Chaos engineering Q1 game-day run

[thefiredev-cloud]

Context

Chaos plan landed in 0b365c6 (PR #48). Execute first game-day drill per plan.

Acceptance criteria

• Game-day date scheduled and communicated
• Scenario(s) picked from plan (e.g., Supabase outage, Voyage AI rate-limit, Netlify fn cold start storm)
• Run conducted with observability on
• Postmortem authored (blameless)
• Action items opened as follow-up issues

Blocker

None. Plan committed with PR #48.

Related planning docs

• docs/plans/chaos-engineering.md