Update commitment to VC scripts

fix: Round 17 audit — critical/high bug fixes (5 bugs, cross-checked)

fix: Round 14 — 28 Tier 1 + Tier 2 bugs fixed across 17 source files

fix: pre-release audit round 12 — 33 bugs fixed across all tiers

fix: try alternate TEXT columns before word-level fuzzy matching

fix: add word-level fuzzy SQL matching for country name variants

fix: SQL fuzzy matching fallback for country names with alternate forms

fix: strip trailing semicolons from LLM-generated SQL and add SQL-route fallback

fix: Round 8 audit — 15 bugs fixed across 10 files (1 CRITICAL, 7 HIGH, 3 MEDIUM, 4 LOW)

fix: 10 bugs (4 HIGH + 6 MEDIUM) from comprehensive codebase audit

fix: 7 bugs from multi-agent debug review of SQL layer

feat: add LLM-powered column descriptions with codebook detection

fix: fallback to KB meta overview when vector search returns no results

feat: add SQL routing, fallback, and context merging to retriever

fix: harden codebase against format injection, empty responses, and unsafe config access

feat: retrieve all relevant chunks using distance threshold

fix: increase top_k to 10 and remove last [N] from verification prompt

Initial commit: RAG Research Chatbot Template