fix(ui): reduce status-line jitter while scrolling

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

@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest'
+
+import { padVerb, VERB_PAD_LEN } from '../components/appChrome.js'
+import { VERBS } from '../content/verbs.js'
+
+describe('FaceTicker verb padding', () => {
+  it('pads every verb to the same width', () => {
+    for (const verb of VERBS) {
+      expect(padVerb(verb)).toHaveLength(VERB_PAD_LEN)
+    }
+  })
+
+  it('keeps trailing ellipsis attached', () => {
+    for (const verb of VERBS) {
+      expect(padVerb(verb).startsWith(`${verb}…`)).toBe(true)
+    }
+  })
+})