feat(cli): auto-cancel dev runs on CLI exit via detached watchdog #4969

Job	Run time
sdk-compat / Cloudflare Workers	2m 3s
sdk-compat / Deno Runtime	2m 2s
sdk-compat / Node.js 20.20 (ubuntu-latest)	2m 5s
typecheck / typecheck	6m 22s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 7s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 6s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 44s
sdk-compat / Bun Runtime	2m 4s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 44s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	3m 31s
units / packages / 🧪 Unit Tests: Packages (1, 1)	8m 57s
units / internal / 🧪 Unit Tests: Internal (4, 8)	5m 33s
units / internal / 🧪 Unit Tests: Internal (5, 8)	4m 16s
units / internal / 🧪 Unit Tests: Internal (6, 8)	5m 45s
units / internal / 🧪 Unit Tests: Internal (8, 8)	6m 14s
units / internal / 🧪 Unit Tests: Internal (7, 8)	4m 58s
units / internal / 🧪 Unit Tests: Internal (2, 8)	10m 19s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 34s
units / internal / 🧪 Unit Tests: Internal (3, 8)	10m 8s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 29s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	2m 41s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	6m 3s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	6m 15s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	3m 56s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 54s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 21s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	8m 10s
units / webapp / 📊 Merge Reports	44s
units / packages / 📊 Merge Reports	17s
units / internal / 📊 Merge Reports	21s
	2h 10m 43s

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