fix: rewrite .npmrc prefix on every start to match current CLAW_USER

docs: add bundled versions to Docker Hub overview with auto-update script

feat: add user-local npm prefix for non-root skill installs via clawhub

docs: document OPENCLAW_VERSION build arg in all READMEs and .env

docs: add support links to Docker Hub overview

docs: sync openclaw.json example with actual config, add browser/plugin docs

feat: add policy-based display targeting for VNC/RDP session switching

refactor: extract inline configs to files, add browser support and simplify VNC passwd

docs: unify GUIDE_FOR_BEGINNERS naming convention and update Gateway description

fix: allow Gateway health check over Docker internal network

docs: update file structure section in all READMEs

docs: add Docker Hub overview as managed file

fix: update Dockerfile COPY path after project restructure

docs: add architecture diagrams and reorganize project structure

fix: copy XFCE system defaults to preserve panel layout for new users