fix: update test script in package.json files to exit with code 0 for no tests specified

feat: implement UUID generation polyfill in hot-reload.ts for better compatibility

Author: hotlong

examples/app-crm/package.json

@@ -13,7 +13,7 @@
     "dev": "objectstack dev",
     "build": "objectstack compile objectstack.config.ts dist/crm.json",
     "typecheck": "tsc --noEmit",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"No test specified\" && exit 0"
   },
   "dependencies": {
     "@objectstack/spec": "workspace:*"

examples/app-host/package.json

@@ -6,7 +6,7 @@
     "dev": "tsx src/index.ts",
     "build": "tsc --noEmit",
     "typecheck": "tsc --noEmit",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "echo \"No test specified\" && exit 0",
     "clean": "rm -rf dist node_modules"
   },
   "dependencies": {

examples/app-react-crud/package.json

@@ -9,7 +9,7 @@
     "dev": "pnpm msw:init && vite",
     "build": "pnpm msw:init && tsc && vite build",
     "typecheck": "tsc --noEmit",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "echo \"No test specified\" && exit 0",
     "preview": "vite preview"
   },
   "dependencies": {

examples/app-todo/package.json

@@ -13,7 +13,7 @@
     "dev": "objectstack dev",
     "build": "objectstack compile objectstack.config.ts dist/objectstack.json",
     "typecheck": "tsc --noEmit",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"No test specified\" && exit 0"
   },
   "dependencies": {
     "@objectstack/client": "workspace:*",

packages/core/src/hot-reload.ts

@@ -4,7 +4,19 @@ import type {
 } from '@objectstack/spec/system';
 import type { ObjectLogger } from './logger.js';
 import type { Plugin } from './types.js';
-import { randomUUID } from 'crypto';
+
+// Polyfill for UUID generation to support both Node.js and Browser
+const generateUUID = () => {
+  if (typeof crypto !== 'undefined' && crypto.randomUUID) {
+    return crypto.randomUUID();
+  }
+  // Basic UUID v4 fallback
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+    const r = Math.random() * 16 | 0;
+    const v = c === 'x' ? r : (r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+};
 
 /**
  * Plugin State Manager
@@ -40,7 +52,7 @@ class PluginStateManager {
       },
     };
 
-    const snapshotId = randomUUID();
+    const snapshotId = generateUUID();
 
     switch (config.stateStrategy) {
       case 'memory':