Serialize metadata to prevent invalid data from breaking run completions #3043

Job	Run time
typecheck / typecheck	1m 30s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 2s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 34s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	1m 22s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	44s
units / packages / 🧪 Unit Tests: Packages (1, 1)	1s
units / internal / 🧪 Unit Tests: Internal (1, 8)	1s
units / webapp / 🧪 Unit Tests: Webapp (3, 10)	1m 33s
units / internal / 🧪 Unit Tests: Internal (5, 8)	1m 35s
units / webapp / 🧪 Unit Tests: Webapp (4, 10)	1s
units / webapp / 🧪 Unit Tests: Webapp (2, 10)	1m 33s
units / internal / 🧪 Unit Tests: Internal (3, 8)	1s
units / webapp / 🧪 Unit Tests: Webapp (7, 10)	1s
units / internal / 🧪 Unit Tests: Internal (8, 8)	1m 21s
units / webapp / 🧪 Unit Tests: Webapp (6, 10)	1m 21s
units / webapp / 🧪 Unit Tests: Webapp (1, 10)	1m 32s
units / webapp / 🧪 Unit Tests: Webapp (10, 10)	1m 21s
units / webapp / 🧪 Unit Tests: Webapp (9, 10)	1m 23s
units / internal / 🧪 Unit Tests: Internal (2, 8)	1m 21s
units / webapp / 🧪 Unit Tests: Webapp (5, 10)	1m 31s
units / internal / 🧪 Unit Tests: Internal (4, 8)	1s
units / internal / 🧪 Unit Tests: Internal (7, 8)	1m 21s
units / internal / 🧪 Unit Tests: Internal (6, 8)	1s
units / webapp / 🧪 Unit Tests: Webapp (8, 10)	1s
units / packages / 📊 Merge Reports	1s
units / internal / 📊 Merge Reports	1s
units / webapp / 📊 Merge Reports	1s
	22m 15s

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