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refine(tui): clarify model telemetry

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This commit is contained in:
Xubin Ren
2026-08-17 20:56:10 +08:00
parent f1ebd8c4c6
commit c65127f791
3 changed files with 39 additions and 19 deletions
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tui/src/footer-hints.ts
+20 -14
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@@ -1,6 +1,5 @@
import { RGBA, StyledText, TextAttributes, type TextChunk } from "@opentui/core"
import { formatTokenCount } from "./context-panel"
import type { TokenUsage } from "./protocol"
export interface FooterHint {
@@ -53,6 +52,14 @@ export function footerTelemetry(
const estimated = (usage.estimated_tokens || 0) > 0 ? "~" : ""
parts.push(`${estimated}${value} tok/s`)
}
if (width >= 72) {
const prompt = usage.prompt_tokens
const completion = usage.completion_tokens
if (typeof prompt === "number" || typeof completion === "number") {
parts.push(`${formatTelemetryTokens(prompt || 0)} in`)
parts.push(`${formatTelemetryTokens(completion || 0)} out`)
}
}
if (
typeof usage.cached_tokens === "number"
&& typeof usage.prompt_tokens === "number"
@@ -61,19 +68,7 @@ export function footerTelemetry(
const hitRate = Math.min(100, Math.max(0, Math.round(
usage.cached_tokens * 100 / usage.prompt_tokens,
)))
parts.push(`cache ${hitRate}%`)
}
if (width >= 72) {
const prompt = usage.prompt_tokens
const completion = usage.completion_tokens
if (typeof prompt === "number" || typeof completion === "number") {
parts.push(`↑${formatTokenCount(prompt || 0)} ↓${formatTokenCount(completion || 0)}`)
}
}
if (width >= 112 && typeof usage.ttft_ms === "number") {
const requests = Math.max(1, usage.timed_requests || 1)
const average = usage.ttft_ms / requests
parts.push(`TTFT ${average < 1000 ? `${Math.round(average)}ms` : `${(average / 1000).toFixed(1)}s`}`)
parts.push(`${hitRate}% cached`)
}
if (width >= 128 && typeof usage.cost_usd === "number" && usage.cost_usd > 0) {
parts.push(`$${usage.cost_usd < 0.01 ? usage.cost_usd.toFixed(4) : usage.cost_usd.toFixed(2)}`)
@@ -81,6 +76,17 @@ export function footerTelemetry(
return footerMetrics(parts, theme)
}
function formatTelemetryTokens(value: number): string {
const count = Math.max(0, value)
for (const [threshold, suffix] of [[1_000_000_000, "B"], [1_000_000, "M"], [1_000, "K"]] as const) {
if (count < threshold) continue
const scaled = count / threshold
const compact = scaled >= 10 ? Math.round(scaled) : Math.round(scaled * 10) / 10
return `${compact}${suffix}`
}
return String(Math.round(count))
}
function footerMetrics(parts: readonly string[], theme: FooterHintTheme): StyledText {
const chunks: TextChunk[] = []
parts.forEach((text, index) => {