SwiftOpenAI MCP Server

// This file was created to move OpenAIServiceError out of main.swift to resolve '@main' attribute issues. import Foundation enum OpenAIServiceError: LocalizedError { case missingAPIKey case unknownTool(String) case invalidArguments case missingRequiredField(String) case invalidMessageFormat case invalidRole(String) case noEmbeddingGenerated var errorDescription: String? { switch self { case .missingAPIKey: return "API_KEY environment variable is not set" case .unknownTool(let name): return "Unknown tool: \(name)" case .invalidArguments: return "Invalid arguments provided" case .missingRequiredField(let field): return "Missing required field: \(field)" case .invalidMessageFormat: return "Invalid message format" case .invalidRole(let role): return "Invalid role: \(role)" case .noEmbeddingGenerated: return "No embedding was generated" } } }