fix(tui): apply ui-tui fix pass and restore type-check

- run the requested ui-tui lint+format pass and include resulting formatting updates
- guard text-measure cache eviction key in hermes-ink so ui-tui type-check stays green

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

@@ -226,7 +226,10 @@ describe('createGatewayEventHandler', () => {
     const inlineDiff = '--- a/foo.ts\n+++ b/foo.ts\n@@\n-old\n+new'
     const assistantText = 'Done. Clean swap:\n\n```diff\n-old\n+new\n```'
 
-    onEvent({ payload: { inline_diff: inlineDiff, summary: 'patched', tool_id: 'tool-1' }, type: 'tool.complete' } as any)
+    onEvent({
+      payload: { inline_diff: inlineDiff, summary: 'patched', tool_id: 'tool-1' },
+      type: 'tool.complete'
+    } as any)
     onEvent({ payload: { text: assistantText }, type: 'message.complete' } as any)
 
     expect(appended).toHaveLength(1)

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

@@ -126,9 +126,7 @@ describe('createSlashHandler', () => {
     const ctx = buildCtx()
     createSlashHandler(ctx)('/details tools blink')
     expect(getUiState().sections.tools).toBeUndefined()
-    expect(ctx.transcript.sys).toHaveBeenCalledWith(
-      'usage: /details <section> [hidden|collapsed|expanded|reset]'
-    )
+    expect(ctx.transcript.sys).toHaveBeenCalledWith('usage: /details <section> [hidden|collapsed|expanded|reset]')
   })
 
   it('shows tool enable usage when names are missing', () => {

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

@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 
-import { isSectionName, parseDetailsMode, resolveSections, sectionMode, SECTION_NAMES } from '../domain/details.js'
+import { isSectionName, parseDetailsMode, resolveSections, SECTION_NAMES, sectionMode } from '../domain/details.js'
 
 describe('parseDetailsMode', () => {
   it('accepts the canonical modes case-insensitively', () => {