Personal-Test-Ground-Nest/src/FFB/studio-entry.ts

import { FFBLangChainService } from './services/ffb-langchain.service';
import { FFBVectorService } from './services/ffb-vector.service';

// 1. Mock the Gateway (it just needs to not crash when emitThought is called)
const mockGateway = {
  emitThought: (socketId: string, payload: any) => {
    console.log(`[Studio Thought - ${socketId}]:`, payload.message);
  }
} as any;

// 2. Mock the Vector Service 
// Note: For real data in Studio, you'd connect to your dev Mongo here
const mockVectorService = {
  vectorSearch: async () => [],
  aggregate: async () => [{ totalValue: 0 }],
  getDistinct: async () => [],
  getSchemaContext: async () => "Fields: site, weight, quantity, block, phase"
} as any;

// 3. Initialize the service
const langChainService = new FFBLangChainService(mockVectorService, mockGateway);

// 4. Export the compiled graph (Crucial for Studio)
export const graph = langChainService['graph'];