Context sidebar sections (Auto-included / Suggested / In Context) are
now collapsible with chevrons, and collapsed state persists per
conversation via localStorage. A new Context (N) button in the chat
header toggles the whole sidebar — open by default on wide screens
(>=1200px), closed by default below. Visual differentiation: auto-
included notes get a muted background with an AUTO pill, in-context
notes get an active-chip style with a primary-colored left border,
and each section header shows its item count.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
bvandeusen
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