Add comprehensive webapp testing skills #5352

Job	Run time
typecheck / typecheck	6m 22s
sdk-compat / Cloudflare Workers	2m 14s
sdk-compat / Bun Runtime	1m 59s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 1s
sdk-compat / Deno Runtime	1m 58s
sdk-compat / Node.js 20.20 (ubuntu-latest)	2m 1s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	5m 15s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	3m 22s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 52s
units / packages / 🧪 Unit Tests: Packages (1, 1)	9m 7s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 2s
units / internal / 🧪 Unit Tests: Internal (5, 8)	6m 17s
units / internal / 🧪 Unit Tests: Internal (7, 8)	5m 15s
units / internal / 🧪 Unit Tests: Internal (4, 8)	6m 3s
units / internal / 🧪 Unit Tests: Internal (6, 8)	10m 2s
units / internal / 🧪 Unit Tests: Internal (2, 8)	12m 39s
units / internal / 🧪 Unit Tests: Internal (1, 8)	6m 42s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 40s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 15s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 12s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	5m 54s
units / internal / 🧪 Unit Tests: Internal (3, 8)	8m 36s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	8m 3s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 51s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	6m 0s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 46s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	4m 4s
units / webapp / 📊 Merge Reports	52s
units / packages / 📊 Merge Reports	21s
units / internal / 📊 Merge Reports	22s
	2h 18m 7s

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