fix(cli): load rules into system message (#10408)

* fix(cli): load rules into system message

* show loaded rules in config

* Update extensions/cli/src/systemMessage.ts

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* fix config service tests

* fix tests

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Co-authored-by: Nate Sesti <33237525+sestinj@users.noreply.github.com>
Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>