docs(changelog): sync full changelog from tego-standard

[baizixv]

Automatically sync full changelog files from tego-standard repository to ensure consistency. This PR overwrites the changelog files in docs repository with the complete changelog from tego-standard repository.

Summary by CodeRabbit

• Documentation
  • Documented v1.6.5 release with comprehensive changelog updates across English and Chinese versions
  • v1.6.5 includes enhanced cron job execution with distributed lock support and critical fixes for multi-app context handling that improves overall system reliability

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Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

Documentation updates to both English and Chinese changelog files adding a new v1.6.5 release entry documenting cron distributed lock implementation and multi-app context fix, while updating unreleased references.

Changes

Cohort / File(s)	Summary
Changelog Documentation docs/en/changelog/changelog.md, docs/zh/changelog/changelog.md	Added new [1.6.5] release entry (dated 2026-01-08) with cron distributed lock feature and multi-app context fix. Updated unreleased section reference from v1.6.4 to v1.6.5 and added corresponding release tag links.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 Hop, hop! A new release takes flight,
Version 1.6.5 shines so bright,
Cron locks dance, contexts align,
Changelog entries in line! ✨

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between c12a819 and 81041f7.

📒 Files selected for processing (2)

• docs/en/changelog/changelog.md
• docs/zh/changelog/changelog.md

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