feat(sdk): expose user-provided idempotency key and scope in task context #4170

Job	Run time
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 51s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	3m 40s
typecheck / typecheck	6m 19s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 55s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 17s
units / packages / 🧪 Unit Tests: Packages (1, 1)	8m 6s
units / internal / 🧪 Unit Tests: Internal (2, 8)	9m 41s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 40s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	3m 13s
units / internal / 🧪 Unit Tests: Internal (5, 8)	3m 55s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	5m 45s
units / internal / 🧪 Unit Tests: Internal (7, 8)	5m 11s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 30s
units / internal / 🧪 Unit Tests: Internal (3, 8)	5m 52s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	6m 23s
units / internal / 🧪 Unit Tests: Internal (4, 8)	5m 8s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	6m 9s
units / internal / 🧪 Unit Tests: Internal (6, 8)	4m 33s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	3m 52s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	7m 30s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 58s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 39s
units / webapp / 📊 Merge Reports	42s
units / packages / 📊 Merge Reports	21s
units / internal / 📊 Merge Reports	23s
	1h 50m 33s

Provide feedback