feat(search): add Google Gemini embedding provider#27974

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pmbrull wants to merge 25 commits intomainfrom

pmbrull/gcp-embedding-client

Commits on May 7, 2026

Add design: Google Gemini embedding client

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Add implementation plan: Google Gemini embedding client

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feat(spec): add google embedding provider config block

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feat(search): add GoogleEmbeddingClient with happy-path test

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refactor(search): extract MODELS_PREFIX constant in GoogleEmbeddingClient

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test(search): add constructor validation tests for GoogleEmbeddingClient

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test(search): add blank model id test and clarify null-modelId workaround

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test(search): add HTTP error and malformed response tests for GoogleEmbeddingClient
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test(search): tighten empty values array assertion to check message

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test(search): verify Google embedding request URL, headers, and body shape

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test(search): extract endpoint constant and harden extractBody helper

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feat(search): wire google embedding provider into SearchRepository switch
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test(search): cover null dimension and custom endpoint, drop redundant comment

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Update generated TypeScript types
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Commits on May 8, 2026