Add AI NLP and router modules for advanced natural language processing

- Introduced comprehensive NLP processing modules for intent classification, entity extraction, and context analysis
- Created AI router with rate-limited endpoints for command interpretation and execution
- Added prompt templates for different AI models with configurable system and user prompts
- Implemented robust type definitions for AI-related interfaces and schemas
- Enhanced security and error handling in AI processing pipeline

src/schemas/hass.ts

@@ -1,5 +1,5 @@
 import { JSONSchemaType } from 'ajv';
-import type HomeAssistant from '../types/hass.js';
+import * as HomeAssistant from '../types/hass.js';
 
 export const entitySchema: JSONSchemaType<HomeAssistant.Entity> = {
     type: 'object',