fix language detection: add word-level lookup for short common words

fix language detection: reduce ambiguity threshold from 6 to 3 chars

fix language confusion and hallucinations: centralized resolver + deterministic abstention

fix footer overlapping input: add 32px bottom padding to shell and login page

add security & privacy declaration footer to login and chat pages

fix language switching and hallucination in answer generation

fix language switch on abstention: remove hardcoded French examples from prompts

add comprehensive technical documentation

fix SSE cut responses on remote PCs: add anti-buffering headers

Phase 1 RAG reliability: abstention, MMR dedup, window expansion, indexing, dedup

major quality upgrade: 12 improvements across retrieval, citations, UX

fix language switching: move language rule out of list and make it non-negotiable

extend conversation memory window from 2 turns to 5 turns

separate vision credentials from text generation fallback

remove detail:high from vision request for HF inference API compat

trigger rebuild

raise vision threshold and chunk size for better ingestion

replace Docling with vision LLM for universal PDF parsing

OCR pages with embedded images when text is sparse

add LLM fallback provider when Groq hits quota or rate limit

update friendly 429 message wording (linter tweak)

show friendly French message on Groq 429 rate limit

fix 413 rate limit and annex retrieval misses

feat: wire Docling into ingestion path with PyMuPDF fallback

fix: history-aware retrieval, reranker re-enabled

add .xlsm support and store diagnostic script

fix: detect borderless PDF tables and clean up garbled cells

reliability: safe abstention, universal Excel embed, reranker default off

feat: context budget packing, LLM classifier, reranker, multi-query, dual Excel ingestion

fix: improve retrieval depth and answer quality (4 fixes)

fix: reduce top_k to 4 and cap chunk chars to stay under Groq 6000 TPM limit

fix: tighten Julia system prompt to prevent hallucination on missing products

add Turso persistent conversations storage

fix delete: add logger, create doc_id payload index for Qdrant Cloud

fix delete 500: safe Qdrant/DuckDB/file cleanup

hide SQL query from chat response

fix SQL answer not shown; show Excel in documents list

make upload page scrollable

update empty chat message in FR and EN

add HF Space metadata

initial