refactor(agent-runner): use sandbox file model

tests/unit_tests/agent/conftest.py

@@ -10,7 +10,6 @@ def make_resources(
     knowledge_bases: list[dict] | None = None,
     skills: list[dict] | None = None,
     storage: dict | None = None,
-    files: list[dict] | None = None,
 ) -> dict[str, typing.Any]:
     """Create a minimal AgentResources dict for testing.
 
@@ -20,8 +19,6 @@ def make_resources(
         knowledge_bases: List of KB dicts with 'kb_id' key
         skills: List of skill dicts with 'skill_name' key
         storage: Storage permissions dict
-        files: List of file dicts with 'file_id' key
-
     Returns:
         AgentResources dict with all required fields
     """
@@ -30,7 +27,6 @@ def make_resources(
         'tools': tools or [],
         'knowledge_bases': knowledge_bases or [],
         'skills': skills or [],
-        'files': files or [],
         'storage': storage or {'plugin_storage': False, 'workspace_storage': False},
         'platform_capabilities': {},
     }
@@ -78,7 +74,6 @@ def make_session(
         'tool': {t.get('tool_name') for t in res.get('tools', [])},
         'knowledge_base': {kb.get('kb_id') for kb in res.get('knowledge_bases', [])},
         'skill': {s.get('skill_name') for s in res.get('skills', [])},
-        'file': {f.get('file_id') for f in res.get('files', [])},
     }
     authorized_operations: dict[str, dict[str, set[str]]] = {
         'model': {
@@ -101,11 +96,6 @@ def make_session(
             for s in res.get('skills', [])
             if s.get('skill_name')
         },
-        'file': {
-            f.get('file_id'): set(f.get('operations') or ['config', 'knowledge'])
-            for f in res.get('files', [])
-            if f.get('file_id')
-        },
     }
 
     return {