a2a-source-edit: write agent.py

agent.py

@@ -8,7 +8,6 @@ caller-configured; when they are absent the corresponding evidence is marked as
 """
 from __future__ import annotations
 
-import asyncio
 import hashlib
 import json
 import re
@@ -113,6 +112,15 @@ class ProbeMode(str, Enum):
     SYNTHETIC = "synthetic"
 
 
+class AuditScope(str, Enum):
+    CARD = "card"
+    CONFIGURATION = "configuration"
+    RUNTIME = "runtime"
+    REPOSITORY = "repository"
+    RISK = "risk"
+    REMEDIATION = "remediation"
+
+
 class Evidence(StrictModel):
     id: str
     source: str