refactor(semantic-search): use ai sdk embedder contract

[aryasaatvik]

Summary

Simplifies the semantic-search vector embedding API to a single AI SDK-backed makeEmbedder contract. Hosts now create provider models and pass an explicit embedder into the vector backend.

Changes

• Replace Gemini, Cloudflare Workers AI, and raw OpenAI-compatible plugin constructors with generic makeEmbedder.
• Remove provider-specific vector backend options such as workersAi, geminiApiKey, and embedder model config.
• Keep provider construction only in the local eval harness and add focused tests for batching, provider options, and dimension validation.

Tests

• ./node_modules/.bin/oxfmt --check packages/plugins/semantic-search/src/sdk/embedder.ts packages/plugins/semantic-search/src/sdk/embedder.test.ts packages/plugins/semantic-search/src/sdk/embedding-service.ts packages/plugins/semantic-search/src/sdk/eval.ts packages/plugins/semantic-search/src/sdk/index.ts packages/plugins/semantic-search/src/sdk/tool-search-backend.ts packages/plugins/semantic-search/package.json packages/plugins/semantic-search/tsup.config.ts
• ./node_modules/.bin/oxlint -c .oxlintrc.jsonc packages/plugins/semantic-search/src/sdk/embedder.ts packages/plugins/semantic-search/src/sdk/embedder.test.ts packages/plugins/semantic-search/src/sdk/embedding-service.ts packages/plugins/semantic-search/src/sdk/eval.ts packages/plugins/semantic-search/src/sdk/index.ts packages/plugins/semantic-search/src/sdk/tool-search-backend.ts --deny-warnings
• bun run --filter @executor-js/plugin-semantic-search test -- src/sdk/embedder.test.ts src/sdk/plugin.test.ts src/sdk/search.test.ts
• bun run --filter @executor-js/plugin-semantic-search typecheck
• bun run --filter @executor-js/plugin-semantic-search test

Stack

1. fix(semantic-search): process AI Search indexing in batches #69
2. refactor(semantic-search): use ai sdk embedder contract #70 👈 current

[greptile-apps]

Greptile Summary

This PR refactors semantic-search embedding to use a generic AI SDK embedder contract. The main changes are:

• Adds makeEmbedder around AI SDK embedding models.
• Removes provider-specific Gemini, Cloudflare, and OpenAI-compatible constructors from the runtime API.
• Moves provider setup into the eval harness.
• Updates vector backend options to require an explicit embedder.
• Adds tests for batching, provider options, and dimension validation.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
packages/plugins/semantic-search/src/sdk/embedder.ts	Replaces the Gemini-specific embedder with a generic AI SDK model wrapper.
packages/plugins/semantic-search/src/sdk/tool-search-backend.ts	Removes provider-specific backend configuration and uses only an explicit embedder.
packages/plugins/semantic-search/src/sdk/embedding-service.ts	Replaces provider-specific layers with a generic embedder layer.
packages/plugins/semantic-search/src/sdk/eval.ts	Builds Gemini and OpenAI-compatible provider models inside the eval harness.
packages/plugins/semantic-search/src/sdk/index.ts	Updates public exports for the new generic embedder surface.
packages/plugins/semantic-search/package.json	Moves provider SDK packages into development dependencies for the eval harness.

_{Reviews (2): Last reviewed commit: "refactor(semantic-search): use ai sdk em..." | Re-trigger Greptile}

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​ai-sdk/​openai-compatible@​1.0.41

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