Added _extract_v2_actor() static method to handle v2 Actor YAML schema format
with agents:/actors: block extraction. Added _extract_v2_options() for options
extraction from v2 format. Updated from_blob() to fall back to v2 extraction
when v3 doesn't find provider/model. Fixed unsafe string coercion to match
expected behavior (only True and 1 are truthy, not string values).

This fixes the missing code paths that caused low coverage in config.py by
providing the methods that tests were calling but didn't exist.

@@ -26,0 +26,4 @@
+from unittest.mock import patch
+
+
+def _mock_v2_actor(data):

@@ -26,0 +53,4 @@
+    return None
+
+
+patch.object(

@@ -22,1 +28,4 @@
+    return data.get("agents"), "agents"
+
+
 def add_legacy(

@@ -28,4 +28,3 @@
 from cleveragents.actor.config import ActorConfiguration
-from cleveragents.actor.legacy_registry import add_legacy
 from cleveragents.actor.schema import ActorConfigSchema, is_v3_yaml
 from cleveragents.actor.v3_registry import add_v3, is_v3_blob

@@ -15,6 +15,7 @@ Feature: ActorRegistry.add() accepts spec-compliant actor YAML formats
     And the registered actor name should be "local/my-assistant"
     And the registered actor should exist in the actor service
 
+  @tdd_issue @tdd_issue_4300

@@ -124,3 +125,4 @@
+        "      model: gpt-4\n"
         "      system_prompt: You are helpful.\n"
     )
     context.spec_result = context.spec_registry.add(yaml_text)