Athena/NexusOS
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f4aea78b55021e8692387a8e47077ff4cbb56333
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3 Commits
Author SHA1 Message Date
jonandClaude Opus 4.8 f4aea78b55 feat(rag): overlapping chunker, retrieval knobs, sqlite-vec index 
- Chunker: char overlap across boundaries + hard-split of oversized paragraphs.
- Retrieval knobs: rag_top_k / rag_min_score in settings + Settings UI.
- Vector index: sqlite-vec ANN over document embeddings, dual-written and
  backfilled, with brute-force cosine as the guaranteed fallback.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
 2026-07-23 13:58:05 -05:00
jonandClaude Opus 4.8 ac0eb1e5f6 feat(rag): PDF/docx ingest + chat citations 
- Upload endpoint (base64 JSON, no multipart dep): extracts text from
  pdf/docx/txt/md via pypdf + python-docx, then runs the existing
  chunk/embed pipeline. Documents page uploads files straight through.
- Citations: the chat stream emits an SSE `sources` event listing the
  documents that fed the answer; the UI shows them as chips under the reply.
- Deps: pypdf, python-docx (both pure-Python, Windows-safe).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
 2026-07-23 13:48:32 -05:00
Jon Wingender 714b9fc890 Initial commit: NexusOS - local AI assistant platform 2026-07-21 22:48:38 -05:00