@mondaydotcomorg/atp-client/dist/core/index.js

Client SDK for Agent Tool Protocol

import { ExecutionStatus, CallbackType, ToolOperation } from '@mondaydotcomorg/atp-protocol';
export { CallbackType } from '@mondaydotcomorg/atp-protocol';
import { log } from '@mondaydotcomorg/atp-runtime';

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
  get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
  if (typeof require !== "undefined") return require.apply(this, arguments);
  throw Error('Dynamic require of "' + x + '" is not supported');
});

// src/core/session.ts
var ClientSession = class {
  static {
    __name(this, "ClientSession");
  }
  baseUrl;
  customHeaders;
  clientId;
  clientToken;
  initPromise;
  hooks;
  constructor(baseUrl, headers, hooks) {
    this.baseUrl = baseUrl;
    this.customHeaders = headers || {};
    this.hooks = hooks;
  }
  /**
  * Initializes the client session with the server.
  * This MUST be called before any other operations.
  * The server generates and returns a unique client ID and token.
  * @param clientInfo - Optional client information
  * @param tools - Optional client tool definitions to register with the server
  * @param services - Optional client service capabilities (LLM, approval, embedding)
  */
  async init(clientInfo, tools, services) {
    if (this.initPromise) {
      await this.initPromise;
      return {
        clientId: this.clientId,
        token: this.clientToken,
        expiresAt: 0,
        tokenRotateAt: 0
      };
    }
    this.initPromise = (async () => {
      const url = `${this.baseUrl}/api/init`;
      const body = JSON.stringify({
        clientInfo,
        tools: tools || [],
        services
      });
      const headers = await this.prepareHeaders("POST", url, body);
      const response = await fetch(url, {
        method: "POST",
        headers,
        body
      });
      if (!response.ok) {
        throw new Error(`Client initialization failed: ${response.status} ${response.statusText}`);
      }
      const data = await response.json();
      this.clientId = data.clientId;
      this.clientToken = data.token;
    })();
    await this.initPromise;
    return {
      clientId: this.clientId,
      token: this.clientToken,
      expiresAt: 0,
      tokenRotateAt: 0
    };
  }
  /**
  * Gets the unique client ID.
  */
  getClientId() {
    if (!this.clientId) {
      throw new Error("Client not initialized. Call init() first.");
    }
    return this.clientId;
  }
  /**
  * Ensures the client is initialized before making requests.
  */
  async ensureInitialized() {
    if (!this.clientId) {
      throw new Error("Client not initialized. Call init() first.");
    }
  }
  /**
  * Creates HTTP headers for requests.
  */
  getHeaders() {
    const headers = {
      "Content-Type": "application/json",
      ...this.customHeaders
    };
    if (this.clientId) {
      headers["X-Client-ID"] = this.clientId;
    }
    if (this.clientToken) {
      headers["Authorization"] = `Bearer ${this.clientToken}`;
    }
    return headers;
  }
  getBaseUrl() {
    return this.baseUrl;
  }
  /**
  * Updates the client token from response headers (token refresh).
  */
  updateToken(response) {
    const newToken = response.headers.get("X-ATP-Token");
    if (newToken) {
      this.clientToken = newToken;
    }
  }
  /**
  * Prepares headers for a request, calling preRequest hook if configured
  */
  async prepareHeaders(method, url, body) {
    let headers = {
      "Content-Type": "application/json",
      ...this.customHeaders
    };
    if (this.clientId) {
      headers["X-Client-ID"] = this.clientId;
    }
    if (this.clientToken) {
      headers["Authorization"] = `Bearer ${this.clientToken}`;
    }
    if (this.hooks?.preRequest) {
      try {
        const result = await this.hooks.preRequest({
          url,
          method,
          currentHeaders: headers,
          body
        });
        if (result.abort) {
          throw new Error(result.abortReason || "Request aborted by preRequest hook");
        }
        if (result.headers) {
          headers = result.headers;
        }
      } catch (error) {
        throw error;
      }
    }
    return headers;
  }
};

// src/core/in-process-session.ts
var InProcessSession = class {
  static {
    __name(this, "InProcessSession");
  }
  server;
  clientId;
  clientToken;
  initialized = false;
  initPromise;
  constructor(server) {
    this.server = server;
  }
  async init(clientInfo, tools, services) {
    if (this.initPromise) {
      await this.initPromise;
      return {
        clientId: this.clientId,
        token: this.clientToken,
        expiresAt: 0,
        tokenRotateAt: 0
      };
    }
    this.initPromise = (async () => {
      await this.server.start();
      const ctx = this.createContext({
        method: "POST",
        path: "/api/init",
        body: {
          clientInfo,
          tools: tools || [],
          services
        }
      });
      const result = await this.server.handleInit(ctx);
      this.clientId = result.clientId;
      this.clientToken = result.token;
      this.initialized = true;
    })();
    await this.initPromise;
    return {
      clientId: this.clientId,
      token: this.clientToken,
      expiresAt: 0,
      tokenRotateAt: 0
    };
  }
  getClientId() {
    if (!this.clientId) {
      throw new Error("Client not initialized. Call init() first.");
    }
    return this.clientId;
  }
  async ensureInitialized() {
    if (!this.initialized) {
      throw new Error("Client not initialized. Call init() first.");
    }
  }
  getHeaders() {
    const headers = {
      "content-type": "application/json"
    };
    if (this.clientId) {
      headers["x-client-id"] = this.clientId;
    }
    if (this.clientToken) {
      headers["authorization"] = `Bearer ${this.clientToken}`;
    }
    return headers;
  }
  getBaseUrl() {
    return "";
  }
  updateToken(_response) {
  }
  async prepareHeaders(_method, _url, _body) {
    return this.getHeaders();
  }
  async getDefinitions(options) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "GET",
      path: "/api/definitions",
      query: options?.apiGroups ? {
        apiGroups: options.apiGroups.join(",")
      } : {}
    });
    return await this.server.getDefinitions(ctx);
  }
  async getRuntimeDefinitions(options) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "GET",
      path: "/api/runtime",
      query: options?.apis?.length ? {
        apis: options.apis.join(",")
      } : {}
    });
    return await this.server.getRuntimeDefinitions(ctx);
  }
  async getServerInfo() {
    await this.ensureInitialized();
    return this.server.getInfo();
  }
  async search(query, options) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "POST",
      path: "/api/search",
      body: {
        query,
        ...options
      }
    });
    return await this.server.handleSearch(ctx);
  }
  async explore(path) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "POST",
      path: "/api/explore",
      body: {
        path
      }
    });
    return await this.server.handleExplore(ctx);
  }
  async execute(code, config) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "POST",
      path: "/api/execute",
      body: {
        code,
        config
      }
    });
    return await this.server.handleExecute(ctx);
  }
  async resume(executionId, callbackResult) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "POST",
      path: `/api/resume/${executionId}`,
      body: {
        result: callbackResult
      }
    });
    return await this.server.handleResume(ctx, executionId);
  }
  async resumeWithBatchResults(executionId, batchResults) {
    await this.ensureInitialized();
    const ctx = this.createContext({
      method: "POST",
      path: `/api/resume/${executionId}`,
      body: {
        results: batchResults
      }
    });
    return await this.server.handleResume(ctx, executionId);
  }
  createContext(options) {
    const noopLogger = {
      debug: /* @__PURE__ */ __name(() => {
      }, "debug"),
      info: /* @__PURE__ */ __name(() => {
      }, "info"),
      warn: /* @__PURE__ */ __name(() => {
      }, "warn"),
      error: /* @__PURE__ */ __name(() => {
      }, "error")
    };
    return {
      method: options.method,
      path: options.path,
      query: options.query || {},
      headers: this.getHeaders(),
      body: options.body,
      clientId: this.clientId,
      clientToken: this.clientToken,
      logger: noopLogger,
      status: 200,
      responseBody: null,
      throw: /* @__PURE__ */ __name((status, message) => {
        const error = new Error(message);
        error.status = status;
        throw error;
      }, "throw"),
      assert: /* @__PURE__ */ __name((condition, message) => {
        if (!condition) {
          throw new Error(message);
        }
      }, "assert"),
      set: /* @__PURE__ */ __name(() => {
      }, "set")
    };
  }
};

// src/core/api-operations.ts
var APIOperations = class {
  static {
    __name(this, "APIOperations");
  }
  session;
  inProcessSession;
  apiDefinitions;
  constructor(session, inProcessSession) {
    this.session = session;
    this.inProcessSession = inProcessSession;
  }
  /**
  * Connects to the server and retrieves API definitions.
  */
  async connect(options) {
    await this.session.ensureInitialized();
    if (this.inProcessSession) {
      const data2 = await this.inProcessSession.getDefinitions(options);
      this.apiDefinitions = data2.typescript;
      return {
        serverVersion: data2.version,
        capabilities: {},
        apiGroups: data2.apiGroups
      };
    }
    const params = new URLSearchParams();
    if (options?.apiGroups) {
      params.set("apiGroups", options.apiGroups.join(","));
    }
    const url = `${this.session.getBaseUrl()}/api/definitions?${params}`;
    const headers = await this.session.prepareHeaders("GET", url);
    const response = await fetch(url, {
      headers
    });
    if (!response.ok) {
      throw new Error(`Connection failed: ${response.status} ${response.statusText}`);
    }
    const data = await response.json();
    this.apiDefinitions = data.typescript;
    return {
      serverVersion: data.version,
      capabilities: {},
      apiGroups: data.apiGroups
    };
  }
  /**
  * Gets the TypeScript type definitions for available APIs.
  */
  getTypeDefinitions() {
    if (!this.apiDefinitions) {
      throw new Error("Not connected. Call connect() first.");
    }
    return this.apiDefinitions;
  }
  /**
  * Searches for available API functions.
  */
  async searchAPI(query, options) {
    await this.session.ensureInitialized();
    if (this.inProcessSession) {
      const data2 = await this.inProcessSession.search(query, options);
      return data2.results;
    }
    const url = `${this.session.getBaseUrl()}/api/search`;
    const body = JSON.stringify({
      query,
      ...options
    });
    const headers = await this.session.prepareHeaders("POST", url, body);
    const response = await fetch(url, {
      method: "POST",
      headers,
      body
    });
    if (!response.ok) {
      throw new Error(`Search failed: ${response.status} ${response.statusText}`);
    }
    const data = await response.json();
    return data.results;
  }
  /**
  * Explores the API filesystem at the given path.
  */
  async exploreAPI(path) {
    await this.session.ensureInitialized();
    if (this.inProcessSession) {
      return await this.inProcessSession.explore(path);
    }
    const url = `${this.session.getBaseUrl()}/api/explore`;
    const body = JSON.stringify({
      path
    });
    const headers = await this.session.prepareHeaders("POST", url, body);
    const response = await fetch(url, {
      method: "POST",
      headers,
      body
    });
    if (!response.ok) {
      throw new Error(`Explore failed: ${response.status} ${response.statusText}`);
    }
    return await response.json();
  }
  /**
  * Gets information about the server.
  */
  async getServerInfo() {
    await this.session.ensureInitialized();
    if (this.inProcessSession) {
      return await this.inProcessSession.getServerInfo();
    }
    const url = `${this.session.getBaseUrl()}/api/info`;
    const headers = await this.session.prepareHeaders("GET", url);
    const response = await fetch(url, {
      headers
    });
    if (!response.ok) {
      throw new Error(`Failed to get server info: ${response.status}`);
    }
    return await response.json();
  }
  /**
  * Gets ATP runtime API definitions as TypeScript declarations.
  * Returns the full TypeScript definitions for atp.llm.*, atp.cache.*, etc.
  * These are the APIs available during code execution.
  *
  * Behavior:
  * - No options: Returns APIs based on client capabilities (default filtering)
  * - apis: ['llm', 'cache']: Returns only specified APIs (intersection with client capabilities)
  * - apis: []: Returns all APIs regardless of client capabilities
  *
  * @param options - Optional filtering options
  * @param options.apis - Specific APIs to include (e.g., ['llm', 'cache', 'approval'])
  */
  async getRuntimeDefinitions(options) {
    await this.session.ensureInitialized();
    if (this.inProcessSession) {
      return await this.inProcessSession.getRuntimeDefinitions(options?.apis ? {
        apis: options.apis
      } : void 0);
    }
    const params = new URLSearchParams();
    if (options?.apis && options.apis.length > 0) {
      params.set("apis", options.apis.join(","));
    }
    const url = `${this.session.getBaseUrl()}/api/runtime${params.toString() ? `?${params}` : ""}`;
    const headers = await this.session.prepareHeaders("GET", url);
    const response = await fetch(url, {
      headers
    });
    if (!response.ok) {
      throw new Error(`Failed to get runtime definitions: ${response.status}`);
    }
    return await response.text();
  }
};

// src/errors.ts
var ClientCallbackError = class extends Error {
  static {
    __name(this, "ClientCallbackError");
  }
  constructor(message) {
    super(message);
    this.name = "ClientCallbackError";
  }
};

// src/core/provenance-registry.ts
var ProvenanceTokenRegistry = class {
  static {
    __name(this, "ProvenanceTokenRegistry");
  }
  cache = /* @__PURE__ */ new Map();
  maxSize;
  ttl;
  sequenceCounter = 0;
  constructor(maxSize = 1e4, ttlHours = 1) {
    this.maxSize = maxSize;
    this.ttl = ttlHours * 3600 * 1e3;
  }
  /**
  * Add a token to the registry
  */
  add(token) {
    this.evictExpired();
    if (this.cache.size >= this.maxSize) {
      this.evictLRU();
    }
    this.cache.set(token, {
      token,
      addedAt: Date.now(),
      sequence: this.sequenceCounter++
    });
  }
  /**
  * Get recent tokens (non-expired, sorted by age, limited)
  * Returns tokens in chronological order (oldest first, most recent last)
  */
  getRecentTokens(maxCount = 1e3) {
    if (maxCount <= 0) {
      return [];
    }
    this.evictExpired();
    const now = Date.now();
    const expiredTokens = [];
    const entries = Array.from(this.cache.values()).filter((entry) => {
      try {
        const [body] = entry.token.split(".");
        if (!body) {
          expiredTokens.push(entry.token);
          return false;
        }
        const payload = JSON.parse(Buffer.from(body, "base64url").toString());
        if (!payload.expiresAt || payload.expiresAt <= now) {
          expiredTokens.push(entry.token);
          return false;
        }
        return true;
      } catch {
        expiredTokens.push(entry.token);
        return false;
      }
    }).sort((a, b) => a.sequence - b.sequence).slice(-maxCount);
    for (const token of expiredTokens) {
      this.cache.delete(token);
    }
    return entries.map((e) => e.token);
  }
  /**
  * Clear all tokens
  */
  clear() {
    this.cache.clear();
  }
  /**
  * Get registry size
  */
  size() {
    return this.cache.size;
  }
  /**
  * Evict expired tokens
  */
  evictExpired() {
    const now = Date.now();
    const toDelete = [];
    for (const [token, entry] of this.cache.entries()) {
      if (now - entry.addedAt > this.ttl) {
        toDelete.push(token);
      }
    }
    for (const token of toDelete) {
      this.cache.delete(token);
    }
  }
  /**
  * Evict least recently used (oldest) token
  */
  evictLRU() {
    let oldestToken = null;
    let oldestSequence = Infinity;
    for (const [token, entry] of this.cache.entries()) {
      if (entry.sequence < oldestSequence) {
        oldestSequence = entry.sequence;
        oldestToken = token;
      }
    }
    if (oldestToken) {
      this.cache.delete(oldestToken);
    }
  }
};

// src/core/execution-operations.ts
var ExecutionOperations = class {
  static {
    __name(this, "ExecutionOperations");
  }
  session;
  inProcessSession;
  serviceProviders;
  tokenRegistry;
  lastExecutionConfig = null;
  constructor(session, serviceProviders, inProcessSession) {
    this.session = session;
    this.inProcessSession = inProcessSession;
    this.serviceProviders = serviceProviders;
    this.tokenRegistry = new ProvenanceTokenRegistry();
  }
  /**
  * Executes code on the server with real-time progress updates via SSE.
  */
  async executeStream(code, config, onProgress) {
    await this.session.ensureInitialized();
    const url = `${this.session.getBaseUrl()}/api/execute/stream`;
    const body = JSON.stringify({
      code,
      config
    });
    const headers = await this.session.prepareHeaders("POST", url, body);
    return new Promise((resolve, reject) => {
      const fetchImpl = typeof fetch !== "undefined" ? fetch : __require("undici").fetch;
      fetchImpl(url, {
        method: "POST",
        headers,
        body
      }).then(async (response) => {
        if (!response.ok) {
          throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        const reader = response.body?.getReader();
        if (!reader) {
          throw new Error("Response body is not readable");
        }
        const decoder = new TextDecoder();
        let buffer = "";
        let result = null;
        while (true) {
          const { done, value } = await reader.read();
          if (done) break;
          buffer += decoder.decode(value, {
            stream: true
          });
          const lines = buffer.split("\n");
          buffer = lines.pop() || "";
          for (let i = 0; i < lines.length; i++) {
            const line = lines[i];
            if (line && line.startsWith("event:")) {
              const event = line.substring(6).trim();
              for (let j = i + 1; j < lines.length; j++) {
                const dataLine = lines[j];
                if (dataLine && dataLine.startsWith("data:")) {
                  const dataStr = dataLine.substring(5).trim();
                  if (dataStr) {
                    try {
                      const data = JSON.parse(dataStr);
                      if (event === "progress" && onProgress) {
                        onProgress(data.message, data.fraction);
                      } else if (event === "result") {
                        result = data;
                      } else if (event === "error") {
                        reject(new Error(data.message));
                        return;
                      }
                    } catch (e) {
                      log.error("Failed to parse SSE data", {
                        dataStr,
                        error: e
                      });
                    }
                  }
                  break;
                }
              }
            }
          }
        }
        if (result) {
          resolve(result);
        } else {
          reject(new Error("No result received from server"));
        }
      }).catch(reject);
    });
  }
  /**
  * Executes code on the server in a sandboxed environment.
  */
  async execute(code, config) {
    await this.session.ensureInitialized();
    const hints = this.tokenRegistry.getRecentTokens(1e3);
    const detectedClientServices = {
      hasLLM: !!this.serviceProviders.getLLM(),
      hasApproval: !!this.serviceProviders.getApproval(),
      hasEmbedding: !!this.serviceProviders.getEmbedding(),
      hasTools: this.serviceProviders.hasTools()
    };
    const executionConfig = {
      ...config,
      clientServices: {
        ...detectedClientServices,
        ...config?.clientServices || {}
      },
      provenanceHints: hints.length > 0 ? hints : void 0
    };
    this.lastExecutionConfig = executionConfig;
    let result;
    if (this.inProcessSession) {
      result = await this.inProcessSession.execute(code, executionConfig);
    } else {
      const url = `${this.session.getBaseUrl()}/api/execute`;
      const body = JSON.stringify({
        code,
        config: executionConfig
      });
      const headers = await this.session.prepareHeaders("POST", url, body);
      const response = await fetch(url, {
        method: "POST",
        headers,
        body
      });
      this.session.updateToken(response);
      if (!response.ok) {
        const error = await response.json();
        throw new Error(`Execution failed: ${error.error || response.statusText}`);
      }
      result = await response.json();
    }
    if (result.provenanceTokens && result.provenanceTokens.length > 0) {
      for (const { token } of result.provenanceTokens) {
        this.tokenRegistry.add(token);
      }
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallbacks) {
      return await this.handleBatchCallbacksAndResume(result);
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallback) {
      return await this.handlePauseAndResume(result);
    }
    return result;
  }
  /**
  * Handles batch callbacks by executing them in parallel and resuming.
  */
  async handleBatchCallbacksAndResume(pausedResult) {
    if (!pausedResult.needsCallbacks || pausedResult.needsCallbacks.length === 0) {
      throw new Error("No batch callback requests in paused execution");
    }
    const missingServiceIds = new Set(pausedResult.needsCallbacks.filter((cb) => !this.serviceProviders.hasServiceForCallback(cb.type)).map((cb) => cb.id));
    if (missingServiceIds.size > 0) {
      const missingServices = pausedResult.needsCallbacks.filter((cb) => missingServiceIds.has(cb.id));
      const explicitlyRequestedMissing = missingServices.filter((cb) => this.wasServiceExplicitlyRequested(cb.type));
      const unexpectedMissing = missingServices.filter((cb) => !this.wasServiceExplicitlyRequested(cb.type));
      if (explicitlyRequestedMissing.length > 0) {
        return pausedResult;
      }
      const errorMessage = `Missing service providers for callback types: ${unexpectedMissing.map((cb) => cb.type).join(", ")}`;
      log.error(`Auto-handling batch paused execution without service providers: ${errorMessage}`, {
        executionId: pausedResult.executionId,
        missingServices: unexpectedMissing.map((cb) => ({
          type: cb.type,
          operation: cb.operation,
          id: cb.id
        }))
      });
      const existingCallbacks = pausedResult.needsCallbacks.filter((cb) => !missingServiceIds.has(cb.id));
      if (existingCallbacks.length > 0) {
        try {
          const existingResults = await Promise.all(existingCallbacks.map(async (cb) => {
            const callbackResult = await this.serviceProviders.handleCallback(cb.type, {
              ...cb.payload,
              operation: cb.operation
            });
            return {
              id: cb.id,
              result: callbackResult
            };
          }));
          const allResults = pausedResult.needsCallbacks.map((cb) => {
            if (missingServiceIds.has(cb.id)) {
              return {
                id: cb.id,
                result: {
                  __error: true,
                  message: `${cb.type} service not provided by client`
                }
              };
            }
            return existingResults.find((r) => r.id === cb.id);
          });
          return await this.resumeWithBatchResults(pausedResult.executionId, allResults);
        } catch (error) {
          const errorMessage2 = error instanceof Error ? error.message : String(error);
          log.error(`Error handling existing services in batch: ${errorMessage2}`, {
            executionId: pausedResult.executionId
          });
          const allErrorResults = pausedResult.needsCallbacks.map((cb) => ({
            id: cb.id,
            result: {
              __error: true,
              message: missingServiceIds.has(cb.id) ? `${cb.type} service not provided by client` : errorMessage2
            }
          }));
          return await this.resumeWithBatchResults(pausedResult.executionId, allErrorResults);
        }
      } else {
        const allErrorResults = pausedResult.needsCallbacks.map((cb) => ({
          id: cb.id,
          result: {
            __error: true,
            message: `${cb.type} service not provided by client`
          }
        }));
        return await this.resumeWithBatchResults(pausedResult.executionId, allErrorResults);
      }
    }
    try {
      const batchResults = await Promise.all(pausedResult.needsCallbacks.map(async (cb) => {
        const callbackResult = await this.serviceProviders.handleCallback(cb.type, {
          ...cb.payload,
          operation: cb.operation
        });
        return {
          id: cb.id,
          result: callbackResult
        };
      }));
      return await this.resumeWithBatchResults(pausedResult.executionId, batchResults);
    } catch (error) {
      const errorMessage = error instanceof Error ? error.message : String(error);
      log.error(`Error handling batch callbacks: ${errorMessage}`, {
        executionId: pausedResult.executionId,
        callbackCount: pausedResult.needsCallbacks.length
      });
      const allErrorResults = pausedResult.needsCallbacks.map((cb) => ({
        id: cb.id,
        result: {
          __error: true,
          message: errorMessage
        }
      }));
      return await this.resumeWithBatchResults(pausedResult.executionId, allErrorResults);
    }
  }
  /**
  * Handles a paused execution by processing the callback and resuming.
  */
  async handlePauseAndResume(pausedResult) {
    if (!pausedResult.needsCallback) {
      throw new Error("No callback request in paused execution");
    }
    if (!this.serviceProviders.hasServiceForCallback(pausedResult.needsCallback.type)) {
      const wasExplicitlyRequested = this.wasServiceExplicitlyRequested(pausedResult.needsCallback.type);
      if (wasExplicitlyRequested) {
        return pausedResult;
      }
      const errorMessage = `${pausedResult.needsCallback.type} service not provided by client`;
      log.error(`Auto-handling paused execution without service provider: ${errorMessage}`, {
        executionId: pausedResult.executionId,
        callbackType: pausedResult.needsCallback.type,
        operation: pausedResult.needsCallback.operation
      });
      return await this.resume(pausedResult.executionId, {
        __error: true,
        message: errorMessage
      });
    }
    try {
      const callbackResult = await this.serviceProviders.handleCallback(pausedResult.needsCallback.type, {
        ...pausedResult.needsCallback.payload,
        operation: pausedResult.needsCallback.operation,
        executionId: pausedResult.executionId
      });
      return await this.resume(pausedResult.executionId, callbackResult);
    } catch (error) {
      if (error instanceof ClientCallbackError) {
        throw error;
      }
      const errorMessage = error instanceof Error ? error.message : String(error);
      log.error(`Error handling callback: ${errorMessage}`, {
        executionId: pausedResult.executionId,
        callbackType: pausedResult.needsCallback.type,
        operation: pausedResult.needsCallback.operation
      });
      return await this.resume(pausedResult.executionId, {
        __error: true,
        message: errorMessage
      });
    }
  }
  /**
  * Check if a service was explicitly requested in clientServices config
  */
  wasServiceExplicitlyRequested(callbackType) {
    if (!this.lastExecutionConfig?.clientServices) {
      return false;
    }
    switch (callbackType) {
      case CallbackType.LLM:
        return this.lastExecutionConfig.clientServices.hasLLM;
      case CallbackType.APPROVAL:
        return this.lastExecutionConfig.clientServices.hasApproval;
      case CallbackType.EMBEDDING:
        return this.lastExecutionConfig.clientServices.hasEmbedding;
      case CallbackType.TOOL:
        return this.lastExecutionConfig.clientServices.hasTools;
      default:
        return false;
    }
  }
  /**
  * Resumes a paused execution with a callback result.
  */
  async resume(executionId, callbackResult) {
    await this.session.ensureInitialized();
    let result;
    if (this.inProcessSession) {
      result = await this.inProcessSession.resume(executionId, callbackResult);
    } else {
      const url = `${this.session.getBaseUrl()}/api/resume/${executionId}`;
      const body = JSON.stringify({
        result: callbackResult
      });
      const headers = await this.session.prepareHeaders("POST", url, body);
      const response = await fetch(url, {
        method: "POST",
        headers,
        body
      });
      this.session.updateToken(response);
      if (!response.ok) {
        const error = await response.json();
        throw new Error(`Resume failed: ${error.error || response.statusText}`);
      }
      result = await response.json();
    }
    if (result.provenanceTokens && result.provenanceTokens.length > 0) {
      for (const { token } of result.provenanceTokens) {
        this.tokenRegistry.add(token);
      }
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallbacks) {
      return await this.handleBatchCallbacksAndResume(result);
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallback) {
      return await this.handlePauseAndResume(result);
    }
    return result;
  }
  /**
  * Resumes a paused execution with batch callback results.
  */
  async resumeWithBatchResults(executionId, batchResults) {
    await this.session.ensureInitialized();
    let result;
    if (this.inProcessSession) {
      result = await this.inProcessSession.resumeWithBatchResults(executionId, batchResults);
    } else {
      const url = `${this.session.getBaseUrl()}/api/resume/${executionId}`;
      const body = JSON.stringify({
        results: batchResults
      });
      const headers = await this.session.prepareHeaders("POST", url, body);
      const response = await fetch(url, {
        method: "POST",
        headers,
        body
      });
      this.session.updateToken(response);
      if (!response.ok) {
        const error = await response.json();
        throw new Error(`Batch resume failed: ${error.error || response.statusText}`);
      }
      result = await response.json();
    }
    if (result.provenanceTokens && result.provenanceTokens.length > 0) {
      for (const { token } of result.provenanceTokens) {
        this.tokenRegistry.add(token);
      }
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallbacks) {
      return await this.handleBatchCallbacksAndResume(result);
    }
    if (result.status === ExecutionStatus.PAUSED && result.needsCallback) {
      return await this.handlePauseAndResume(result);
    }
    return result;
  }
};
var LLMOperation = {
  CALL: "call",
  EXTRACT: "extract",
  CLASSIFY: "classify"
};
var EmbeddingOperation = {
  EMBED: "embed",
  SEARCH: "search"
};
var ServiceProviders = class {
  static {
    __name(this, "ServiceProviders");
  }
  providers = {};
  toolHandlers = /* @__PURE__ */ new Map();
  constructor(providers) {
    this.providers = providers || {};
    if (providers?.tools) {
      for (const tool of providers.tools) {
        this.toolHandlers.set(tool.name, tool.handler);
      }
    }
  }
  provideLLM(handler) {
    this.providers.llm = handler;
  }
  provideApproval(handler) {
    this.providers.approval = handler;
  }
  provideEmbedding(handler) {
    this.providers.embedding = handler;
  }
  provideTools(tools) {
    this.providers.tools = tools;
    for (const tool of tools) {
      this.toolHandlers.set(tool.name, tool.handler);
    }
  }
  getLLM() {
    return this.providers.llm;
  }
  getApproval() {
    return this.providers.approval;
  }
  getEmbedding() {
    return this.providers.embedding;
  }
  getTools() {
    return this.providers.tools;
  }
  /**
  * Get tool definitions (without handlers) for sending to server
  */
  getToolDefinitions() {
    if (!this.providers.tools) {
      return [];
    }
    return this.providers.tools.map((tool) => {
      const { handler, ...definition } = tool;
      return definition;
    });
  }
  /**
  * Check if client has tools
  */
  hasTools() {
    return !!(this.providers.tools && this.providers.tools.length > 0);
  }
  /**
  * Check if client has any services or tools
  */
  hasAnyServices() {
    return !!(this.providers.llm || this.providers.approval || this.providers.embedding || this.hasTools());
  }
  /**
  * Check if client has a service for a specific callback type
  */
  hasServiceForCallback(callbackType) {
    switch (callbackType) {
      case CallbackType.LLM:
        return !!this.providers.llm;
      case CallbackType.APPROVAL:
        return !!this.providers.approval;
      case CallbackType.EMBEDDING:
        return !!this.providers.embedding;
      case CallbackType.TOOL:
        return this.hasTools();
      default:
        return false;
    }
  }
  async handleCallback(callbackType, payload) {
    if (payload.operation === "batch_parallel" && payload.calls) {
      return await Promise.all(payload.calls.map(async (call) => {
        return await this.handleCallback(call.type, {
          ...call.payload,
          operation: call.operation
        });
      }));
    }
    switch (callbackType) {
      case CallbackType.LLM:
        if (!this.providers.llm) {
          throw new Error("LLM service not provided by client");
        }
        if (payload.operation === LLMOperation.CALL) {
          return await this.providers.llm.call(payload.prompt, payload.options);
        } else if (payload.operation === LLMOperation.EXTRACT && this.providers.llm.extract) {
          return await this.providers.llm.extract(payload.prompt, payload.schema, payload.options);
        } else if (payload.operation === LLMOperation.CLASSIFY && this.providers.llm.classify) {
          return await this.providers.llm.classify(payload.text, payload.categories, payload.options);
        }
        throw new Error(`Unsupported LLM operation: ${payload.operation}`);
      case CallbackType.APPROVAL:
        if (!this.providers.approval) {
          throw new Error("Approval service not provided by client");
        }
        const contextWithExecutionId = payload.context ? {
          ...payload.context,
          executionId: payload.executionId
        } : {
          executionId: payload.executionId
        };
        return await this.providers.approval.request(payload.message, contextWithExecutionId);
      case CallbackType.EMBEDDING:
        if (!this.providers.embedding) {
          throw new Error("Embedding service not provided by client");
        }
        if (payload.operation === EmbeddingOperation.EMBED) {
          return await this.providers.embedding.embed(payload.text);
        } else if (payload.operation === EmbeddingOperation.SEARCH) {
          const queryEmbedding = await this.providers.embedding.embed(payload.query);
          return queryEmbedding;
        } else if (payload.operation === "similarity" && this.providers.embedding.similarity) {
          return await this.providers.embedding.similarity(payload.text1, payload.text2);
        }
        throw new Error(`Unsupported embedding operation: ${payload.operation}`);
      case CallbackType.TOOL:
        if (payload.operation === ToolOperation.CALL) {
          const toolName = payload.toolName;
          const handler = this.toolHandlers.get(toolName);
          if (!handler) {
            throw new Error(`Tool '${toolName}' not found in client tools`);
          }
          const result = await handler(payload.input);
          return result;
        }
        throw new Error(`Unsupported tool operation: ${payload.operation}`);
      default:
        throw new Error(`Unknown callback type: ${callbackType}`);
    }
  }
};

export { APIOperations, ClientSession, ExecutionOperations, InProcessSession, ServiceProviders };
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