RAG demo improvements: model picker, haystack fixes#1775

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chocobar merged 12 commits intomainfrom

Mar 2, 2026

Commits on Feb 27, 2026

Rename VLLM_* env vars to RAG_HAYSTACK_EMBEDDINGS_* in haystack service

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Show model picker when creating a new agent

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Auto-detect document URLs and bypass crawler for direct extraction

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Deduplicate disabled/enabled model list item JSX in AdvancedModelPicker

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Add shared_preload_libraries to pgvector service

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Fix filename extension detection when sending files to haystack

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Revert auto-detect document URLs and filename extension detection

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Fix haystack embedder selection and preserve source metadata

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Restore socket-first priority for haystack embeddings

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Add RAG embedding model configuration to System Settings

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Remove direct API fallback from haystack embeddings

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Commits on Mar 2, 2026

Fix CreateFlexibleEmbeddings: double /v1 URL, base64 encoding, embed model filter

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