feat: enhance service discovery and proxy management

backend/tests/test_security.py

@@ -0,0 +1,16 @@
+from datetime import UTC, datetime
+
+from core.security import create_access_token, decode_access_token
+
+
+def test_create_access_token_uses_twelve_hour_default_window(monkeypatch):
+    monkeypatch.setattr("core.security.settings.JWT_EXPIRE_MINUTES", 720)
+
+    issued_at = datetime.now(UTC)
+    token = create_access_token(subject="admin")
+    payload = decode_access_token(token)
+    expires_at = datetime.fromtimestamp(payload.exp, UTC)
+
+    lifetime_seconds = (expires_at - issued_at).total_seconds()
+
+    assert 11.9 * 60 * 60 <= lifetime_seconds <= 12.1 * 60 * 60