Migrate to Vite+ (vite-plus) unified toolchain

Replace Vite/Vitest with vite-plus, update WASM loading to native Vite 8
?init pattern, switch React compiler to @rolldown/plugin-babel, and
migrate git hooks from husky to vite-hooks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src-web/tsconfig.json

@@ -11,7 +11,7 @@
     "noUncheckedIndexedAccess": true,
     "forceConsistentCasingInFileNames": true,
     "module": "ESNext",
-    "moduleResolution": "Node",
+    "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,