feat: add architecture sync script and cheerio dependency

- Added sync:arch npm script to synchronize architecture documentation
- Installed cheerio for HTML parsing capabilities
- Alphabetized package.json dependencies for better maintainability

src/app/api/debug-arch/route.ts

@@ -0,0 +1,36 @@
+import { NextResponse } from 'next/server'
+import { query } from '@/lib/database/config'
+
+export async function GET() {
+  try {
+    // Check if arch platform exists
+    const platformResult = await query(
+      'SELECT * FROM platforms WHERE id = $1',
+      ['arch']
+    )
+    
+    // Count arch packages
+    const countResult = await query(
+      'SELECT COUNT(*) FROM packages WHERE platform_id = $1',
+      ['arch']
+    )
+    
+    // Get sample packages
+    const sampleResult = await query(
+      'SELECT name, version, description FROM packages WHERE platform_id = $1 LIMIT 5',
+      ['arch']
+    )
+    
+    return NextResponse.json({
+      platform: platformResult.rows[0] || null,
+      totalPackages: parseInt(countResult.rows[0].count),
+      samplePackages: sampleResult.rows
+    })
+  } catch (error) {
+    console.error('Debug error:', error)
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : 'Unknown error' },
+      { status: 500 }
+    )
+  }
+}