Split CI into four parallel jobs

[yatesjalex]

Summary

• Replaces the single sequential typecheck / test / build / playwright job with four independent jobs that run in parallel
• typecheck, test, build, and playwright each get their own runner — all start at the same time
• Playwright uses pnpm dev (not the build output), so it has no dependency on the build job and can run fully in parallel
• Each job shares the same pnpm store cache key, so installs stay fast

Test plan

• Verify all four checks appear separately in the PR checks UI
• Confirm wall-clock time is shorter than the old single job

🤖 Generated with Claude Code

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Note

Low Risk
Low risk: changes are limited to GitHub Actions workflow structure and caching, with no impact on runtime application code. Main risk is CI behavior differences (e.g., missing implicit ordering between steps) causing unexpected failures or longer runtimes.

Overview
Refactors CI from a single sequential job into four parallel jobs: typecheck, test, build, and playwright, each running on its own runner.

Adds workflow-wide defaults.run.shell: bash, standardizes per-job pnpm setup with a shared pnpm store cache key/restore key, and scopes ANTHROPIC_API_KEY to only the build and playwright jobs while keeping Playwright trace upload-on-failure.

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Project	Deployment	Actions	Updated (UTC)
super	Ready	Preview, Comment	Apr 23, 2026 5:05am