feat(sessions): context breakdown popover#2353
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This was referenced May 25, 2026
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This was referenced May 25, 2026
Replaces the simple tooltip on the inline context indicator with a
Radix popover that mirrors the design spec: an aggregate header
("~74K / 200K tokens", "37% full"), a multi-segment progress bar
colored by source, and a per-category token list (System prompt,
Tools, Rules, Skills, MCP, Subagents, Conversation) with zero-token
rows hidden. The inline label now reads "X/Y · Z%" so the percent
is glanceable without opening the popover.
The popover consumes the new `breakdown` field from `useContextUsage`
(plumbed in B3). When the breakdown is missing — e.g. before the
first response of a session — the popover falls back to a single
percent bar and surfaces a one-line placeholder explaining that
detail will arrive after the first response. Color choices and the
`formatTokensCompact` helper are lifted into a shared
`contextColors` module so both the indicator and popover read from
the same source.
Generated-By: PostHog Code
Task-Id: bac06178-1ab1-4000-9a56-1901215bd4af
Generated-By: PostHog Code
Task-Id: bac06178-1ab1-4000-9a56-1901215bd4af
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Problem
The context usage indicator previously showed only a tooltip with raw token counts. Users had no way to see how their context window was being consumed across different categories (system prompt, tools, rules, skills, MCP, subagents, conversation).
Changes
ContextUsageIndicatorwith a RadixPopoverthat opens aContextBreakdownPopoverpanel when clicked.ContextBreakdownPopoverdisplays the aggregate token count, percentage full, a visual progress bar, and a per-category breakdown with color-coded segments when breakdown data is available. Before the first response, a placeholder message is shown instead.getOverallUsageColor,formatTokensCompact, andCONTEXT_CATEGORIES) intocontextColors.tsso they can be reused across both components.74K/200K · 37%).How did you test this?
Added unit tests in
ContextBreakdownPopover.test.tsxcovering:null.Publish to changelog?
no