Add CI timeouts and diagnostics

[kvz]

Why

PR #25 had to be admin-merged because unrelated Browser tests and Convex deployment QA jobs stayed in progress without enough diagnostics to tell whether Playwright install, Convex deploy, Vercel preview resolution, or cloud verification was stuck. The first run of this PR confirmed the old opaque hang: Playwright's Chromium installer reached 100% download and never returned.

What changed

• Added job-level timeouts to the browser and Convex QA jobs.
• Added step-level timeout wrappers around local verification, Convex deploy, Vercel preview resolution, and cloud verification.
• Added command-level timeout support to the QA run() helper.
• Added bounded timeouts around package packing, fixture install, Convex deploy, Convex env updates, browser build, and e2e tests.
• Added stderr diagnostics for Vercel preview URL resolution while preserving stdout as the resolved URL.
• Avoided the flaky Playwright Chromium installer in GitHub-hosted CI by using the runner's installed Chrome channel for e2e runs. Local/default runs still use Playwright's bundled Chromium unless PLAYWRIGHT_CHROMIUM_CHANNEL is set.

Validation

• git diff --check
• Ruby YAML parse for .github/workflows/*.{yml,yaml}
• yarn check

Closes #26

[vercel]

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Project	Deployment	Actions	Updated (UTC)
convex	Ready	Preview, Comment	Jun 9, 2026 9:06am