docs: group Terraform drift tutorials under a subsection

[mintlify]

Groups the two drift-detection tutorials under a new Detecting Terraform drift subsection inside the Security tutorials group:

• tutorials/detecting_unexpected_statefile_changes
• tutorials/detecting_non_terraform_changes

tutorials/rotating_api_keys stays at the top level of Security.

Page review

Both pages are in good shape — mirrored structure (intro → mechanism → prerequisites → kosli-dev/tf setup → hardening → checklist → related), symmetric cross-links, and each explicitly names the drift type the other page covers. No content changes needed.

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Requested by: marko@kosli.com via Slack
Mintlify session: slack_1783096596.150999_C0AJTQ5633K

[claude]

Claude finished @mintlify[bot]'s task in 1m 7s —— View job

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PR Review

• Gather context — read diff, changed files, and CLAUDE.md
• Review navigation changes in config/navigation.json
• Verify deleted file tutorials/unauthorized_iac_changes.md
• Check for broken links or navigation issues
• Post review findings

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Overall: This PR looks good. Two clean, low-risk changes — a nav restructure and a file deletion — with no issues found.

config/navigation.json

The two Terraform drift tutorials are correctly nested under a new "Detecting Terraform drift" sub-group inside "Security", and tutorials/rotating_api_keys stays at the top level. All three referenced pages (detecting_unexpected_statefile_changes, detecting_non_terraform_changes, rotating_api_keys) exist as .mdx files. Structure and JSON syntax are valid. No issues.

tutorials/unauthorized_iac_changes.md (deleted)

• The page was already absent from config/navigation.json on main, so this deletion is cleanup of an orphaned file.
• A redirect from /tutorials/unauthorized_iac_changes → /tutorials/detecting_unexpected_statefile_changes already exists in config/redirects.json (line 7), so any existing links or bookmarks will still resolve.
• No other .md/.mdx files reference unauthorized_iac_changes.
• The images referenced in the deleted page (authorized-iac-change.png, unauthorized-iac-change.png) don't exist in the repo, so no orphaned assets are left behind.

No critical issues, improvements, or suggestions.

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Project	Status	Preview	Updated (UTC)
kosli	🔴 Failed	–	Jul 3, 2026, 4:52 PM