context_compression.py

@@ -2713,7 +2713,11 @@ class Filter:
         Check if compression should be skipped.
         Returns True if:
         """
-        is_copilot = body.get("is_copilot_model", False) or body.get("metadata", {}).get("is_copilot_model", False)
+        is_copilot = (
+            body.get("is_copilot_model", False)
+            or body.get("metadata", {}).get("is_copilot_model", False)
+            or body.get("features", {}).get("is_copilot_model", False)
+        )
         if is_copilot:
             return True
         

plugins/filters/github_copilot_sdk_files_filter/github_copilot_sdk_files_filter.py

@@ -119,9 +119,9 @@ class Filter:
         # Check if it's a Copilot model
         is_copilot_model = self._is_copilot_model(current_model)
         
-        if "metadata" not in body:
-            body["metadata"] = {}
-        body["metadata"]["is_copilot_model"] = is_copilot_model
+        if "features" not in body:
+            body["features"] = {}
+        body["features"]["is_copilot_model"] = is_copilot_model
 
         await self._emit_debug_log(
             __event_emitter__,