Fable nailed my production YOLO infra migration

One orchestrator prompt, six platform swaps, and a real production cutover on kentcdodds.com — the workflow, the review loop, the perf scare, and where the agents were wrong.

(00:00) - One prompt, 40,000 lines
(00:44) - The site and why migrate
(06:38) - PR #813 — 483 files
(07:09) - Kickoff prompt anatomy
(11:35) - Orchestrate with subagents
(16:13) - Steering + scope expansion
(21:33) - Three-layer review
(23:22) - Kody closes the loop
(25:24) - The performance scare
(30:22) - Merge and cutover
(33:51) - Cleanup waves
(37:44) - Was 40k lines worth it?
(39:40) - Homework: try orchestration

Kent walks through how AI agents moved kentcdodds.com from fly.io to Cloudflare Workers — database, ORM, images, email, MDX pipeline, and more — from a single orchestrator prompt plus steering, subagent swarms, three-layer review, and Kody closing every loop. Includes the performance scare that almost killed the migration, the post-cutover cleanup waves, and an honest rollup of four agent-driven PRs (about 40,000 lines changed).

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