refactor: move wasm build script to package

Co-authored-by: OpenCode <noreply@opencode.ai>

Author: hi-ogawa

crates/wasm/package.json

@@ -5,5 +5,8 @@
     "pkg"
   ],
   "type": "module",
-  "exports": "./pkg/demucs_wasm.js"
+  "exports": "./pkg/demucs_wasm.js",
+  "scripts": {
+    "build": "wasm-pack build . --target web --no-pack --release && rm -f pkg/.gitignore"
+  }
 }

package.json

@@ -9,7 +9,7 @@
     "build-model": "uv run python tools/model-export/build_models.py",
     "verify-parity": "uv run python tools/model-export/verify_parity.py",
     "model-release": "uv run --no-sync tools/model_release.py",
-    "build-wasm": "wasm-pack build crates/wasm --target web --no-pack --release && rm -f crates/wasm/pkg/.gitignore",
+    "build-wasm": "pnpm -C crates/wasm build",
     "wasm-separate": "pnpm -C packages/app wasm-separate",
     "build": "pnpm build-wasm && pnpm -C packages/app build",
     "build-cf": "(command -v cargo >/dev/null || curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal) && PATH=\"$HOME/.cargo/bin:$PATH\" pnpm build",