Add ci pipeline

[erseco]

This pull request enhances the CI workflow by adding support for end-to-end (E2E) testing using Playwright. The main changes include installing Playwright, running E2E tests, and uploading test artifacts if failures occur.

E2E Testing Integration:

• Added steps to install npm dependencies and Playwright in the CI workflow (.github/workflows/ci.yml).
• Added a step to run E2E tests using make test-e2e with the CI environment variable set.

Artifact Handling:

• Configured the workflow to upload Playwright test artifacts to GitHub Actions when E2E tests fail, retaining them for 7 days.

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Avoid npm ci without package-lock

The new Playwright setup runs npm ci, but the repository does not include a package-lock.json or npm-shrinkwrap.json and npm ci refuses to run without one (per npm help ci), so this step will exit with EUSAGE before installing dependencies. That makes the CI job fail before Playwright is installed or any E2E tests run; use npm install or add a lockfile to keep the workflow passing.

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