perf: optimize persist delta gating and diagnostics

.github/workflows/ci.yml

@@ -37,6 +37,17 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32-unknown-unknown
+
+      - name: Install wasm-pack
+        run: cargo install wasm-pack --locked
+
+      - name: Build native wasm artifacts
+        run: npm run build:native:wasm
+
       - name: Syntax check
         run: npm run check