perf: add native hydrate wasm path

vendor/wasm/stbme_core.js

@@ -69,6 +69,10 @@ async function loadFromWasmPackArtifacts() {
 
   return {
     solve_layout: module.solve_layout,
+    build_hydrate_records:
+      typeof module.build_hydrate_records === "function"
+        ? module.build_hydrate_records
+        : null,
     build_persist_delta_compact_hash:
       typeof module.build_persist_delta_compact_hash === "function"
         ? module.build_persist_delta_compact_hash
@@ -222,6 +226,26 @@ export async function installNativePersistDeltaHook() {
   return getNativeModuleStatus();
 }
 
+export async function installNativeHydrateHook() {
+  const module = await loadNativeModule({
+    forceRetry: shouldRetryNativeLoad(),
+  });
+  if (!module || typeof module.build_hydrate_records !== "function") {
+    throw new Error("native hydrate builder unavailable");
+  }
+
+  globalThis.__stBmeNativeHydrateSnapshotRecords = (snapshotView = {}, options = {}) => {
+    const raw = module.build_hydrate_records({
+      nodes: Array.isArray(snapshotView?.nodes) ? snapshotView.nodes : [],
+      edges: Array.isArray(snapshotView?.edges) ? snapshotView.edges : [],
+      recordsNormalized: options?.recordsNormalized === true,
+    });
+    return raw && typeof raw === "object" ? raw : null;
+  };
+
+  return getNativeModuleStatus();
+}
+
 export function getNativeModuleStatus() {
   return {
     loaded: Boolean(cachedNativeModule),