refactor(agent-runner): use sandbox file model

tests/unit_tests/agent/test_resource_builder.py

@@ -19,9 +19,7 @@ FULL_PERMISSIONS = {
     'knowledge_bases': ['list', 'retrieve'],
     'history': ['page', 'search'],
     'events': ['get', 'page'],
-    'artifacts': ['metadata', 'read'],
     'storage': ['plugin', 'workspace'],
-    'files': ['config', 'knowledge'],
 }
 
 
@@ -384,42 +382,6 @@ async def test_build_knowledge_bases_manifest_permission_denies_binding_kbs(app)
     assert resources['knowledge_bases'] == []
 
 
-@pytest.mark.asyncio
-async def test_build_files_authorizes_config_declared_file_fields(app):
-    descriptor = make_descriptor(
-        config_schema=[
-            {'name': 'avatar', 'type': 'file'},
-            {'name': 'references', 'type': 'array[file]'},
-        ],
-    )
-    query = make_query({
-        'avatar': {'file_key': 'plugin_config_avatar.png', 'mimetype': 'image/png'},
-        'references': [
-            {'file_key': 'plugin_config_doc.txt', 'mimetype': 'text/plain', 'file_name': 'doc.txt'},
-            {'file_key': 'plugin_config_doc.txt', 'mimetype': 'text/plain', 'file_name': 'doc.txt'},
-        ],
-    })
-
-    resources = await build_resources(app, query, descriptor)
-
-    assert resources['files'] == [
-        {
-            'file_id': 'plugin_config_avatar.png',
-            'file_name': None,
-            'mime_type': 'image/png',
-            'source': 'config',
-            'operations': ['config'],
-        },
-        {
-            'file_id': 'plugin_config_doc.txt',
-            'file_name': 'doc.txt',
-            'mime_type': 'text/plain',
-            'source': 'config',
-            'operations': ['config'],
-        },
-    ]
-
-
 @pytest.mark.asyncio
 async def test_build_storage_intersects_manifest_and_binding_policy(app):
     descriptor = make_descriptor(