chore(repo): move current KarlDNS source to Gitea

Preserve the GitHub history and the newer deployed source from ct_134_karldns. Exclude runtime data, credentials, AppleDouble files and local backup copies. Make Gitea the canonical source for documentation, package metadata and project links.

tests/test_api.py

@@ -12,6 +12,32 @@ def _path(url: str) -> str:
     return parsed.path
 
 
+def test_llms_txt_documents_public_api_without_creating_accounts(tmp_path: Path) -> None:
+    app = make_app(
+        DdnsSettings(
+            database_path=tmp_path / "ddns.sqlite3",
+            admin_password="private-admin-password",
+            public_base_url="https://dns.example.net",
+            hostname_suffix="dns.example.net",
+        )
+    )
+    with TestClient(app) as client:
+        response = client.get("/llms.txt")
+        assert response.status_code == 200
+        assert response.headers["content-type"].startswith("text/plain")
+        assert response.text.startswith("# KarlDNS\n\n> ")
+        assert "https://dns.example.net/openapi.json" in response.text
+        assert "private-admin-password" not in response.text
+        assert "/api/v1/admin" not in response.text
+        assert "## Optional\n" in response.text
+        assert 'rel="describedby" href="/llms.txt"' in client.get("/").text
+        for path, operations in client.get("/openapi.json").json()["paths"].items():
+            assert path in response.text
+            for method in operations:
+                assert method.upper() in response.text
+        assert app.state.store.count_accounts() == 0
+
+
 def test_custom_api_docs_include_only_current_api_surfaces(tmp_path: Path) -> None:
     app = make_app(
         DdnsSettings(