Improve WeChat MP replies and ship MindSpace/H5 production updates.

Add WeChat service account routing with sync acks, connectivity tests, and context isolation; document deploy runbooks; and bundle related MindSpace, voice, Plaza, and server gateway changes for production rollout.

Co-authored-by: Cursor <cursoragent@cursor.com>

user-auth.test.mjs

@@ -1,6 +1,7 @@
 import assert from 'node:assert/strict';
 import crypto from 'node:crypto';
 import test from 'node:test';
+import { Algorithm as Argon2Algorithm, hashRawSync as argon2HashRawSync } from '@node-rs/argon2';
 import { createUserAuth } from './user-auth.mjs';
 
 function hashPasswordPbkdf2(password, salt) {
@@ -8,16 +9,14 @@ function hashPasswordPbkdf2(password, salt) {
 }
 
 function hashPasswordArgon2id(password, salt) {
-  return crypto
-    .argon2Sync('argon2id', {
-      message: password,
-      nonce: Buffer.from(salt, 'hex'),
-      parallelism: 1,
-      tagLength: 32,
-      memory: 64 * 1024,
-      passes: 3,
-    })
-    .toString('hex');
+  return argon2HashRawSync(password, {
+    salt: Buffer.from(salt, 'hex'),
+    parallelism: 1,
+    outputLen: 32,
+    memoryCost: 64 * 1024,
+    timeCost: 3,
+    algorithm: Argon2Algorithm.Argon2id,
+  }).toString('hex');
 }
 
 function createAuthPool(userRow) {