重构数据引擎，删除 DataEngine 类，添加 ObjectStackKernel 类以支持插件和应用生命周期管理；更新相关接口和依赖

Author: hotlong

content/docs/references/meta.json

@@ -5,7 +5,6 @@
     "data",
     "ui",
     "system",
-    "client-sdk",
     "ai",
     "misc"
   ]

examples/server/src/index.ts

@@ -1,4 +1,4 @@
-import { DataEngine } from '@objectstack/runtime';
+import { ObjectStackKernel } from '@objectstack/runtime';
 import { InMemoryDriver } from '@objectstack/driver-memory';
 import { HonoServerPlugin } from '@objectstack/plugin-hono-server';
 
@@ -9,7 +9,7 @@ import BiPluginManifest from '@objectstack/plugin-bi/objectstack.config';
 (async () => {
   console.log('🚀 Booting Kernel...');
 
-  const kernel = new DataEngine([
+  const kernel = new ObjectStackKernel([
       CrmApp, 
       TodoApp, 
       BiPluginManifest,

packages/plugin-hono-server/src/index.ts

@@ -3,7 +3,7 @@ import { serveStatic } from '@hono/node-server/serve-static';
 import { Hono } from 'hono';
 import { cors } from 'hono/cors';
 import { logger } from 'hono/logger';
-import { DataEngine, ObjectStackRuntimeProtocol, RuntimePlugin } from '@objectstack/runtime';
+import { ObjectStackKernel, ObjectStackRuntimeProtocol, RuntimePlugin } from '@objectstack/runtime';
 
 export interface HonoServerOptions {
   port?: number;
@@ -32,7 +32,7 @@ export class HonoServerPlugin implements RuntimePlugin {
     };
   }
 
-  async onStart(ctx: { engine: DataEngine }) {
+  async onStart(ctx: { engine: ObjectStackKernel }) {
     const app = new Hono();
     const protocol = new ObjectStackRuntimeProtocol(ctx.engine);
 

packages/runtime/src/engine.ts

@@ -68,7 +68,7 @@ export class ObjectQL {
        // Register Data Seeding (Lazy execution or immediate?)
        // We store it in a temporary registry or execute immediately if engine is ready.
        // Since `use` is init time, we might need to store it and run later in `seed()`.
-       // For this MVP, let's attach it to the manifest object in registry so DataEngine can find it.
+       // For this MVP, let's attach it to the manifest object in registry so Kernel can find it.
     }
 
     // 2. Execute Runtime

packages/runtime/src/index.ts

@@ -1,7 +1,7 @@
 // Export core engine
 export { ObjectQL } from './engine';
 export { SchemaRegistry } from './registry';
-export { DataEngine } from './data-engine';
+export { ObjectStackKernel } from './kernel';
 export { ObjectStackRuntimeProtocol } from './protocol';
 
 

packages/runtime/src/data-engine.ts packages/runtime/src/kernel.tspackages/runtime/src/data-engine.ts renamed to packages/runtime/src/kernel.ts

@@ -3,14 +3,12 @@ import { SchemaRegistry } from './registry';
 import { ObjectQL } from './engine';
 
 /**
- * Server Data Engine Wrapper
+ * ObjectStack Kernel (Microkernel)
  * 
- * This class is now a thin wrapper that initializes the ObjectQL Engine 
- * with the appropriate Server-Side configuration (Registry, Drivers).
- * 
- * The core logic has been moved to @objectstack/objectql.
+ * The central container orchestrating the application lifecycle,
+ * plugins, and the core ObjectQL engine.
  */
-export class DataEngine {
+export class ObjectStackKernel {
   public ql: ObjectQL;
   private plugins: any[];
 
@@ -23,26 +21,26 @@ export class DataEngine {
   }
 
   async start() {
-    console.log('[DataEngine] Starting...');
+    console.log('[Kernel] Starting...');
 
     // 0. Register Provided Plugins
     for (const p of this.plugins) {
         // Check if it is a Runtime Plugin (System Capability)
         if ('onStart' in p || 'install' in p) {
-             console.log(`[DataEngine] Loading Runtime Plugin: ${p.name}`);
+             console.log(`[Kernel] Loading Runtime Plugin: ${p.name}`);
              if (p.install) await p.install({ engine: this });
              continue;
         }
 
         // Otherwise treat as App Manifest
-        console.log(`[DataEngine] Loading App Manifest: ${p.id || p.name}`);
+        console.log(`[Kernel] Loading App Manifest: ${p.id || p.name}`);
         SchemaRegistry.registerPlugin(p);
 
         // Register Objects from App/Plugin
         if (p.objects) {
             for (const obj of p.objects) {
                 SchemaRegistry.registerObject(obj);
-                console.log(`[DataEngine] Registered Object: ${obj.name}`);
+                console.log(`[Kernel] Registered Object: ${obj.name}`);
             }
         }
     }
@@ -72,7 +70,7 @@ export class DataEngine {
     // 4. Start Runtime Plugins
     for (const p of this.plugins) {
         if (('onStart' in p) && typeof p.onStart === 'function') {
-            console.log(`[DataEngine] Starting Plugin: ${p.name}`);
+            console.log(`[Kernel] Starting Plugin: ${p.name}`);
             await p.onStart({ engine: this });
         }
     }
@@ -101,19 +99,19 @@ export class DataEngine {
         for (const appItem of apps) {
             const app = appItem as any; // Cast to access data prop safely
             if (app.data && Array.isArray(app.data)) {
-                console.log(`[DataEngine] Seeding data for ${app.name || app.id}...`);
+                console.log(`[Kernel] Seeding data for ${app.name || app.id}...`);
                 for (const seed of app.data) {
                      try {
                         // Check if data exists
                         const existing = await this.ql.find(seed.object, { top: 1 });
                         if (existing.length === 0) {
-                             console.log(`[DataEngine] Inserting ${seed.records.length} records into ${seed.object}`);
+                             console.log(`[Kernel] Inserting ${seed.records.length} records into ${seed.object}`);
                              for (const record of seed.records) {
                                  await this.ql.insert(seed.object, record);
                              }
                         }
                      } catch (e) {
-                         console.warn(`[DataEngine] Failed to seed ${seed.object}`, e);
+                         console.warn(`[Kernel] Failed to seed ${seed.object}`, e);
                      }
                 }
             }

packages/runtime/src/protocol.ts

@@ -1,5 +1,5 @@
 import { SchemaRegistry } from './registry';
-import { DataEngine } from './data-engine';
+import { ObjectStackKernel } from './kernel';
 
 export interface ApiRequest {
     params: Record<string, string>;
@@ -8,9 +8,9 @@ export interface ApiRequest {
 }
 
 export class ObjectStackRuntimeProtocol {
-    private engine: DataEngine;
+    private engine: ObjectStackKernel;
 
-    constructor(engine: DataEngine) {
+    constructor(engine: ObjectStackKernel) {
         this.engine = engine;
     }
 

packages/runtime/src/types.ts

@@ -1,7 +1,7 @@
-import { DataEngine } from './data-engine';
+import { ObjectStackKernel } from './kernel';
 
 export interface RuntimeContext {
-    engine: DataEngine;
+    engine: ObjectStackKernel;
 }
 
 export interface RuntimePlugin {