docs: update README files to clarify the roles of the SSOT components enhance descriptions of Agent Skills, and introduce the Drawkit for architecture visualization. Improve consistency in terminology and structure across both English and Korean versions.

[qjrm1430]

🚀 PR Type (Required)

Select one and delete the others:

• 🎯 Ready for Review - All quality checks passed, ready for merge
• 🔄 Draft/WIP - Early feedback welcome (tests/docs may be incomplete)
• ⚡ Quick Fix - Urgent fix requiring expedited review

Proact0 Culture: We value early collaboration! Draft PRs are encouraged for complex changes.

---

📝 Summary

📄 Description

🔗 Issue / Dependencies / Mentions

• Issue:
• Dependencies:
• SNS handle:

💪 Ownership (Required)

• Hand-raise: I will monitor the impact of this change and take responsibility for follow-up issues

Extreme Ownership: At Proact0, we track not just code changes, but their impact on team productivity.

✅ Quality Checks (Required for "Ready for Review" only)

• uv run ruff check . passed
• uv run pytest -q passed

Draft/WIP PRs: Skip quality checks for early feedback - just mark as Draft!

💡 Notes (Optional)

🔗 Related Issue(s)