docs(architect): release v2.7.1 — modernize README design, table of contents, badges & document 6-axis review protocol

[alwkala]

🏛️ Summary & Scope

This PR introduces v2.7.1 of the TidyFactor Skill Architect, delivering a comprehensive documentation and design elevation across both Canonical English (README.md) and Native Arabic (README.ar.md) while retaining 100% of existing technical architectures.

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📦 Key Enhancements

1. 8-Language Switcher Navigation:
   • Added top navigation linking Canonical English, Arabic, Spanish, French, German, Portuguese, Simplified Chinese, and Persian.
2. Above-the-Fold Quick Start:
   • 3-command instant onboarding block in the first 30 lines for zero-friction developer adoption.
3. Comprehensive Clickable Table of Contents:
   • Complete outline mapping all architectural layers, commands, rules, and installation workflows.
4. Full Documentation of the 6-Axis Periodic Review Protocol (v2.7.0):
   • Added unified review command to the operational command table.
   • Codified the 6 evaluation axes and the 100-point audit rubric (Grade A/B/C thresholds).
5. Scannable Markdown Tables:
   • Transformed commands, 15 structural rules, and 13 automated integrity validator checks into scannable comparison tables.
6. Native Arabic RTL Alignment:
   • Wrapped README.ar.md inside <div dir="rtl"> container for authentic typography.
7. Atomic SemVer Synchronization (v2.7.1):
   • Synchronized across package.json, .tidyfactor, brand.yaml, brand.json, CHANGELOG.md, README.md, and README.ar.md.

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🧪 Verification & Integrity Checks

• python tools/validate_skill.py passed with 100% success (13/13 Checks Passed).
• npm run build compiled archives: dist/tidyfactor-skill-architect-v2.7.1.skill (83.3 KB).
• Synchronized to .agents/skills/tidyfactor-skill-architect and ~/.gemini/config/skills/tidyfactor-skill-architect.