refractor skill version 2

Author: alcholiclg

ms_agent/agent/llm_agent.py

@@ -1,8 +1,21 @@
 # Copyright (c) ModelScope Contributors. All rights reserved.
-from .auto_skills import AutoSkills, DAGExecutionResult, SkillDAGResult
+from .catalog import SkillCatalog
+from .loader import SkillLoader, load_skills
+from .prompt_injector import SkillPromptInjector
+from .schema import SkillFile, SkillSchema, SkillSchemaParser
+from .skill_tools import SkillToolSet
+from .sources import SkillSource, SkillSourceType, parse_skill_source
 
 __all__ = [
-    'AutoSkills',
-    'SkillDAGResult',
-    'DAGExecutionResult',
+    'SkillSchema',
+    'SkillSchemaParser',
+    'SkillFile',
+    'SkillLoader',
+    'load_skills',
+    'SkillSource',
+    'SkillSourceType',
+    'parse_skill_source',
+    'SkillCatalog',
+    'SkillPromptInjector',
+    'SkillToolSet',
 ]