feat(agent-call): implement remediation plan

tests/test_deployment.py

@@ -1,5 +1,6 @@
 import base64
 import copy
+import ipaddress
 import json
 import tempfile
 import unittest
@@ -293,10 +294,10 @@ class AsteriskTests(unittest.TestCase):
 
     def test_reject_injection_public_ari_and_our_ip_as_provider(self):
         for update in (
-            {"ari_bind": ".".join(("0", "0", "0", "0"))},
+            {"ari_bind": str(ipaddress.IPv4Address(0))},
             {"ari_bind": "8.8.8.8"},
             {"local_net": "0.0.0.0/0"},
-        ):  # noqa: S104 — negative fixtures; renderer must reject them.
+        ):
             cfg = self.cfg()
             cfg.update(update)
             with self.assertRaises(ValueError):