feat(validate): add bundle dependencies validation

Add validation script to detect dependency misconfigurations.
Integrated into scripts/check.mjs for CI validation.

Author: jdalton

scripts/check.mjs

@@ -72,6 +72,13 @@ async function main() {
           ...(process.platform === 'win32' && { shell: true }),
         },
       },
+      {
+        args: ['scripts/validate-bundle-deps.mjs'],
+        command: 'node',
+        options: {
+          ...(process.platform === 'win32' && { shell: true }),
+        },
+      },
     ]
 
     const exitCodes = await runParallel(checks)