docs: README revamp + assets#2

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lucaszhu-hue:feat/readme-seo-optimization

Commits on Jun 9, 2026

docs: README revamp + assets (per 已有 Repo 优化 to-do)

lucaszhu-hue
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claude
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Commits on Jun 10, 2026

fix: address Lark spec audit gaps (TOC, More Atlas Cloud Tools 7 bullets, UTM, .env.example)
lucaszhu-hue
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docs: add hero screenshot TODO placeholder at end of README
lucaszhu-hue
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