feat(cli): add --output-dir option to playwright-cli

[178inaba]

Summary

The --output-dir option is already available for the MCP server mode, but not for the CLI client (playwright-cli). When AI coding agents use playwright-cli across many repositories, snapshot files written to the default .playwright-cli/ directory show up as untracked files in git status. This PR adds --output-dir support to playwright-cli so users can redirect output files (snapshots, screenshots, etc.) to a directory outside the working tree.

• Add --output-dir to the CLI client option parsing (minimist) and forward it to the daemon process
• Register the option in the daemon's Commander definition and pass it through to configFromCLIOptions()
• Add --output-dir to global help output and the open command help schema
• Add tests verifying output files are written to the specified directory

Note on commands.ts quoting change

The existing property keys in the open command's options: z.object({}) were unquoted. Adding 'output-dir' (which requires quotes due to the hyphen) triggered ESLint's quote-props consistency rule, so all sibling keys were quoted to satisfy the linter.

Fixes #39792

[178inaba]

@microsoft-github-policy-service agree