docs: refresh CLAUDE.md

[eprouveze]

Light template-alignment pass + review-date bump. Fleet CLAUDE.md refresh (card c-claudemd-project-sweep).

Summary by CodeRabbit

• Documentation
  • Updated operational guidance for SQLite imports and sync handling.
  • Clarified which tables must not be modified by import/sync processes.
  • Refreshed the review date in the project guidance.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 196b46e6-83e1-4334-b65e-39bc7e499460

📥 Commits

Reviewing files that changed from the base of the PR and between 1734cc0 and a49e29a.

📒 Files selected for processing (1)

• CLAUDE.md

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📝 Walkthrough

Walkthrough

The PR updates the "Danger zones" section of CLAUDE.md with additional data-safety guidance for SQLite imports, listing tables that import/sync code must not modify, and updates the "Last reviewed" date.

Changes

Documentation update

Layer / File(s)	Summary
Danger zone guidance CLAUDE.md	Adds cautions about backing up SQLite before import, avoiding destructive migrations without a manual copy, lists protected user-owned tables, and updates the last-reviewed date.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the PR as a documentation refresh for CLAUDE.md.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/claude-md-refresh-2026-07

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