v0.3.0

Changelog

• 78f78da docs(readme): Homebrew is live — correct the install command and close the gap
• 12347af docs(readme): lead with install/quick-start, add a Traditional Chinese translation
• 488fe74 docs(readme): rewrite the zh-TW translation in natural spoken Taiwanese Chinese
• 5a42234 docs(security): update the vulnerability-report contact email
• 71c95ad feat(policy): add agent-asset-protection rule family
• 486ab95 feat(policy): split rm -rf protection into critical vs medium risk tiers
• df3eed3 fix(shell): close command-wrapper, interpreter-script, pipeline-stage, and compound-command AST bypasses