- Added regression coverage for EventController to collapse single-read completions into one read group.
- Added assertions that visible reasoning breaks grouping and finalizes the prior read block.
- Added nested-live task rendering test for static task header while the task body shimmers.
- Added task-progress rendering tests for shimmered task-name rows and spinner-disabled fallback.
- Added a ToolExecutionComponent timing test validating bash spinnerFrame increments on 30fps cadence.
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