"use strict"; /** * Session Management for multi-turn conversations */ Object.defineProperty(exports, "__esModule", { value: true }); exports.SessionManager = void 0; /** * Session Manager for multi-turn conversations * * @example * ```typescript * import { RuvLLM, SessionManager } from '@ruvector/ruvllm'; * * const llm = new RuvLLM(); * const sessions = new SessionManager(llm); * * // Create a new session * const session = sessions.create(); * * // Chat with context * const response1 = sessions.chat(session.id, 'What is Python?'); * const response2 = sessions.chat(session.id, 'How do I install it?'); * // Second query automatically has context from first * ``` */ class SessionManager { constructor(llm) { this.sessions = new Map(); this.llm = llm; } /** * Create a new conversation session */ create(metadata) { const id = `session-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`; const session = { id, createdAt: new Date(), messageCount: 0, messages: [], context: [], activeMemoryIds: [], metadata: metadata ?? {}, }; this.sessions.set(id, session); return session; } /** * Get session by ID */ get(sessionId) { return this.sessions.get(sessionId); } /** * Chat within a session (maintains context) */ chat(sessionId, message, config) { const session = this.sessions.get(sessionId); if (!session) { throw new Error(`Session not found: ${sessionId}`); } // Add user message session.messages.push({ role: 'user', content: message, timestamp: new Date(), }); // Build context from recent messages const contextWindow = this.buildContext(session); // Query with context const prompt = contextWindow ? `${contextWindow}\n\nUser: ${message}` : message; const response = this.llm.query(prompt, config); // Add assistant response session.messages.push({ role: 'assistant', content: response.text, timestamp: new Date(), requestId: response.requestId, }); session.messageCount = session.messages.length; return response; } /** * Add system message to session */ addSystemMessage(sessionId, content) { const session = this.sessions.get(sessionId); if (!session) { throw new Error(`Session not found: ${sessionId}`); } session.messages.push({ role: 'system', content, timestamp: new Date(), }); session.messageCount = session.messages.length; } /** * Add context to session (persisted to memory) */ addContext(sessionId, context) { const session = this.sessions.get(sessionId); if (!session) { throw new Error(`Session not found: ${sessionId}`); } session.context.push(context); // Also store in memory for retrieval const memoryId = this.llm.addMemory(context, { sessionId, type: 'context', timestamp: new Date().toISOString(), }); session.activeMemoryIds.push(memoryId); return memoryId; } /** * Get conversation history */ getHistory(sessionId, limit) { const session = this.sessions.get(sessionId); if (!session) { return []; } const messages = session.messages; return limit ? messages.slice(-limit) : messages; } /** * Clear session history (keep session active) */ clearHistory(sessionId) { const session = this.sessions.get(sessionId); if (session) { session.messages = []; session.context = []; session.messageCount = 0; } } /** * End and delete session */ end(sessionId) { return this.sessions.delete(sessionId); } /** * List all active sessions */ list() { return Array.from(this.sessions.values()); } /** * Export session as JSON */ export(sessionId) { const session = this.sessions.get(sessionId); if (!session) { return null; } return JSON.stringify(session, null, 2); } /** * Import session from JSON */ import(json) { const data = JSON.parse(json); const session = { ...data, createdAt: new Date(data.createdAt), messages: data.messages.map((m) => ({ ...m, timestamp: new Date(m.timestamp), })), }; this.sessions.set(session.id, session); return session; } /** * Build context string from recent messages */ buildContext(session, maxMessages = 10) { const recent = session.messages.slice(-maxMessages); if (recent.length === 0) { return ''; } const contextParts = []; // Add persistent context if (session.context.length > 0) { contextParts.push('Context:\n' + session.context.join('\n')); } // Add conversation history const history = recent .map(m => { const role = m.role === 'user' ? 'User' : m.role === 'assistant' ? 'Assistant' : 'System'; return `${role}: ${m.content}`; }) .join('\n'); if (history) { contextParts.push('Conversation:\n' + history); } return contextParts.join('\n\n'); } } exports.SessionManager = SessionManager; //# 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* Session Management for multi-turn conversations\n */\n\nimport {\n  ConversationSession,\n  ConversationMessage,\n  QueryResponse,\n  GenerationConfig,\n} from './types';\n\n/**\n * Session Manager for multi-turn conversations\n *\n * @example\n * ```typescript\n * import { RuvLLM, SessionManager } from '@ruvector/ruvllm';\n *\n * const llm = new RuvLLM();\n * const sessions = new SessionManager(llm);\n *\n * // Create a new session\n * const session = sessions.create();\n *\n * // Chat with context\n * const response1 = sessions.chat(session.id, 'What is Python?');\n * const response2 = sessions.chat(session.id, 'How do I install it?');\n * // Second query automatically has context from first\n * ```\n */\nexport class SessionManager {\n  private sessions: Map<string, ConversationSession> = new Map();\n  private llm: { query: (text: string, config?: GenerationConfig) => QueryResponse; addMemory: (content: string, metadata?: Record<string, unknown>) => number };\n\n  constructor(llm: { query: (text: string, config?: GenerationConfig) => QueryResponse; addMemory: (content: string, metadata?: Record<string, unknown>) => number }) {\n    this.llm = llm;\n  }\n\n  /**\n   * Create a new conversation session\n   */\n  create(metadata?: Record<string, unknown>): ConversationSession {\n    const id = `session-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;\n    const session: ConversationSession = {\n      id,\n      createdAt: new Date(),\n      messageCount: 0,\n      messages: [],\n      context: [],\n      activeMemoryIds: [],\n      metadata: metadata ?? {},\n    };\n    this.sessions.set(id, session);\n    return session;\n  }\n\n  /**\n   * Get session by ID\n   */\n  get(sessionId: string): ConversationSession | undefined {\n    return this.sessions.get(sessionId);\n  }\n\n  /**\n   * Chat within a session (maintains context)\n   */\n  chat(sessionId: string, message: string, config?: GenerationConfig): QueryResponse {\n    const session = this.sessions.get(sessionId);\n    if (!session) {\n      throw new Error(`Session not found: ${sessionId}`);\n    }\n\n    // Add user message\n    session.messages.push({\n      role: 'user',\n      content: message,\n      timestamp: new Date(),\n    });\n\n    // Build context from recent messages\n    const contextWindow = this.buildContext(session);\n\n    // Query with context\n    const prompt = contextWindow ? `${contextWindow}\\n\\nUser: ${message}` : message;\n    const response = this.llm.query(prompt, config);\n\n    // Add assistant response\n    session.messages.push({\n      role: 'assistant',\n      content: response.text,\n      timestamp: new Date(),\n      requestId: response.requestId,\n    });\n\n    session.messageCount = session.messages.length;\n\n    return response;\n  }\n\n  /**\n   * Add system message to session\n   */\n  addSystemMessage(sessionId: string, content: string): void {\n    const session = this.sessions.get(sessionId);\n    if (!session) {\n      throw new Error(`Session not found: ${sessionId}`);\n    }\n\n    session.messages.push({\n      role: 'system',\n      content,\n      timestamp: new Date(),\n    });\n    session.messageCount = session.messages.length;\n  }\n\n  /**\n   * Add context to session (persisted to memory)\n   */\n  addContext(sessionId: string, context: string): number {\n    const session = this.sessions.get(sessionId);\n    if (!session) {\n      throw new Error(`Session not found: ${sessionId}`);\n    }\n\n    session.context.push(context);\n\n    // Also store in memory for retrieval\n    const memoryId = this.llm.addMemory(context, {\n      sessionId,\n      type: 'context',\n      timestamp: new Date().toISOString(),\n    });\n\n    session.activeMemoryIds.push(memoryId);\n    return memoryId;\n  }\n\n  /**\n   * Get conversation history\n   */\n  getHistory(sessionId: string, limit?: number): ConversationMessage[] {\n    const session = this.sessions.get(sessionId);\n    if (!session) {\n      return [];\n    }\n\n    const messages = session.messages;\n    return limit ? messages.slice(-limit) : messages;\n  }\n\n  /**\n   * Clear session history (keep session active)\n   */\n  clearHistory(sessionId: string): void {\n    const session = this.sessions.get(sessionId);\n    if (session) {\n      session.messages = [];\n      session.context = [];\n      session.messageCount = 0;\n    }\n  }\n\n  /**\n   * End and delete session\n   */\n  end(sessionId: string): boolean {\n    return this.sessions.delete(sessionId);\n  }\n\n  /**\n   * List all active sessions\n   */\n  list(): ConversationSession[] {\n    return Array.from(this.sessions.values());\n  }\n\n  /**\n   * Export session as JSON\n   */\n  export(sessionId: string): string | null {\n    const session = this.sessions.get(sessionId);\n    if (!session) {\n      return null;\n    }\n\n    return JSON.stringify(session, null, 2);\n  }\n\n  /**\n   * Import session from JSON\n   */\n  import(json: string): ConversationSession {\n    const data = JSON.parse(json);\n    const session: ConversationSession = {\n      ...data,\n      createdAt: new Date(data.createdAt),\n      messages: data.messages.map((m: ConversationMessage) => ({\n        ...m,\n        timestamp: new Date(m.timestamp),\n      })),\n    };\n\n    this.sessions.set(session.id, session);\n    return session;\n  }\n\n  /**\n   * Build context string from recent messages\n   */\n  private buildContext(session: ConversationSession, maxMessages = 10): string {\n    const recent = session.messages.slice(-maxMessages);\n    if (recent.length === 0) {\n      return '';\n    }\n\n    const contextParts: string[] = [];\n\n    // Add persistent context\n    if (session.context.length > 0) {\n      contextParts.push('Context:\\n' + session.context.join('\\n'));\n    }\n\n    // Add conversation history\n    const history = recent\n      .map(m => {\n        const role = m.role === 'user' ? 'User' : m.role === 'assistant' ? 'Assistant' : 'System';\n        return `${role}: ${m.content}`;\n      })\n      .join('\\n');\n\n    if (history) {\n      contextParts.push('Conversation:\\n' + history);\n    }\n\n    return contextParts.join('\\n\\n');\n  }\n}\n"]}