The original title is about testing Copilot's BYOK (Bring Your Own Key) Provider and Model Selector for keyboard accessibility.

Short summary

Proposes an accessibility test plan for Copilot's BYOK provider and model selector in JetBrains, treating the two dropdowns as one dependent workflow. Provides a 10-case matrix covering keyboard interaction, screen-reader announcements, and state correctness across provider selection, model refresh, and error recovery. Emphasizes testing dynamic transitions rather than static screenshots.

• •Provider and model selection is a dependent workflow, not two independent dropdowns
• •10-case matrix separates interaction, announcement, and state correctness
• •Key risks: focus stealing during refresh, silent model invalidation, and browsing that silently commits

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