2026-06-12 — knowledge-base prep toolkit

faq_sheet_to_jsonl.py — FAQ CSV → clean JSONL chunks (validates 1-1-1 rule, drops expired promos, dedupes)
thai_chunker.py — Thai-aware chunker: structure-first, sentence-safe splits, overlap (no deps)
kb_freshness_audit.py — flag KB entries untouched > 60 days + expired promos (cron-ready exit codes)
kb_coverage_gap.py — mine real chat logs for questions your KB doesn't cover yet (difflib, no embeddings)
kb_lint.js — CI linter for the 1-1-1 rule: dangling refs, priceless price answers, dupes, promo without expiry
qdrant_upsert_kb.py — idempotent kb.jsonl → Qdrant upsert via any OpenAI-compatible embeddings endpoint

Interactive: KB readiness checker — paste your FAQ sheet, get a score + fix list