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feat: improve /dcp context UI with pruned count and accurate bars #291

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Merged
Tarquinen merged 1 commit into from
Jan 20, 2026
Merged

feat: improve /dcp context UI with pruned count and accurate bars #291

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27 changes: 10 additions & 17 deletions lib/commands/context.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ interface TokenBreakdown {
assistant: number
reasoning: number
tools: number
pruned: number
prunedTokens: number
prunedCount: number
total: number
}

Expand All @@ -37,7 +38,8 @@ function analyzeTokens(state: SessionState, messages: WithParts[]): TokenBreakdo
assistant: 0,
reasoning: 0,
tools: 0,
pruned: state.stats.totalPruneTokens,
prunedTokens: state.stats.totalPruneTokens,
prunedCount: state.prune.toolIds.length,
total: 0,
}

Expand Down Expand Up @@ -141,7 +143,7 @@ function analyzeTokens(state: SessionState, messages: WithParts[]): TokenBreakdo
}
}

breakdown.tools = Math.max(0, breakdown.tools - breakdown.pruned)
breakdown.tools = Math.max(0, breakdown.tools - breakdown.prunedTokens)

// Calculate reasoning as the difference between API total and our counted parts
// This handles both interleaved thinking and non-interleaved models correctly
Expand All @@ -164,15 +166,6 @@ function formatContextMessage(breakdown: TokenBreakdown): string {
const lines: string[] = []
const barWidth = 30

const values = [
breakdown.system,
breakdown.user,
breakdown.assistant,
breakdown.reasoning,
breakdown.tools,
]
const maxValue = Math.max(...values)

const categories = [
{ label: "System", value: breakdown.system, char: "█" },
{ label: "User", value: breakdown.user, char: "▓" },
Expand All @@ -190,7 +183,7 @@ function formatContextMessage(breakdown: TokenBreakdown): string {
lines.push("")

for (const cat of categories) {
const bar = createBar(cat.value, maxValue, barWidth, cat.char)
const bar = createBar(cat.value, breakdown.total, barWidth, cat.char)
const percentage =
breakdown.total > 0 ? ((cat.value / breakdown.total) * 100).toFixed(1) : "0.0"
const labelWithPct = `${cat.label.padEnd(9)} ${percentage.padStart(5)}% `
Expand All @@ -204,12 +197,12 @@ function formatContextMessage(breakdown: TokenBreakdown): string {

lines.push("Summary:")

if (breakdown.pruned > 0) {
const withoutPruning = breakdown.total + breakdown.pruned
const savingsPercent = ((breakdown.pruned / withoutPruning) * 100).toFixed(1)
if (breakdown.prunedTokens > 0) {
const withoutPruning = breakdown.total + breakdown.prunedTokens
lines.push(
` Current context: ~${formatTokenCount(breakdown.total)} (${savingsPercent}% saved)`,
` Pruned: ${breakdown.prunedCount} tools (~${formatTokenCount(breakdown.prunedTokens)})`,
)
lines.push(` Current context: ~${formatTokenCount(breakdown.total)}`)
lines.push(` Without DCP: ~${formatTokenCount(withoutPruning)}`)
} else {
lines.push(` Current context: ~${formatTokenCount(breakdown.total)}`)
Expand Down