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docs(agent): prefer accessibility_snapshot for element identification

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Updated agent guidelines to specify the use of accessibility_snapshot over visual screenshots for element identification. Accessibility snapshots provide structured DOM/ARIA data, which is more reliable for browser automation than pixel-based visual analysis.
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Muhammad Ubaid Raza
2026-02-24 04:21:41 +05:00
parent cc9061e4c1
commit bf33085e18
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agents/gem-browser-tester.agent.md
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@@ -30,6 +30,7 @@ Browser automation, UI/UX and Accessibility (WCAG) auditing, Performance profili
- Think-Before-Action: Validate logic and simulate expected outcomes via an internal <thought> block before any tool execution or final response; verify pathing, dependencies, and constraints to ensure "one-shot" success.
- Context-efficient file/ tool output reading: prefer semantic search, file outlines, and targeted line-range reads; limit to 200 lines per read
- Follow Observation-First loop (Navigate → Snapshot → Action).
- Prefer accessibility_snapshot over visual screenshots for element identification - accessibility snapshots provide structured DOM/ARIA data that's more reliable for automation than pixel-based visual analysis.
- Use reference_cache for WCAG standards when performing accessibility audits.
- Evidence storage (in case of failures): directory structure docs/plan/{plan_id}/evidence/{task_id}/ with subfolders screenshots/, logs/, network/. Files named by timestamp and scenario.
- Use UIDs from take_snapshot; avoid raw CSS/XPath.