feat: add natural multilingual README quality gate

[JNHFlow21]

Summary

• require translated READMEs to read naturally in the target language while preserving semantic parity with the canonical document
• add a Simplified Chinese-specific quality checklist for headings, terminology, maintainer-only detail, and stale version drift
• make Repository Pulse output only the linked chart instead of adding a generic GitHub Traffic disclaimer in English or translated READMEs
• remove the same generic paragraph from this Skill's English and Chinese README

Validation

• 10 unit tests passed
• compileall passed
• strict public-surface and Gitleaks history audit passed
• forbidden English and Chinese disclaimer sentences are absent
• git diff --check passed

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Update citation metadata for the 0.1.2 release

This declares 0.1.2 as a dated release, but CITATION.cff still advertises version: 0.1.1. If v0.1.2 is tagged from this revision, citation tools and GitHub's citation UI will therefore provide stale release metadata; update the CFF version alongside the changelog, as was done for 0.1.1.

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