roast-bot: roast for desertaxle

[devin-ai-integration]

Summary

Roast-bot weekly run for desertaxle. No dev-log post in the last 7 days, so a roast was generated.

Roasts PR #22109 — "Add Redis cleanup queue backend to prefect-redis" — a 1473-line, 16-commit hand-rolled message broker built on Redis WATCH/MULTI transactions. Key roast targets: the Lua→WATCH/MULTI rewrite arc, the same race condition discovered three times, two separate "Simplify" commits, and legacy compatibility code for unreleased code.

Also updates data/roast_bot.json with the current run timestamp.

Link to Devin session: https://app.devin.ai/sessions/078fd3deed064ed292161cab8427f5f1
Requested by: @desertaxle

[devin-ai-integration]

🤖 Devin AI Engineer

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