docs: add Known Issues section — passive arch, agent onboarding, task cleanup

docs: rewrite agent integration docs + architecture in README

style: use code blocks instead of blockquotes for AI prompts — easy copy-paste

style: remove all details/summary toggles — content fully visible

feat: LLM memory cleanup on uninstall + remove all hardcoded paths from README

fix: remove all hardcoded install paths — auto-detect project dir

fix: CORS blocking LAN access — now reads CORS_ORIGINS env var

feat: ask for workspace path during setup (fixes path detection)

fix: auto-detect OPENCLAW_CONFIG and WORKSPACE_ROOT paths

docs: comprehensive features section in README

feat: complete lifecycle — status, switch-mode, update, uninstall, DB backup

feat: production-hardened deployment — OS detection, interactive mode, port handling, troubleshooting docs

feat: one-command AI-driven setup — setup.sh auto-install + OpenClaw one-liner prompt

feat: production-ready deployment — PM2 support, local/LAN mode, boot persistence, comprehensive docs

feat: support remote LAN access — auto-detect hostname, configurable CORS and HOST