fix: migrate up-check from Puppeteer to Playwright

[adrianschmidt-bot]

The v2 migration added "type": "module" to package.json, which broke the CommonJS check script (ReferenceError: require is not defined in ES module scope).

Instead of working around it, this migrates to Playwright which is already a project dependency.

Changes:

• Replace Puppeteer with Playwright in the check script
• Use the shared set-up-node action and npm ci instead of ad-hoc Puppeteer install
• Install only the chromium browser needed for the check

Summary by CodeRabbit

• Chores
  • Upgraded website health check infrastructure and browser automation tooling for improved reliability.
  • Enhanced error detection and recovery mechanisms in validation workflows.
  • Increased retry thresholds in health check validations to improve consistency.
  • Streamlined CI/CD dependency installation and environment setup process.

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📥 Commits

Reviewing files that changed from the base of the PR and between 194d2f7 and 7cdb2c0.

📒 Files selected for processing (2)

• .github/workflows/check-website.js
• .github/workflows/up-check.yml

📝 Walkthrough

Walkthrough

The pull request migrates website checking automation from Puppeteer to Playwright. Changes include updating the browser automation library in the workflow script, refactoring from IIFE to top-level async/await, and modifying the GitHub Actions workflow configuration to install Playwright dependencies instead of Puppeteer.

Changes

Cohort / File(s)	Summary
Website Check Script .github/workflows/check-website.js	Migrated from Puppeteer to Playwright for browser automation. Refactored code structure from IIFE to top-level async with try/catch/finally. Updated navigation to use networkidle instead of networkidle0, replaced waitForSelector with locator-based approach, and improved error handling with explicit browser cleanup in finally block.
Workflow Configuration .github/workflows/up-check.yml	Replaced setup-node action with custom action path, removed Puppeteer installation in favor of npm ci and Playwright chromium installation. Removed GITHUB_TOKEN environment exposure from the Check Website Content step and increased curl healthcheck retry count from 3 to 5.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: migrating the up-check workflow from Puppeteer to Playwright, which is the primary objective of the PR.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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[adrianschmidt]

We probably want to cache this, right?

[adrianschmidt-bot]

Good call! Added caching for the Playwright browser binaries (~/.cache/ms-playwright). On cache hit it skips the browser download and only installs system deps.