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Closes LibreChat-AI#12119 Companion to LibreChat-AI/agents#66, which adds the `custom` reranker itself. This is the config side so it can be selected from `librechat.yaml`: ```yaml webSearch: rerankerType: 'custom' customRerankerApiUrl: 'https://api.scaleway.ai/v1/rerank' customRerankerApiKey: '${SCALEWAY_API_KEY}' customRerankerModel: 'qwen3-embedding-8b' ``` - `RerankerTypes.CUSTOM` plus the three fields on the web-search schema, defaulting to `${CUSTOM_RERANKER_*}` placeholders like the existing providers - `webSearchAuth.rerankers.custom` requires URL and model, treats the API key as optional - some self-hosted rerank endpoints (vLLM, TEI) need no auth - `loadWebSearchConfig` passes them through - `customRerankerApiKey` is registered in the admin secret registry with its `customRerankerApiKeyPreview` companion, so it is encrypted at rest and redacted on read like every other web-search key Motivation: any service speaking Jina's `/v1/rerank` shape (Scaleway Generative APIs, vLLM, LiteLLM, TEI) is usable as a reranker, but the provider list and model names are hardcoded today, and `infinity` is still a placeholder returning the default ranking. Verified end to end against Scaleway with `qwen3-embedding-8b`. Drive-by: `RerankerTypes` was imported in `app/web.ts` but never used, which fails the repo's `--max-warnings=0` lint on changed files; removed. (Keying the map off the enum instead would break `isolatedDeclarations`.) Signed-off-by: JumpLink <pascal@artandcode.studio>
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feat: add custom reranker provider support in web search config
Closes #12119
Companion to LibreChat-AI/agents#66, which adds the
customreranker itself.This is the config side so it can be selected from
librechat.yaml:RerankerTypes.CUSTOMplus the three fields on the web-search schema,defaulting to
${CUSTOM_RERANKER_*}placeholders like the existing providerswebSearchAuth.rerankers.customrequires URL and model, treats the API key asoptional - some self-hosted rerank endpoints (vLLM, TEI) need no auth
loadWebSearchConfigpasses them throughMotivation: any service speaking Jina's
/v1/rerankshape (Scaleway GenerativeAPIs, vLLM, LiteLLM, TEI) is usable as a reranker, but the provider list and
model names are hardcoded today, and
infinityis still a placeholder returningthe default ranking. Verified end to end against Scaleway with
qwen3-embedding-8b.Drive-by:
RerankerTypeswas imported inapp/web.tsbut never used, whichfails the repo's
--max-warnings=0lint on changed files; removed. (Keying themap off the enum instead would break
isolatedDeclarations.)