Move the global package disclosure action into a responsive right-aligned toolbar group and disable it for empty queues. Replace the decorative package title with a compact neutral filter group, coordinate disclosure opacity with height transitions, and make contextual help follow combined pointer and keyboard focus state.
Add a persisted general setting that keeps package expand and collapse motion enabled by default while allowing remote and lower-performance systems to switch it off. Route the setting through normalized application state and renderer settings, bypass transition grouping when disabled, and retain the existing virtualized package list behavior. Cover legacy defaults, explicit opt-out persistence, settings presentation, and the immediate disclosure path with focused regression tests.
Keep the explicitly requested 300 ms package transition active when Chromium reports reduced motion, and separate the prepared and active disclosure states by a painted frame. Add focused regression coverage and an opt-in motion mode for the visual harness while keeping normal captures deterministic.
Restore smooth 300 ms expand and collapse transitions without removing row virtualization. Limit animated disclosure rows globally, preserve live item updates during motion, support rapid reversal, and keep large queues bounded.
Add a Remaining sidebar metric that sums only unfinished known bytes while clearly marking unknown open sizes. Cover multi-package limits, live transition merges, honest remaining-size semantics, translations, and accessibility.
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