Introduce Playwright for Component Testing

[Copilot]

Playwright Integration Plan

• Install Playwright and required dependencies
• Configure Playwright for Angular component testing
• Create directory structure for Playwright tests
• Implement 2 example component tests (cps-button, cps-chip)
• Create design document at /docs/testing/playwright-approach.md
• Update package.json with test scripts
• Verify tests run locally (all 11 tests passing)
• Add Playwright README and update main README
• Update .gitignore for Playwright artifacts
• Address code review feedback for test reliability
• Fix lint/formatting errors

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[github-actions]

Coverage report for library

St.❔	Category	Percentage	Covered / Total
🔴	Statements	29.31%	1832/6250
🔴	Branches	23.06%	482/2090
🔴	Functions	24.57%	329/1339
🔴	Lines	30.14%	1733/5749

Test suite run success

414 tests passing in 20 suites.

Report generated by 🧪jest coverage report action from f716540

[lukasmatta]

@copilot Fix lint error

[Copilot]

@copilot Fix lint error

Fixed all Prettier/ESLint formatting issues in the Playwright configuration and test files. The changes include proper multi-line formatting for chained method calls and removal of trailing commas where appropriate. (f716540)

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• download.cypress.io
  • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node node index.js --exec install ptional-packages (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)