fix(tui): separate thinking header from markdown body (#29028)

This commit is contained in:
Aiden Cline
2026-05-24 20:52:17 -05:00
committed by GitHub
parent eab34b46d0
commit 03bb53c389
4 changed files with 121 additions and 61 deletions
@@ -6,13 +6,14 @@ export type ThinkingMode = "show" | "hide"
const MODES: readonly ThinkingMode[] = ["show", "hide"] as const const MODES: readonly ThinkingMode[] = ["show", "hide"] as const
// OpenAI's Responses API surfaces reasoning summaries that start with a bolded // OpenAI's Responses API surfaces reasoning summaries that start with a bolded
// title line: "**Inspecting PR workflow**\n\n<body>". GitHub Copilot routes // title block: "**Inspecting PR workflow**\n\n<body>". Treat that first block,
// through the same shape, and the opencode provider relays it too. Pull the // or a complete title still awaiting its body while streaming, as disclosure
// title out for a nicer label; return null for providers that don't follow // metadata so the TUI can style its header independently from the markdown body.
// this convention so the caller can fall back to a generic "Thinking" string. export function reasoningSummary(text: string) {
export function reasoningTitle(text: string): string | null { const content = text.trim()
const match = text.trimStart().match(/^\*\*([^*\n]+)\*\*/) const match = content.match(/^\*\*([^*\n]+)\*\*(?:\r?\n\r?\n|$)/)
return match ? match[1].trim() : null if (!match) return { title: null, body: content }
return { title: match[1].trim(), body: content.slice(match[0].length).trimEnd() }
} }
export function isThinkingMode(value: unknown): value is ThinkingMode { export function isThinkingMode(value: unknown): value is ThinkingMode {
@@ -5,9 +5,9 @@ import { SplitBorder } from "@tui/component/border"
import { Spinner } from "@tui/component/spinner" import { Spinner } from "@tui/component/spinner"
import { useTheme } from "@tui/context/theme" import { useTheme } from "@tui/context/theme"
import { useLocal } from "@tui/context/local" import { useLocal } from "@tui/context/local"
import { reasoningTitle, useThinkingMode } from "@tui/context/thinking" import { reasoningSummary, useThinkingMode } from "@tui/context/thinking"
import { useRenderer, useTerminalDimensions, type JSX } from "@opentui/solid" import { useRenderer, useTerminalDimensions, type JSX } from "@opentui/solid"
import { TextAttributes, type BoxRenderable, type SyntaxStyle } from "@opentui/core" import { RGBA, TextAttributes, type BoxRenderable, type SyntaxStyle } from "@opentui/core"
import { useBindings } from "../../keymap" import { useBindings } from "../../keymap"
import { Locale } from "@/util/locale" import { Locale } from "@/util/locale"
import { LANGUAGE_EXTENSIONS } from "@/lsp/language" import { LANGUAGE_EXTENSIONS } from "@/lsp/language"
@@ -398,7 +398,7 @@ function AssistantReasoning(props: {
// v2 reasoning parts have no per-part `time.end` (see SessionMessageAssistantReasoning // v2 reasoning parts have no per-part `time.end` (see SessionMessageAssistantReasoning
// in the v2 SDK); we settle on parent-message completion instead. // in the v2 SDK); we settle on parent-message completion instead.
const isDone = createMemo(() => props.completedAt() !== undefined) const isDone = createMemo(() => props.completedAt() !== undefined)
const title = createMemo(() => reasoningTitle(content())) const summary = createMemo(() => reasoningSummary(content()))
const toggle = () => { const toggle = () => {
if (!inMinimal()) return if (!inMinimal()) return
@@ -407,41 +407,50 @@ function AssistantReasoning(props: {
return ( return (
<Show when={content()}> <Show when={content()}>
<Switch> <box paddingLeft={3} marginTop={1} flexDirection="column" flexShrink={0}>
<Match when={!inMinimal() || expanded()}> <box onMouseUp={toggle}>
<box paddingLeft={3} marginTop={1} flexDirection="column" flexShrink={0} onMouseUp={toggle}> <ReasoningHeader
toggleable={inMinimal()}
open={!inMinimal() || expanded()}
done={isDone()}
title={summary().title}
/>
</box>
<Show when={(!inMinimal() || expanded()) && summary().body}>
<box paddingLeft={inMinimal() ? 2 : 0} marginTop={1}>
<code <code
filetype="markdown" filetype="markdown"
drawUnstyledText={false} drawUnstyledText={false}
streaming={true} streaming={true}
syntaxStyle={props.subtleSyntax} syntaxStyle={props.subtleSyntax}
content={(inMinimal() ? "- " : "") + (isDone() ? "_Thought:_ " : "_Thinking:_ ") + content()} content={summary().body}
conceal={true} conceal={true}
fg={theme.textMuted} fg={theme.textMuted}
/> />
</box> </box>
</Match> </Show>
<Match when={isDone()}>
<box paddingLeft={3} marginTop={1} flexShrink={0} onMouseUp={toggle}>
<CollapsedReasoningText title={title()} />
</box> </box>
</Match>
<Match when={true}>
<box paddingLeft={3} marginTop={1} flexShrink={0} onMouseUp={toggle}>
<Spinner color={theme.textMuted}>{title() ? "Thinking: " + title() : "Thinking"}</Spinner>
</box>
</Match>
</Switch>
</Show> </Show>
) )
} }
function CollapsedReasoningText(props: { title: string | null }) { function ReasoningHeader(props: { toggleable: boolean; open: boolean; done: boolean; title: string | null }) {
const { theme } = useTheme() const { theme } = useTheme()
const fg = () =>
props.open
? RGBA.fromValues(theme.warning.r, theme.warning.g, theme.warning.b, theme.thinkingOpacity)
: theme.warning
return ( return (
<text fg={theme.warning} wrapMode="none"> <text fg={fg()} wrapMode="none">
<span style={{ fg: theme.warning, italic: true }}>{props.title ? "+ Thought: " + props.title : "+ Thought"}</span> <Show when={props.toggleable}>
<span>{props.open ? "- " : "+ "}</span>
</Show>
<span>{props.done ? "Thought" : "Thinking"}</span>
<Show when={props.title}>
<span>: </span>
<span>{props.title}</span>
</Show>
</text> </text>
) )
} }
@@ -81,7 +81,7 @@ import * as Model from "../../util/model"
import { formatTranscript } from "../../util/transcript" import { formatTranscript } from "../../util/transcript"
import { UI } from "@/cli/ui.ts" import { UI } from "@/cli/ui.ts"
import { useTuiConfig } from "../../context/tui-config" import { useTuiConfig } from "../../context/tui-config"
import { nextThinkingMode, reasoningTitle, useThinkingMode, type ThinkingMode } from "../../context/thinking" import { nextThinkingMode, reasoningSummary, useThinkingMode, type ThinkingMode } from "../../context/thinking"
import { getScrollAcceleration } from "../../util/scroll" import { getScrollAcceleration } from "../../util/scroll"
import { collapseToolOutput } from "../../util/collapse-tool-output" import { collapseToolOutput } from "../../util/collapse-tool-output"
import { TuiPluginRuntime } from "@/cli/cmd/tui/plugin/runtime" import { TuiPluginRuntime } from "@/cli/cmd/tui/plugin/runtime"
@@ -1515,12 +1515,8 @@ function ReasoningPart(props: { last: boolean; part: ReasoningPart; message: Ass
const end = props.part.time.end const end = props.part.time.end
return end === undefined ? 0 : Math.max(0, end - props.part.time.start) return end === undefined ? 0 : Math.max(0, end - props.part.time.start)
}) })
// OpenAI / Copilot / opencode-via-OpenAI emit `**Title**\n\n<body>` summary const summary = createMemo(() => reasoningSummary(content()))
// blocks. Surface the title both while streaming and after settling so the const syntax = createMemo(() => generateSubtleSyntax(theme))
// collapsed line carries real signal, not just a duration.
const title = createMemo(() => reasoningTitle(content()))
// Keep markdown emphasis for the existing thinking color/concealment, but render it without italics.
const syntax = createMemo(() => generateSubtleSyntax(theme, { "markup.italic": { italic: false } }))
const toggle = () => { const toggle = () => {
if (!inMinimal()) return if (!inMinimal()) return
@@ -1529,47 +1525,65 @@ function ReasoningPart(props: { last: boolean; part: ReasoningPart; message: Ass
return ( return (
<Show when={content()}> <Show when={content()}>
<Switch> <box id={"text-" + props.part.id} paddingLeft={3} marginTop={1} flexDirection="column" flexShrink={0}>
<Match when={!inMinimal() || expanded()}> <box onMouseUp={toggle}>
{/* Full markdown block: `show` mode, or `hide` after the user opens it. */} <ReasoningHeader
<box id={"text-" + props.part.id} paddingLeft={3} marginTop={1} flexDirection="column" onMouseUp={toggle}> toggleable={inMinimal()}
open={!inMinimal() || expanded()}
done={isDone()}
title={summary().title}
duration={isDone() ? Locale.duration(duration()) : undefined}
/>
</box>
<Show when={(!inMinimal() || expanded()) && summary().body}>
<box paddingLeft={inMinimal() ? 2 : 0} marginTop={1}>
<code <code
filetype="markdown" filetype="markdown"
drawUnstyledText={false} drawUnstyledText={false}
streaming={true} streaming={true}
syntaxStyle={syntax()} syntaxStyle={syntax()}
// `_Thinking:_`/`_Thought:_` still drives markdown emphasis color and conceals the underscores; content={summary().body}
// the syntax override above removes only the italic attribute from that emphasis token.
content={(inMinimal() ? "- " : "") + (isDone() ? "_Thought:_ " : "_Thinking:_ ") + content()}
conceal={ctx.conceal()} conceal={ctx.conceal()}
fg={theme.textMuted} fg={theme.textMuted}
/> />
</box> </box>
</Match> </Show>
<Match when={isDone()}>
<box id={"text-" + props.part.id} paddingLeft={3} marginTop={1} flexShrink={0} onMouseUp={toggle}>
<CollapsedReasoningText title={title()} duration={duration()} />
</box> </box>
</Match>
<Match when={true}>
<box id={"text-" + props.part.id} paddingLeft={3} marginTop={1} flexShrink={0} onMouseUp={toggle}>
<Spinner color={theme.textMuted}>{title() ? "Thinking: " + title() : "Thinking"}</Spinner>
</box>
</Match>
</Switch>
</Show> </Show>
) )
} }
function CollapsedReasoningText(props: { title: string | null; duration: number }) { function ReasoningHeader(props: {
toggleable: boolean
open: boolean
done: boolean
title: string | null
duration?: string
}) {
const { theme } = useTheme() const { theme } = useTheme()
const duration = () => Locale.duration(props.duration) const fg = () =>
props.open
? RGBA.fromValues(theme.warning.r, theme.warning.g, theme.warning.b, theme.thinkingOpacity)
: theme.warning
return ( return (
<text fg={theme.warning} wrapMode="none"> <text fg={fg()} wrapMode="none">
<span style={{ fg: theme.warning }}> <Show when={props.toggleable}>
{props.title ? "+ Thought: " + props.title + " · " + duration() : "+ Thought: " + duration()} <span>{props.open ? "- " : "+ "}</span>
</Show>
<span>{props.done ? "Thought" : "Thinking"}</span>
<Show when={props.title || props.duration}>
<span>: </span>
</Show>
<Show when={props.title}>
<span>{props.title}</span>
</Show>
<Show when={props.duration}>
<span>
{props.title ? " · " : ""}
{props.duration}
</span> </span>
</Show>
</text> </text>
) )
} }
@@ -0,0 +1,36 @@
import { describe, expect, test } from "bun:test"
import { reasoningSummary } from "../../../src/cli/cmd/tui/context/thinking"
describe("reasoningSummary", () => {
test("extracts a leading summary title and leaves markdown body", () => {
expect(reasoningSummary("**Continuing Quality Review**\n\nDetails.\n\n**Next section**\n\nMore.")).toEqual({
title: "Continuing Quality Review",
body: "Details.\n\n**Next section**\n\nMore.",
})
})
test("extracts a completed title before its streamed body arrives", () => {
expect(reasoningSummary("**Continuing Quality Review**")).toEqual({
title: "Continuing Quality Review",
body: "",
})
})
test("preserves markdown-significant indentation in the extracted body", () => {
expect(reasoningSummary("**Continuing Quality Review**\n\n const value = true\n")).toEqual({
title: "Continuing Quality Review",
body: " const value = true",
})
})
test("does not consume ordinary leading bold content", () => {
expect(reasoningSummary("**Important:** keep this in the body.")).toEqual({
title: null,
body: "**Important:** keep this in the body.",
})
})
test("leaves content without a leading title in its body", () => {
expect(reasoningSummary("Details only.")).toEqual({ title: null, body: "Details only." })
})
})