redesign fully scaffolded and web login works

gateway/src/llm/provider.ts

@@ -1,8 +1,5 @@
 import type { BaseChatModel } from '@langchain/core/language_models/chat_models';
 import { ChatAnthropic } from '@langchain/anthropic';
-import { ChatOpenAI } from '@langchain/openai';
-import { ChatGoogleGenerativeAI } from '@langchain/google-genai';
-import { ChatOpenRouter } from '@langchain/openrouter';
 import type { FastifyBaseLogger } from 'fastify';
 
 /**
@@ -10,9 +7,6 @@ import type { FastifyBaseLogger } from 'fastify';
  */
 export enum LLMProvider {
   ANTHROPIC = 'anthropic',
-  OPENAI = 'openai',
-  GOOGLE = 'google',
-  OPENROUTER = 'openrouter',
 }
 
 /**
@@ -30,9 +24,6 @@ export interface ModelConfig {
  */
 export interface ProviderConfig {
   anthropicApiKey?: string;
-  openaiApiKey?: string;
-  googleApiKey?: string;
-  openrouterApiKey?: string;
 }
 
 /**
@@ -61,15 +52,6 @@ export class LLMProviderFactory {
       case LLMProvider.ANTHROPIC:
         return this.createAnthropicModel(modelConfig);
 
-      case LLMProvider.OPENAI:
-        return this.createOpenAIModel(modelConfig);
-
-      case LLMProvider.GOOGLE:
-        return this.createGoogleModel(modelConfig);
-
-      case LLMProvider.OPENROUTER:
-        return this.createOpenRouterModel(modelConfig);
-
       default:
         throw new Error(`Unsupported provider: ${modelConfig.provider}`);
     }
@@ -91,88 +73,18 @@ export class LLMProviderFactory {
     });
   }
 
-  /**
-   * Create OpenAI GPT model
-   */
-  private createOpenAIModel(config: ModelConfig): ChatOpenAI {
-    if (!this.config.openaiApiKey) {
-      throw new Error('OpenAI API key not configured');
-    }
-
-    return new ChatOpenAI({
-      model: config.model,
-      temperature: config.temperature ?? 0.7,
-      maxTokens: config.maxTokens ?? 4096,
-      openAIApiKey: this.config.openaiApiKey,
-    });
-  }
-
-  /**
-   * Create Google Gemini model
-   */
-  private createGoogleModel(config: ModelConfig): ChatGoogleGenerativeAI {
-    if (!this.config.googleApiKey) {
-      throw new Error('Google API key not configured');
-    }
-
-    return new ChatGoogleGenerativeAI({
-      model: config.model,
-      temperature: config.temperature ?? 0.7,
-      maxOutputTokens: config.maxTokens ?? 4096,
-      apiKey: this.config.googleApiKey,
-    });
-  }
-
-  /**
-   * Create OpenRouter model (access to 300+ models)
-   */
-  private createOpenRouterModel(config: ModelConfig): ChatOpenRouter {
-    if (!this.config.openrouterApiKey) {
-      throw new Error('OpenRouter API key not configured');
-    }
-
-    return new ChatOpenRouter({
-      model: config.model,
-      temperature: config.temperature ?? 0.7,
-      maxTokens: config.maxTokens ?? 4096,
-      apiKey: this.config.openrouterApiKey,
-    });
-  }
-
   /**
    * Get default model based on environment
    */
   getDefaultModel(): ModelConfig {
-    // Check which API keys are available
-    if (this.config.anthropicApiKey) {
-      return {
-        provider: LLMProvider.ANTHROPIC,
-        model: 'claude-3-5-sonnet-20241022',
-      };
+    if (!this.config.anthropicApiKey) {
+      throw new Error('Anthropic API key not configured');
     }
 
-    if (this.config.openaiApiKey) {
-      return {
-        provider: LLMProvider.OPENAI,
-        model: 'gpt-4o',
-      };
-    }
-
-    if (this.config.googleApiKey) {
-      return {
-        provider: LLMProvider.GOOGLE,
-        model: 'gemini-2.0-flash-exp',
-      };
-    }
-
-    if (this.config.openrouterApiKey) {
-      return {
-        provider: LLMProvider.OPENROUTER,
-        model: 'anthropic/claude-3.5-sonnet',
-      };
-    }
-
-    throw new Error('No LLM API keys configured');
+    return {
+      provider: LLMProvider.ANTHROPIC,
+      model: 'claude-3-5-sonnet-20241022',
+    };
   }
 }
 
@@ -180,7 +92,6 @@ export class LLMProviderFactory {
  * Predefined model configurations
  */
 export const MODELS = {
-  // Anthropic
   CLAUDE_SONNET: {
     provider: LLMProvider.ANTHROPIC,
     model: 'claude-3-5-sonnet-20241022',
@@ -193,24 +104,4 @@ export const MODELS = {
     provider: LLMProvider.ANTHROPIC,
     model: 'claude-3-opus-20240229',
   },
-
-  // OpenAI
-  GPT4O: {
-    provider: LLMProvider.OPENAI,
-    model: 'gpt-4o',
-  },
-  GPT4O_MINI: {
-    provider: LLMProvider.OPENAI,
-    model: 'gpt-4o-mini',
-  },
-
-  // Google
-  GEMINI_2_FLASH: {
-    provider: LLMProvider.GOOGLE,
-    model: 'gemini-2.0-flash-exp',
-  },
-  GEMINI_PRO: {
-    provider: LLMProvider.GOOGLE,
-    model: 'gemini-1.5-pro',
-  },
 } as const satisfies Record<string, ModelConfig>;

gateway/src/llm/router.ts

@@ -108,11 +108,11 @@ export class ModelRouter {
       // Pro users get good models
       return isComplex
         ? { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-sonnet-20241022' }
-        : { provider: LLMProvider.OPENAI, model: 'gpt-4o-mini' };
+        : { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-haiku-20241022' };
     }
 
     // Free users get efficient models
-    return { provider: LLMProvider.GOOGLE, model: 'gemini-2.0-flash-exp' };
+    return { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-haiku-20241022' };
   }
 
   /**
@@ -124,10 +124,10 @@ export class ModelRouter {
         return { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-sonnet-20241022' };
 
       case 'pro':
-        return { provider: LLMProvider.OPENAI, model: 'gpt-4o' };
+        return { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-sonnet-20241022' };
 
       case 'free':
-        return { provider: LLMProvider.GOOGLE, model: 'gemini-2.0-flash-exp' };
+        return { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-haiku-20241022' };
 
       default:
         return this.defaultModel;
@@ -137,23 +137,18 @@ export class ModelRouter {
   /**
    * Route to cheapest available model
    */
-  private routeByCost(license: UserLicense): ModelConfig {
-    // Free tier: use cheapest
-    if (license.licenseType === 'free') {
-      return { provider: LLMProvider.GOOGLE, model: 'gemini-2.0-flash-exp' };
-    }
-
-    // Paid tiers: use GPT-4o-mini for cost efficiency
-    return { provider: LLMProvider.OPENAI, model: 'gpt-4o-mini' };
+  private routeByCost(_license: UserLicense): ModelConfig {
+    // All tiers: use Haiku for cost efficiency
+    return { provider: LLMProvider.ANTHROPIC, model: 'claude-3-5-haiku-20241022' };
   }
 
   /**
    * Check if model is allowed for user's license
    */
   private isModelAllowed(model: ModelConfig, license: UserLicense): boolean {
-    // Free tier: only cheap models
+    // Free tier: only Haiku
     if (license.licenseType === 'free') {
-      const allowedModels = ['gemini-2.0-flash-exp', 'gpt-4o-mini', 'claude-3-5-haiku-20241022'];
+      const allowedModels = ['claude-3-5-haiku-20241022'];
       return allowedModels.includes(model.model);
     }