* feat(proxy): opt-in free-tier allowance for Google Search grounding spend
* fix(proxy): declare the search free tier counter's service target
* test(cost_map): allow search_free_requests in the cost map schema
* fix(proxy): skip cache hits and never free more than the billed cost in the search free tier
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Backport of #47494 to stable/1.104.x
Cherry-picked from e63aec029a (main)
Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com>
* ci: fix the litellm-tests unit job with sysmon coverage, an env allowlist and coverage upload on failure
* test: replace key-dependent proxy, enterprise and mcp unit tests with synthetic values and integration and e2e coverage
* test: drop key reads at the legacy proxy, enterprise and mcp paths and wire the gemini pass-through split
* ci: move caching, proxy-extras, gateway and enterprise tests into tests/unit and run them from litellm-tests under their legacy flags
* ci: move caching, proxy-extras, gateway and enterprise tests into tests/unit and run them from litellm-tests under their legacy flags
* ci: move tests/proxy_unit_tests to tests/unit/proxy and run the proxy-db shards from litellm-tests
* ci: fail the unit shard when circleci tests split errors
* test: drop restating comments from the gemini pass-through split
* build: point the local proxy unit targets at the nested tests/unit/proxy tree
* ci: exit the unit shard cleanly when circleci tests split assigns it no files
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Co-authored-by: yuneng <yuneng@berri.ai>