Update assistant persona to Mintoak Website Assistant, add evaluation scripts and update data

Limit sources returned to top 1-2 and add scraping scripts

Update leadership information, separate CTO query rules, and rebuild DB

Update KB addresses, dynamic aggregation, and increase chunk size

Update Knowledge Base with scraped non-blog/non-product pages and add scraper agent skill

Enhance retrieval filters, add career/address rules, increase max chunk size, and rebuild data

feat: integrate fine-tuned Qwen 2.5 1.5B persona and evaluator parity

formated the output

Update codebase and configure automatic environment switcher (excluding MLX adapters)

Deploy RAG chatbot with auto-population