fix: skip Redis auth when credentials are unset with unit test (#541)

[Justxd22]

Description

• fix Redis cache config to skip AUTH when REDIS_PASSWORD is unset
• use redis://host:port when no credentials are provided
• keep REDIS_URI precedence when present
• add unit test coverage in test/unit/cache/client.spec.ts for:
  • no REDIS_URI + no password
  • password-based config
  • REDIS_URI precedence

Related Issue

#541

How Has This Been Tested?

npm run test:unit

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my code changes.
• I added a changeset, or this is docs-only and I added an empty changeset.
• All new and existing tests passed.

[Copilot]

Pull request overview

This PR fixes Redis cache client configuration so the app does not attempt Redis AUTH when REDIS_PASSWORD is unset (and still respects REDIS_URI when provided), and adds unit tests plus a changeset to cover the expected configuration behavior.

Changes:

• Update getCacheConfig() to build an unauthenticated Redis URL when credentials are not provided, while keeping REDIS_URI precedence.
• Add unit tests covering unauthenticated config, authenticated config, and REDIS_URI precedence.
• Add a patch changeset documenting the fix.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
src/cache/client.ts	Adjusts Redis client options generation to avoid AUTH when password is unset.
test/unit/cache/client.spec.ts	Adds unit coverage for the updated Redis cache config behavior.
.changeset/thirty-turtles-design.md	Declares a patch release for the Redis config fix.

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[coveralls]

coverage: 64.452% (+0.01%) from 64.44% — Justxd22:fix/541-redis-auth-unset-credentials into cameri:main

[changeset-bot]

🦋 Changeset detected

Latest commit: cb130a8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
nostream	Patch

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