feat(e2e): MSW cassette layer for hermetic e2e tests #961

Job	Run time
js-build	2m 38s
lint	28s
formatting	40s
js-test (windows-latest, 20)	3m 20s
dead-code	33s
ensure-pinned-actions	5s
js-smoke-discover	3s
e2e-hermetic	3m 57s
check-typings	1m 49s
js-test (windows-latest, 22)	3m 20s
js-test (ubuntu-latest, 20)	2m 35s
temporal-js (22)	1m 43s
templates-nunjucks-js (20)	1m 48s
otel-js (20, otel-v2)	3m 19s
JS Zod Versions (4.2.1)	1m 57s
templates-nunjucks-js (22)	1m 45s
otel-js (20, otel-v1)	2m 49s
temporal-js (20)	1m 53s
js-test (ubuntu-latest, 22)	2m 25s
js-api-compatibility (20)	3m 58s
otel-js (22, otel-v2)	2m 54s
JS Zod Versions (3.25.34)	1m 57s
otel-js (22, otel-v1)	2m 54s
js-smoke-test (cloudflare-vite-hono-vite-dev)	1m 1s
js-smoke-test (cloudflare-worker-browser-no-compat)	49s
js-smoke-test (cloudflare-vite-hono-wrangler-dev)	1m 4s
js-smoke-test (cloudflare-worker-node-compat)	1m 4s
js-smoke-test (templates-nunjucks/node-esm)	56s
js-smoke-test (cloudflare-vite-hono-vite-dev-node-esm)	1m 1s
js-smoke-test (templates-nunjucks/jest)	47s
js-smoke-test (playwright-browser)	15m 16s
js-smoke-test (cloudflare-worker-browser-compat)	1m 1s
js-smoke-test (cloudflare-worker-node-no-compat)	1m 17s
js-smoke-test (templates-nunjucks/nextjs)	1m 19s
js-smoke-test (templates-nunjucks/deno-node)	1m 11s
js-smoke-test (otel-js/otel-v1)	55s
js-smoke-test (browser-main-package)	15m 15s
checks-passed	3s
	1h 31m 49s

Provide feedback