Added a new 'Repository Vision' section to the English README, clarifying the project's goals and benefits. Expanded deployment instructions with more details and recommendations, especially for Cloudflare Workers. Minor wording improvements and consistency updates in the Chinese README and SECURITY.md.
CODE_OF_CONDUCT.md and SECURITY.md have been translated into Chinese and significantly expanded. The security policy now includes detailed vulnerability reporting instructions, supported versions, security features, best practices, checklists, update procedures, and emergency contact information. The code of conduct is now fully localized and retains all original guidelines and enforcement procedures.
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