fix(cli): show active profile in TUI prompt

ui-tui/src/__tests__/prompt.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from 'vitest'
+
+import { composerPromptText } from '../lib/prompt.js'
+
+describe('composerPromptText', () => {
+  it('returns shell prompt for ! commands', () => {
+    expect(composerPromptText('❯', 'coder', true)).toBe('$')
+  })
+
+  it('prefixes named profiles onto the normal prompt', () => {
+    expect(composerPromptText('❯', 'coder')).toBe('coder ❯')
+  })
+
+  it('does not prefix default or custom profiles', () => {
+    expect(composerPromptText('❯', 'default')).toBe('❯')
+    expect(composerPromptText('❯', 'custom')).toBe('❯')
+    expect(composerPromptText('❯')).toBe('❯')
+  })
+})

ui-tui/src/components/appLayout.tsx

@@ -16,6 +16,7 @@ import {
   stableComposerColumns
 } from '../lib/inputMetrics.js'
 import { PerfPane } from '../lib/perfPane.js'
+import { composerPromptText } from '../lib/prompt.js'
 
 import { AgentsOverlay } from './agentsOverlay.js'
 import { GoodVibesHeart, StatusRule, StickyPromptTracker, TranscriptScrollbar } from './appChrome.js'
@@ -170,7 +171,7 @@ const ComposerPane = memo(function ComposerPane({
   const ui = useStore($uiState)
   const isBlocked = useStore($isBlocked)
   const sh = (composer.inputBuf[0] ?? composer.input).startsWith('!')
-  const promptText = sh ? '$' : ui.theme.brand.prompt
+  const promptText = composerPromptText(ui.theme.brand.prompt, ui.info?.profile_name, sh)
   const promptWidth = composerPromptWidth(promptText)
   const promptBlank = ' '.repeat(promptWidth)
   const inputColumns = stableComposerColumns(composer.cols, promptWidth)

ui-tui/src/lib/prompt.ts

@@ -0,0 +1,11 @@
+export function composerPromptText(prompt: string, profileName?: null | string, shellMode = false): string {
+  if (shellMode) {
+    return '$'
+  }
+
+  if (profileName && !['default', 'custom'].includes(profileName)) {
+    return `${profileName} ${prompt}`
+  }
+
+  return prompt
+}

ui-tui/src/types.ts

@@ -148,6 +148,7 @@ export interface SessionInfo {
   lazy?: boolean
   mcp_servers?: McpServerStatus[]
   model: string
+  profile_name?: string
   reasoning_effort?: string
   release_date?: string
   service_tier?: string