Update setup.py

Update setup.py

Update support for llama/HF models

Update llama model name

Update api-key access for llama model

Update setup.py

Update setup.py:

Update model support:

feat: switch to stable workhorse models (gpt-4.1, sonnet-4-6, gemini-2.5-flash)

feat: upgrade to GPT-5 series, increase default max_tokens to 8192

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: curated model lists, reasoning model token scaling, skip temp files

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

feat: add SQL layer config, gitignore, and setup test assertions

feat: add query understanding layer for better retrieval

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