fix: wrap description in quotes to fix YAML parse error

docs: simplify install to ClawHub only (GitHub skills add has compatibility issues)

docs: add ClawHub install command to README

Update README.md

revert: restore original Chinese README description

fix: update README description to match finalized skill description

feat: finalize skill description

feat: refine description - native OpenClaw capability as key differentiator

feat: add context injection as key differentiator in description

feat: highlight isolated session context as key differentiator

feat: improve skill description - highlight multi-agent collaboration and token efficiency

fix: remove all zero-width joiners from entire codebase

fix: remove zero-width joiner unicode char from coder emoji in SKILL.md

security: soften mandatory language in SKILL.md, add input trust notes to run.py

security: add design notes and template safety annotations