fix: address review nitpicks in test-recorder

- Guard box() against empty lines array (RangeError on Math.max)
- Sanitize testName in recording template to prevent injection

tools/test-recorder/src/recorder/template.ts

@@ -25,6 +25,8 @@ export function generateRecordingTemplate(
     ? `  // Load the selected workflow\n  await comfyPage.workflow.loadWorkflow('${options.workflow.replace(/'/g, "\\'")}')\n  await comfyPage.nextFrame()\n`
     : ''
 
+  const safeName = options.testName.replace(/[`$\\]/g, '')
+
   const code = `/**
  * Auto-generated recording session.
  * This file is temporary — it will be deleted after recording.
@@ -36,7 +38,7 @@ import {
   comfyExpect as expect
 } from '../fixtures/ComfyPage'
 
-test('recording: ${options.testName}', async ({ comfyPage }) => {
+test('recording: ${safeName}', async ({ comfyPage }) => {
 ${workflowLine}
   // ┌────────────────────────────────────────────────────────┐
   // │ The Playwright Inspector will open.                     │

tools/test-recorder/src/ui/logger.ts

@@ -32,6 +32,7 @@ export function header(text: string) {
 }
 
 export function box(lines: string[]) {
+  if (lines.length === 0) return
   const maxLen = Math.max(...lines.map((l) => l.length))
   const border = '─'.repeat(maxLen + 4)
   console.log(`  ┌${border}┐`)