Add formatting and type checks

karldns/web/templates_public.py

@@ -99,6 +99,7 @@ def _render_public_home(
         },
     )
 
+
 def _render_privacy_page(settings: DdnsSettings) -> str:
     base_url = settings.public_base_url.rstrip("/")
     description = "Privacy and legal information for KarlDNS, including stored hostnames, update links, IP history, and cleanup behavior."
@@ -159,7 +160,9 @@ def _render_api_docs_page(settings: DdnsSettings, request_ip: str | None = None)
     base_url = settings.public_base_url.rstrip("/")
     example_ipv4, _ = _example_update_ips(request_ip)
     create_example = f"curl -sS -X POST {base_url}/api/v1/hostnames"
-    register_example = f"curl -sS -X POST '{base_url}/api/v1/router/register/<karl_dashboard_secret>?myip={example_ipv4}'"
+    register_example = (
+        f"curl -sS -X POST '{base_url}/api/v1/router/register/<karl_dashboard_secret>?myip={example_ipv4}'"
+    )
     update_example = f"curl -sS '{base_url}/api/v1/router/update/<karl_update_secret>?myip={example_ipv4}'"
     status_example = f"curl -sS '{base_url}/api/v1/hostnames/<karl_dashboard_secret>?history_limit=10'"
     rotate_example = f"curl -sS -X POST {base_url}/api/v1/hostnames/<karl_dashboard_secret>/rotate-update-url"