docs: improve comment accuracy in vite.config.ts

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

examples/msw-react-crud/vite.config.ts

@@ -25,7 +25,8 @@ export default defineConfig({
       // Suppress warnings for optional dynamic imports in runtime
       onwarn(warning, warn) {
         // Ignore unresolved import warnings for @objectstack/driver-memory
-        // This is an optional dynamic import in the runtime that gets resolved at build time
+        // This is an optional fallback dynamic import in the runtime kernel.
+        // It's safe to suppress because the driver is explicitly imported in src/mocks/browser.ts
         if (
           warning.code === 'UNRESOLVED_IMPORT' &&
           warning.message.includes('@objectstack/driver-memory')