perf(dashnote): defer SDK value imports in note + contract helpers

example-apps/dashnote/src/dash/contract.ts

@@ -5,11 +5,26 @@
  *   sdk.contracts.publish({ dataContract, identityKey, signer })
  *   sdk.identities.nonce(identityId)
  */
-import { DataContract, Identifier } from "@dashevo/evo-sdk";
-
 import type { Logger } from "../lib/logger";
 import type { DashKeyManager, DashSdk } from "./types";
 
+// Defer the @dashevo/evo-sdk value import so it doesn't anchor the SDK chunk
+// to the entry graph via SessionContext + LoginModal's static imports of this
+// file. Synchronous exports below (NOTE_SCHEMAS, loadStoredContractId, etc.)
+// don't touch the SDK and stay sync because SessionContext calls them during
+// initial render. Cached after first call; cleared on failure for retry.
+type SdkModule = typeof import("@dashevo/evo-sdk");
+let sdkModulePromise: Promise<SdkModule> | null = null;
+function loadSdkModule(): Promise<SdkModule> {
+  if (!sdkModulePromise) {
+    sdkModulePromise = import("@dashevo/evo-sdk").catch((err) => {
+      sdkModulePromise = null;
+      throw err;
+    });
+  }
+  return sdkModulePromise;
+}
+
 export const NOTE_SCHEMAS = {
   note: {
     type: "object",
@@ -78,6 +93,7 @@ export async function refreshContractCache({
   if (!contractId || typeof sdk.getWasmSdkConnected !== "function") return;
   const wasm = await sdk.getWasmSdkConnected();
   if (!wasm || typeof wasm.removeCachedContract !== "function") return;
+  const { Identifier } = await loadSdkModule();
   const identifier = new Identifier(contractId);
   try {
     wasm.removeCachedContract(identifier);
@@ -98,6 +114,7 @@ export async function registerContract({
   log?.("Registering Dashnote note contract…");
   const { identity, identityKey, signer } = await keyManager.getAuth();
   const identityNonce = await sdk.identities.nonce(identity.id.toString());
+  const { DataContract } = await loadSdkModule();
   const dataContract = new DataContract({
     ownerId: identity.id,
     identityNonce: (identityNonce || 0n) + 1n,

example-apps/dashnote/src/dash/createNote.ts

@@ -3,11 +3,24 @@
  *
  * SDK method: sdk.documents.create({ document, identityKey, signer })
  */
-import { Document } from "@dashevo/evo-sdk";
-
 import type { Logger } from "../lib/logger";
 import type { DashKeyManager, DashSdk } from "./types";
 
+// Defer the @dashevo/evo-sdk value import so it doesn't anchor the SDK chunk
+// to the entry graph via NotesWorkspace's static import of this file. Cached
+// after first call; cleared on failure so a transient chunk fetch can retry.
+type SdkModule = typeof import("@dashevo/evo-sdk");
+let sdkModulePromise: Promise<SdkModule> | null = null;
+function loadSdkModule(): Promise<SdkModule> {
+  if (!sdkModulePromise) {
+    sdkModulePromise = import("@dashevo/evo-sdk").catch((err) => {
+      sdkModulePromise = null;
+      throw err;
+    });
+  }
+  return sdkModulePromise;
+}
+
 export interface CreateNoteParams {
   sdk: DashSdk;
   keyManager: DashKeyManager;
@@ -27,6 +40,7 @@ export async function createNote({
 }: CreateNoteParams): Promise<string> {
   log?.("Creating note…");
   const { identity, identityKey, signer } = await keyManager.getAuth();
+  const { Document } = await loadSdkModule();
   const trimmedTitle = title?.trim();
   const document = new Document({
     properties: {

example-apps/dashnote/src/dash/updateNote.ts

@@ -6,11 +6,24 @@
  *   sdk.documents.get(contractId, documentTypeName, documentId)
  *   sdk.documents.replace({ document, identityKey, signer })
  */
-import { Document } from "@dashevo/evo-sdk";
-
 import type { Logger } from "../lib/logger";
 import type { DashKeyManager, DashSdk } from "./types";
 
+// Defer the @dashevo/evo-sdk value import so it doesn't anchor the SDK chunk
+// to the entry graph via NotesWorkspace's static import of this file. Cached
+// after first call; cleared on failure so a transient chunk fetch can retry.
+type SdkModule = typeof import("@dashevo/evo-sdk");
+let sdkModulePromise: Promise<SdkModule> | null = null;
+function loadSdkModule(): Promise<SdkModule> {
+  if (!sdkModulePromise) {
+    sdkModulePromise = import("@dashevo/evo-sdk").catch((err) => {
+      sdkModulePromise = null;
+      throw err;
+    });
+  }
+  return sdkModulePromise;
+}
+
 export interface UpdateNoteParams {
   sdk: DashSdk;
   keyManager: DashKeyManager;
@@ -37,6 +50,7 @@ export async function updateNote({
     throw new Error(`Note ${noteId} not found.`);
   }
 
+  const { Document } = await loadSdkModule();
   const revision = BigInt(existingDoc.revision ?? 0) + 1n;
   const trimmedTitle = title?.trim();
   const document = new Document({