feat: add webhook case management

tests/test_config.py

@@ -122,6 +122,32 @@ zone_ids = ["1", "2", "3"]
         self.assertIn("[trash]", text)
         self.assertNotIn('"trash"', text.split("[layout]", maxsplit=1)[1].split("[[zones]]", maxsplit=1)[0])
 
+    def test_save_config_document_writes_webhooks_and_case_sink(self) -> None:
+        with tempfile.TemporaryDirectory() as tmpdir:
+            path = Path(tmpdir) / "config.toml"
+            save_config_document(
+                path,
+                {
+                    "webhooks": {
+                        "enabled": True,
+                        "event_url": "https://example.com/events",
+                        "case_url": "https://example.com/cases",
+                        "callback_token": "secret",
+                        "connect_timeout_seconds": 3,
+                        "read_timeout_seconds": 5,
+                    },
+                    "case_sink": {"path": "logs/cases.jsonl"},
+                },
+            )
+            text = path.read_text(encoding="utf-8")
+
+        self.assertIn("[webhooks]", text)
+        self.assertIn('event_url = "https://example.com/events"', text)
+        self.assertIn('case_url = "https://example.com/cases"', text)
+        self.assertIn('callback_token = "secret"', text)
+        self.assertIn("[case_sink]", text)
+        self.assertIn('path = "logs/cases.jsonl"', text)
+
 
 if __name__ == "__main__":
     unittest.main()