Expand token-cookie missing-component coverage and clarify test variable naming

[Copilot]

test_token_cookies only covered the missing id_token case, leaving gaps for other required cookie components. This PR extends coverage so load_token_from_cookies is validated to return None when any required token cookie is absent, while also improving test variable clarity.

• Coverage gap addressed

  • Added dedicated tests for missing access_token and missing refresh_token cookie scenarios.
  • Ensures symmetry with existing missing id_token behavior expectations.

• Readability improvement

  • Renamed the ambiguous map variable in the existing missing-id_token test to explicitly reflect intent.
  • Aligned new test variable names with the same explicit naming pattern.

• Representative change

  names = token_cookie_names(settings)
  cookie_map_without_access_token = dict(cookie_map)
  cookie_map_without_access_token.pop(names["access_token"])
  
  assert load_token_from_cookies(cookie_map_without_access_token, settings) is None

Original prompt

Please apply the following diffs and create a pull request.
Once the PR is ready, give it a title based on the messages of the fixes being applied.

[{"message":"The test only verifies behavior when the `id_token` cookie is missing. There is no coverage for missing `access_token` or `refresh_token` cookies. If those components are also required for a valid session, their absence should be tested as well to ensure `load_token_from_cookies` consistently returns `None` for any missing required component.","fixFiles":[{"filePath":"bff/tests/test_token_cookies.py","diff":"diff --git a/bff/tests/test_token_cookies.py b/bff/tests/test_token_cookies.py\n--- a/bff/tests/test_token_cookies.py\n+++ b/bff/tests/test_token_cookies.py\n@@ -68,6 +68,36 @@\n     assert load_token_from_cookies(missing_id, settings) is None\n \n \n+def test_token_cookie_missing_access_token_returns_none(app, build_token_payload):\n+    settings = app.extensions[\"bff_settings\"]\n+    response = app.response_class()\n+    token_payload = build_token_payload()\n+\n+    set_token_cookies(response, token_payload, settings)\n+    cookie_map = _extract_cookie_map(response)\n+\n+    names = token_cookie_names(settings)\n+    missing_access = dict(cookie_map)\n+    missing_access.pop(names[\"access_token\"])\n+\n+    assert load_token_from_cookies(missing_access, settings) is None\n+\n+\n+def test_token_cookie_missing_refresh_token_returns_none(app, build_token_payload):\n+    settings = app.extensions[\"bff_settings\"]\n+    response = app.response_class()\n+    token_payload = build_token_payload()\n+\n+    set_token_cookies(response, token_payload, settings)\n+    cookie_map = _extract_cookie_map(response)\n+\n+    names = token_cookie_names(settings)\n+    missing_refresh = dict(cookie_map)\n+    missing_refresh.pop(names[\"refresh_token\"])\n+\n+    assert load_token_from_cookies(missing_refresh, settings) is None\n+\n+\n def test_token_cookie_oversize_raises_error(app, build_token_payload):\n     settings = app.extensions[\"bff_settings\"]\n     response = app.response_class()\n"}]},{"message":"The variable name `missing_id` is ambiguous — it could refer to a missing ID in a general sense. A clearer name like `cookie_map_without_id_token` would better communicate the intent of the variable.","fixFiles":[{"filePath":"bff/tests/test_token_cookies.py","diff":"diff --git a/bff/tests/test_token_cookies.py b/bff/tests/test_token_cookies.py\n--- a/bff/tests/test_token_cookies.py\n+++ b/bff/tests/test_token_cookies.py\n@@ -62,10 +62,10 @@\n     cookie_map = _extract_cookie_map(response)\n \n     names = token_cookie_names(settings)\n-    missing_id = dict(cookie_map)\n-    missing_id.pop(names[\"id_token\"])\n+    cookie_map_without_id_token = dict(cookie_map)\n+    cookie_map_without_id_token.pop(names[\"id_token\"])\n \n-    assert load_token_from_cookies(missing_id, settings) is None\n+    assert load_token_from_cookies(cookie_map_without_id_token, settings) is None\n \n \n def test_token_cookie_oversize_raises_error(app, build_token_payload):\n"}]}]

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[chatgpt-codex-connector]

Drop generated egg-info metadata

This adds setuptools-generated package metadata even though the BFF package metadata is already maintained in bff/pyproject.toml, and the repo guidance says generated artifacts should not be hand-edited unless explicitly allowed. Keeping this second copy means the next version, dependency, or file-list change can leave PKG-INFO, requires.txt, or SOURCES.txt stale, so local distribution metadata/package manifests may no longer match the actual project. Please remove the backend_for_frontend.egg-info files rather than committing them with this test-only change.

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