feat: Add authenticated service checks

Support FreshRSS login with challenge hashing, add GitHub token usage, and update service metadata for Immich and PeerTube.

tests/test_versions_end_to_end.py

@@ -0,0 +1,39 @@
+import sys
+from pathlib import Path
+from unittest.mock import patch
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from check_updates import check_service, load_services
+
+
+def test_services_extract_current_and_latest():
+    services = load_services(
+        {
+            "services": [
+                {
+                    "name": "CurrentVersion",
+                    "base_url": "https://example.com/",
+                    "current_version_url": "https://example.com/current",
+                    "current_version_extract": {"type": "jsonpath", "value": "$.version"},
+                    "upstream_latest_version_url": "https://example.com/latest",
+                    "upstream_latest_extract": {"type": "jsonpath", "value": "$.tag"},
+                }
+            ]
+        }
+    )
+
+    responses = {
+        "https://example.com/current": "{\"version\": \"1.2.3\"}",
+        "https://example.com/latest": "{\"tag\": \"1.2.4\"}",
+    }
+
+    def fake_fetch(url, _timeout, _user_agent, _headers=None, _data=None, _method="GET"):
+        return responses[url], {}
+
+    service = list(services.values())[0]
+    with patch("check_updates.fetch_response", side_effect=fake_fetch):
+        result = check_service(service, timeout=5, user_agent="test")
+
+    assert result["current"] == "1.2.3"
+    assert result["latest"] == "1.2.4"