fix: ensure litellm is installed for LLM backend, .env never overrides HuggingFace secrets, add /ping endpoint

docs: comprehensive deployment guide, HITL flow, CI/CD explanation, updated README

feat: add Docker + HuggingFace Spaces deployment pipeline

feat(core): integrate core modules, update UI and docs

chore: security audit, fix API leak, and update gitignore

fix: Remove unused vars to fix Vercel strict TS build

Update AgentIC: Verification standards, Documentation, and Strict LLM Policy

Refactor: Restructure project into docs/ and artifacts/; Update CLI with background hardening and strict Verilog standards