chore: ignore Playwright MCP artifacts

[exKAZUu]

Customer Summary

• Generated .gitignore files now exclude Playwright MCP local artifacts.
• Developers and agents using Playwright MCP will avoid accidentally surfacing those temporary files in repository status.
• No migration or rollout steps are required.

Technical Summary

• Added .playwright-mcp/ to the shared wbfy gitignore generator content.
• The change is limited to packages/wbfy/src/generators/gitignore.ts.
• No runtime behavior or package dependencies were changed.

Why

• Playwright MCP can create local working artifacts that should not be committed.
• Keeping the pattern in the generator makes future generated .gitignore files consistent across repositories.

Testing

• yarn verify
• Pre-commit hook: oxfmt and oxlint on the changed file
• Pre-push hook: package oxlint --quiet checks

[gemini-code-assist]

Code Review

This pull request updates the gitignore generator in packages/wbfy/src/generators/gitignore.ts to include .playwright-mcp/ in the common ignored patterns. There are no review comments, and I have no feedback to provide.

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