Add TypeScript integrations package

ts/integrations/energy/.generated-by-smarthome-exchange

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+This folder is generated from Home Assistant component metadata. Replace it with a handwritten TypeScript port when implementing runtime support.

ts/integrations/energy/energy.classes.integration.ts

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+import { DescriptorOnlyIntegration } from '../../core/classes.descriptoronlyintegration.js';
+
+export class HomeAssistantEnergyIntegration extends DescriptorOnlyIntegration {
+  constructor() {
+    super({
+      domain: "energy",
+      displayName: "Energy",
+      status: 'descriptor-only',
+      metadata: {
+  "source": "home-assistant/core",
+  "upstreamPath": "homeassistant/components/energy",
+  "upstreamDomain": "energy",
+  "integrationType": "system",
+  "iotClass": "calculated",
+  "qualityScale": "internal",
+  "requirements": [],
+  "dependencies": [
+    "websocket_api",
+    "history",
+    "recorder"
+  ],
+  "afterDependencies": [],
+  "codeowners": [
+    "@home-assistant/core"
+  ]
+},
+    });
+  }
+}

ts/integrations/energy/energy.types.ts

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+export interface IHomeAssistantEnergyConfig {
+  // TODO: replace with the TypeScript-native config for energy.
+  [key: string]: unknown;
+}

ts/integrations/energy/index.ts

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+export * from './energy.classes.integration.js';
+export * from './energy.types.js';