feat(docs): update README with OpenWebUI support details

src/utils/factory.ts

@@ -7,12 +7,13 @@ import type { AIProviderConfig } from '../types/index.js';
 import { ClaudeProvider, type ClaudeConfig } from '../providers/claude.js';
 import { OpenAIProvider, type OpenAIConfig } from '../providers/openai.js';
 import { GeminiProvider, type GeminiConfig } from '../providers/gemini.js';
+import { OpenWebUIProvider, type OpenWebUIConfig } from '../providers/openwebui.js';
 import { BaseAIProvider } from '../providers/base.js';
 
 /**
  * Supported AI provider types
  */
-export type ProviderType = 'claude' | 'openai' | 'gemini';
+export type ProviderType = 'claude' | 'openai' | 'gemini' | 'openwebui';
 
 /**
  * Configuration map for different provider types
@@ -21,6 +22,7 @@ export interface ProviderConfigMap {
   claude: ClaudeConfig;
   openai: OpenAIConfig;
   gemini: GeminiConfig;
+  openwebui: OpenWebUIConfig;
 }
 
 /**
@@ -40,6 +42,8 @@ export function createProvider<T extends ProviderType>(
       return new OpenAIProvider(config as OpenAIConfig);
     case 'gemini':
       return new GeminiProvider(config as GeminiConfig);
+    case 'openwebui':
+      return new OpenWebUIProvider(config as OpenWebUIConfig);
     default:
       throw new Error(`Unsupported provider type: ${type}`);
   }
@@ -93,6 +97,13 @@ export function createGeminiProvider(
   });
 }
 
+/**
+ * Create an OpenWebUI provider instance
+ */
+export function createOpenWebUIProvider(config: OpenWebUIConfig): OpenWebUIProvider {
+  return new OpenWebUIProvider(config);
+}
+
 /**
  * Provider registry for dynamic provider creation
  */
@@ -143,4 +154,15 @@ export class ProviderRegistry {
 // Pre-register built-in providers
 ProviderRegistry.register('claude', ClaudeProvider);
 ProviderRegistry.register('openai', OpenAIProvider);
-ProviderRegistry.register('gemini', GeminiProvider); 
+ProviderRegistry.register('gemini', GeminiProvider);
+ProviderRegistry.register('openwebui', OpenWebUIProvider);
+
+/**
+ * Registry of all available providers
+ */
+export const PROVIDER_REGISTRY = {
+  claude: ClaudeProvider,
+  openai: OpenAIProvider,
+  gemini: GeminiProvider,
+  openwebui: OpenWebUIProvider
+} as const;