fix(js): fix long-time broken tests

(

ui-tui/package.json

@@ -4,15 +4,16 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "dev": "npm run build --prefix packages/hermes-ink && tsx --watch src/entry.tsx",
+    "dev": "npm run build:ink && tsx --watch src/entry.tsx",
     "start": "tsx src/entry.tsx",
     "build": "node scripts/build.mjs",
+    "build:ink": "npm run build --prefix packages/hermes-ink",
     "typecheck": "tsc --noEmit -p tsconfig.json",
     "lint": "eslint src/ packages/",
     "lint:fix": "eslint src/ packages/ --fix",
     "fmt": "prettier --write 'src/**/*.{ts,tsx}' 'packages/**/*.{ts,tsx}'",
     "fix": "npm run lint:fix && npm run fmt",
-    "check": "npm run typecheck && npm run test",
+    "check": "npm run build:ink && npm run typecheck && npm run test",
     "test": "vitest run",
     "test:watch": "vitest"
   },

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

@@ -68,7 +68,7 @@ describe('cursor-drift regression — composer cursorLayout matches Ink renderin
         ).toEqual(expected)
       }
     }
-  })
+  }, 10_000)
 
   it('keeps cursor on the same row when text exactly fills the terminal width', () => {
     // wrap-ansi does NOT push exact-fill text onto a phantom next line.

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

@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 
-import { busyIndicatorWidth, statusBarSegments, statusRuleWidths } from '../components/appChrome.js'
+import { busyIndicatorWidth, StatusBarSegments, statusBarSegments, statusRuleWidths } from '../components/appChrome.js'
 
 describe('statusRuleWidths', () => {
   it('keeps the status rule within the terminal width', () => {
@@ -69,8 +69,7 @@ describe('statusBarSegments', () => {
       voice: true,
       bg: true,
       subagents: true,
-      cost: true
-    })
+    } satisfies StatusBarSegments)
   })
 
   it('collapses the context bar to a token count on narrow terminals', () => {
@@ -79,19 +78,17 @@ describe('statusBarSegments', () => {
     expect(s.compactCtx).toBe(true)
     expect(s.bar).toBe(false)
     expect(s.duration).toBe(false)
-    expect(s.cost).toBe(false)
   })
 
   it('sheds tail segments in priority order as the terminal narrows', () => {
-    // cost is the first to go, the context bar the last of the tail.
+    // the context bar is the last of the tail to go.
     const order: (keyof ReturnType<typeof statusBarSegments>)[] = [
       'bar',
       'duration',
       'compressions',
       'voice',
       'bg',
-      'subagents',
-      'cost'
+      'subagents'
     ]
 
     let prevCount = Infinity

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

@@ -18,10 +18,13 @@ describe('virtual height estimates', () => {
   })
 
   it('uses compound user prompt width when estimating user message wrapping', () => {
-    const msg: Msg = { role: 'user', text: 'x'.repeat(21) }
+    // cols must clear the 20-col body-width floor for both prompts (gutter +
+    // horizontalReserve=4) so the wider 'Ψ >' prompt actually narrows the
+    // body enough to wrap an extra line vs the single-cell '❯' prompt.
+    const msg: Msg = { role: 'user', text: 'x'.repeat(23) }
 
-    expect(estimatedMsgHeight(msg, 26, { compact: false, details: false, userPrompt: '❯' })).toBe(3)
-    expect(estimatedMsgHeight(msg, 26, { compact: false, details: false, userPrompt: 'Ψ >' })).toBe(4)
+    expect(estimatedMsgHeight(msg, 30, { compact: false, details: false, userPrompt: '❯' })).toBe(3)
+    expect(estimatedMsgHeight(msg, 30, { compact: false, details: false, userPrompt: 'Ψ >' })).toBe(4)
   })
 
   it('adds one row for a group-boundary lead gap', () => {