Promote staging -> main (2026-08-05)

[0xPlayerOne]

Environment promotion

Promote the validated staging environment into main.
This is a deployment-promotion PR, not the version-release PR.

• Source: staging
• Target: main
• Changes: 8 changes
• Created: 2026-08-05

Commit summary

• chore: refresh uv lock for 0.29.12 (100bb74)
• test: keep desktop fixtures aligned with releases (4b90fbc)
• fix(desktop): label Slack OAuth terminal summaries (3a34745)
• docs: refresh v0.29.13 desktop evidence (a547e29)
• test: derive desktop footer version expectations (85e9d2f)
• chore: align uv lock with release version (4b01cd6)
• feat(desktop): add verified database backup controls (6646680)
• test(web): derive desktop mock versions from fixtures (6240373)

Validation

• Required CI, test, security, and CodeQL checks must pass before merge.
• Merge using the repository's configured merge_strategy (rebase).
• The promotion topology requires rebase; never merge a promotion PR with a merge commit.
• After merge, Release Please opens a separate versioned release PR with the changelog.

[0xPlayerOne]

Superseded by PR #472. The protected staging branch could not be force-rebased; #472 is an exact-tree linear promotion snapshot based on main and preserves the required staging content without bypassing repository rules.