refactor: replace string concatenation with template literals

Replace outdated string concatenation using '+' operator with modern
template literals for improved code readability and consistency across
build scripts.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ericyangpan

.claude/skills/manifest-creator/scripts/create.mjs

@@ -82,12 +82,12 @@ console.log('📝 Workflow Instructions for Claude Code')
 console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━')
 console.log('')
 console.log('Step 1: Read the Schema')
-console.log('  → Read manifests/schemas/' + type + 's.schema.json')
+console.log(`  → Read manifests/schemas/${type}s.schema.json`)
 console.log('  → Read referenced schema files (entity.schema.json, etc.)')
 console.log('  → Understand all required fields and their formats')
 console.log('')
 console.log('Step 2: Extract Website Content')
-console.log('  → Use WebFetch to read: ' + url)
+console.log(`  → Use WebFetch to read: ${url}`)
 console.log('  → Extract: name, description, version, features')
 console.log('  → If main page lacks info, follow relevant links')
 console.log('  → CRITICAL: Description must be from actual content, not generated')
@@ -113,10 +113,10 @@ console.log('  → Create complete manifest with all required fields')
 console.log('  → Use proper formatting (2-space indentation)')
 console.log('  → Set unavailable fields to null (not empty string)')
 console.log('  → Ensure all URLs use HTTPS protocol')
-console.log('  → ID should be: ' + name)
+console.log(`  → ID should be: ${name}`)
 console.log('')
 console.log('Step 6: Write Manifest File')
-console.log('  → Write to: manifests/' + type + 's/' + name + '.json')
+console.log(`  → Write to: manifests/${type}s/${name}.json`)
 console.log('  → Use proper JSON formatting (2-space indentation)')
 console.log('  → Ensure all required fields are present')
 console.log('')

scripts/_shared/runner.mjs

@@ -77,7 +77,7 @@ async function discoverScripts(categoryDir) {
 
         // Remove category prefix if present (e.g., "generate-", "validate-", "fetch-")
         // If filename doesn't start with prefix, use full name without extension
-        const categoryPrefix = path.basename(categoryDir) + '-'
+        const categoryPrefix = `${path.basename(categoryDir)}-`
         const scriptName = baseName.startsWith(categoryPrefix)
           ? baseName.slice(categoryPrefix.length)
           : baseName