add HF Spaces Docker deployment

Digital FTE Hardening: Fast-Path Crawling, Content Dedup, Session-Locked Admin, XSS Protection, and Watchdog AI Brain.

Admin UI & Engine Optimization: Added Smart Crawl (Sitemap Inspection & LLM-based URL Rating), implemented dynamic Context Budgeting per LLM provider, and enhanced crawl concurrency.

Integrated Unified Digital FTE Features: Enhanced Playwright crawler for Shopify/e-commerce, upgraded UI with SSE streaming & Rich Cards, added CSAT surveys, and corrected agentfactory crawl parameters.

Upgrade to Universal Digital FTE Platform: Multilingual Brain, Premium UI, and Stealth Crawler

feat: enable UI-based website crawling and repository management, standardize admin auth, and fix test suite

Initial commit - Cloud-Native Enterprise RAG SaaS