feat(engine): Improve execution stalls troubleshooting, align dev and prod behavior, adding heartbeats.yield utility #3485

Job	Run time
typecheck / typecheck	6m 35s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 28s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	5m 8s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	2m 26s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	5m 21s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 37s
units / packages / 🧪 Unit Tests: Packages (1, 1)	4m 35s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	7m 26s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 31s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	5m 38s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	7m 57s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	2m 35s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	2m 55s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 44s
units / internal / 🧪 Unit Tests: Internal (7, 8)	4m 2s
units / internal / 🧪 Unit Tests: Internal (4, 8)	4m 59s
units / internal / 🧪 Unit Tests: Internal (2, 8)	4m 38s
units / internal / 🧪 Unit Tests: Internal (3, 8)	4m 1s
units / internal / 🧪 Unit Tests: Internal (6, 8)	3m 34s
units / internal / 🧪 Unit Tests: Internal (5, 8)	4m 12s
units / internal / 🧪 Unit Tests: Internal (8, 8)	1m 55s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	2m 30s
units / packages / 📊 Merge Reports	22s
units / internal / 📊 Merge Reports	24s
units / webapp / 📊 Merge Reports	42s
	1h 39m 15s

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