feat: add OpenAI provider integration and examples

src/utils/factory.ts

@@ -5,18 +5,20 @@
 
 import type { AIProviderConfig } from '../types/index.js';
 import { ClaudeProvider, type ClaudeConfig } from '../providers/claude.js';
+import { OpenAIProvider, type OpenAIConfig } from '../providers/openai.js';
 import { BaseAIProvider } from '../providers/base.js';
 
 /**
  * Supported AI provider types
  */
-export type ProviderType = 'claude';
+export type ProviderType = 'claude' | 'openai';
 
 /**
  * Configuration map for different provider types
  */
 export interface ProviderConfigMap {
   claude: ClaudeConfig;
+  openai: OpenAIConfig;
 }
 
 /**
@@ -32,6 +34,8 @@ export function createProvider<T extends ProviderType>(
   switch (type) {
     case 'claude':
       return new ClaudeProvider(config as ClaudeConfig);
+    case 'openai':
+      return new OpenAIProvider(config as OpenAIConfig);
     default:
       throw new Error(`Unsupported provider type: ${type}`);
   }
@@ -53,6 +57,22 @@ export function createClaudeProvider(
   });
 }
 
+/**
+ * Create an OpenAI provider with simplified configuration
+ * @param apiKey - OpenAI API key
+ * @param options - Optional additional configuration
+ * @returns Configured OpenAI provider instance
+ */
+export function createOpenAIProvider(
+  apiKey: string,
+  options: Partial<Omit<OpenAIConfig, 'apiKey'>> = {}
+): OpenAIProvider {
+  return new OpenAIProvider({
+    apiKey,
+    ...options
+  });
+}
+
 /**
  * Provider registry for dynamic provider creation
  */
@@ -101,4 +121,5 @@ export class ProviderRegistry {
 }
 
 // Pre-register built-in providers
-ProviderRegistry.register('claude', ClaudeProvider); 
+ProviderRegistry.register('claude', ClaudeProvider);
+ProviderRegistry.register('openai', OpenAIProvider);