fix(proxy): add coordination_redis routes to component allowlist

[mateo-berri]

Relevant issues

Unblocks PR #32661.

Linear ticket

Resolves LIT-3861

Pre-Submission checklist

• I have added meaningful tests
• My PR passes all CI/CD checks (e.g., lint, format, unit tests)
• My PR's scope is as isolated as possible; it only solves 1 specific problem

Screenshots / Proof of Fix

$ python3 -m pytest tests/test_litellm/proxy/test_component_allowlists.py::test_gateway_plus_backend_covers_full_app -v
PASSED tests/test_litellm/proxy/test_component_allowlists.py::test_gateway_plus_backend_covers_full_app
1 passed in 4.65s

Type

🐛 Bug Fix

Changes

PR #32661 added /coordination_redis/settings and /coordination_redis/settings/test endpoints but did not add them to backend/routes/allowlist.py. The test_gateway_plus_backend_covers_full_app test enforces that every registered route appears in either the gateway or backend allowlist, causing that test to fail with:

AssertionError: 2 route(s) are not exposed on either component.
    /coordination_redis/settings
    /coordination_redis/settings/test

Adding /coordination_redis/ as a prefix entry to the backend allowlist covers both routes and unblocks the CI check.

  

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[greptile-apps]

Greptile Summary

This PR adds a single missing prefix entry to the backend route allowlist to fix a CI enforcement failure. PR #32661 introduced /coordination_redis/settings and /coordination_redis/settings/test endpoints but omitted them from backend/routes/allowlist.py, causing the test_gateway_plus_backend_covers_full_app test to fail.

• Adds /coordination_redis/ to BACKEND_PATH_PREFIXES, which covers both new endpoints via prefix matching (startswith).
• The trailing-slash pattern is consistent with other multi-route prefixes in the file (e.g., /router/, /cache/, /config/) and correctly distinguishes these routes from any hypothetical top-level /coordination_redis exact match.

Confidence Score: 5/5

Safe to merge — one-line addition to an allowlist with a dedicated enforcement test that now passes.

The change is a single-line addition to a static tuple. The affected test explicitly verifies that every registered route appears in either the gateway or backend allowlist, so the fix is self-validating. The new prefix /coordination_redis/ correctly matches both target routes by prefix and is consistent with the style of other entries in the file.

No files require special attention.

Important Files Changed

Filename	Overview
backend/routes/allowlist.py	Adds /coordination_redis/ prefix to BACKEND_PATH_PREFIXES, correctly covering both /coordination_redis/settings and /coordination_redis/settings/test routes added in PR #32661.

_{Reviews (1): Last reviewed commit: "fix(proxy): add coordination_redis route..." | Re-trigger Greptile}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[yucheng-berri]

Superseded by #32805, which carries the identical change