feat(config): Add refresh_token_expire_days setting

backend/tests/test_config.py

@@ -42,4 +42,15 @@ def test_oidc_settings(monkeypatch):
     settings = Settings()
     assert settings.oidc_client_id == "test_client_id"
     assert settings.oidc_client_secret == "test_client_secret"
-    assert settings.oidc_server_metadata_url == "https://test.server/.well-known/openid-configuration"
+    assert settings.oidc_server_metadata_url == "https://test.server/.well-known/openid-configuration"
+
+def test_refresh_token_settings():
+    """Test that refresh token settings are loaded correctly."""
+    settings = Settings()
+    assert settings.refresh_token_expire_days == 7
+
+def test_refresh_token_env_override(monkeypatch):
+    """Test that refresh token settings can be overridden by env vars."""
+    monkeypatch.setenv("REFRESH_TOKEN_EXPIRE_DAYS", "30")
+    settings = Settings()
+    assert settings.refresh_token_expire_days == 30