feat: add Playwright device emulation subagent (t098)

[marcusquinn]

Summary

• Adds Playwright device emulation capabilities to the browser automation subagent
• Updates browser-automation.md decision tree with device emulation guidance
• Updates playwright-cli.md with device emulation CLI patterns
• Updates subagent-index.toon with new capability reference

Task

t098 - Playwright Device Emulation Subagent

Summary by CodeRabbit

• Documentation
  • Introduced device emulation capabilities for browser automation, enabling simulation of viewport settings, touch interactions, geolocation, locale preferences, dark mode, and offline environments
  • Added guided decision tree documentation for device emulation selection
  • Expanded related resource links for Playwright tools across documentation

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[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This PR updates the browser automation tooling documentation and configuration by adding Playwright CLI and emulation sub-tools to the agent index, extending browser automation decision trees with device emulation guidance, and establishing cross-references between Playwright-related documentation pages.

Changes

Cohort / File(s)	Summary
Agent Configuration & Registration .agents/subagent-index.toon	Registered two new Playwright sub-tools (playwright-cli and playwright-emulation) under the browser automation tool entry.
Browser Tool Documentation Suite .agents/tools/browser/browser-automation.md, .agents/tools/browser/playwright-cli.md	Extended browser automation decision tree with device emulation option and feature matrix; added related documentation cross-references to playwright-cli documentation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related issues

• t098: Add Playwright device emulation subagent #519: Directly implements the playwright device-emulation subtool and corresponding documentation referenced in this PR's additions.

Possibly related PRs

• feat(browser): add playwright-cli subagent for AI agent automation #196: Updates browser tooling docs to register and document the playwright-cli subagent entry.
• docs: update browser tool docs with benchmarks and add benchmark agent #163: Modifies browser tooling documentation and Playwright-related references to expand tool capability coverage.

Poem

🎭 A playwright takes the stage so grand,
With CLI tools and emulation at hand,
Device presets dance in harmony's glow,
Through docs cross-linked, let knowledge flow,
Zero debt maintained, our standards show! ✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/t098

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[github-actions]

🔍 Code Quality Report

�[0;35m[MONITOR]�[0m Code Review Monitoring Report

�[0;34m[INFO]�[0m Latest Quality Status:
SonarCloud: 0 bugs, 0 vulnerabilities, 36 code smells

�[0;34m[INFO]�[0m Recent monitoring activity:
Sun Feb 8 07:23:41 UTC 2026: Code review monitoring started
Sun Feb 8 07:23:42 UTC 2026: SonarCloud - Bugs: 0, Vulnerabilities: 0, Code Smells: 36

📈 Current Quality Metrics

• BUGS: 0
• CODE SMELLS: 36
• VULNERABILITIES: 0

Generated on: Sun Feb 8 07:23:44 UTC 2026

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Generated by AI DevOps Framework Code Review Monitoring

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud