Hovering (or tapping) a context chip opens a stacked preview of its
pending items above the composer: numbered entries with a muted header
band, the captured selection, and the user's comment, which can be
edited in place (save/cancel) or removed before sending. The chips
component now subscribes to the draft store itself; the per-kind count
plumbing in ChatInput is gone.
Bohdan Triapitsyn
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