# Implementation Plan
- [x] 1. Set up core workflow types and interfaces
- Create TypeScript interfaces for WorkflowDefinition, WorkflowExecutionResult, WorkflowStatus, and WorkflowConfig
- Add workflow-related types to the main types index file
- Create validation schemas using Zod for workflow data structures
- _Requirements: 6.1, 3.1_
- [x] 2. Extend configuration system for workflow support
- Update ConfigSchema in configuration.ts to include workflow settings
- Add environment variable handling for workflow configuration
- Create default workflow configuration values
- Add validation for workflow configuration parameters
- _Requirements: 4.1, 4.2_
- [x] 3. Implement WorkflowDiscoveryService
- Create WorkflowDiscoveryService class with workflow listing functionality
- Implement workflow validation logic using the defined schemas
- Add connection testing and health checking methods
- Create error handling for discovery failures
- Write unit tests for WorkflowDiscoveryService
- _Requirements: 1.1, 1.2, 3.2, 5.1_
- [x] 4. Implement WorkflowExecutionService
- Create WorkflowExecutionService class for Simplified API workflow execution
- Implement POST call to `/api/v1/service/workflows/{workflowId}/start` endpoint
- Create payload builder that wraps parameters in `{ input: {...}, source: "application" }` format
- Add execution response parsing to extract correlation_id and workflow_id from response
- Implement polling mechanism with minimum 1000ms interval using status endpoint
- Create status response parser for handling RUNNING/COMPLETED/FAILED/CANCELLED states
- Add input/output extraction from status response and execution time calculation
- Create pollUntilComplete method that continues polling until status is not RUNNING
- Add execution cancellation functionality via API calls (if supported)
- Write unit tests for WorkflowExecutionService with mocked API calls and status responses
- _Requirements: 2.1, 2.3, 7.1, 7.2, 7.4, 7.5_
- [x] 5. Implement WorkflowStatusService
- Create WorkflowStatusService class for API-based status tracking
- Implement GET calls to `/api/v1/service/workflows/{workflowId}/runs/{workflow_id}/status` endpoint
- Add status response parsing for create_time, update_time, status, input, output fields
- Handle RUNNING/COMPLETED/FAILED/CANCELLED status states and timing information
- Create status polling functionality with minimum 1000ms intervals
- Implement proper polling management to avoid excessive API calls
- Add execution tracking and cleanup functionality for completed workflows
- Write unit tests for WorkflowStatusService with actual API response format mocking
- _Requirements: 8.1, 8.2, 8.3, 8.4_
- [x] 6. Implement WorkflowToolManager
- Create WorkflowToolManager class as the main orchestrator
- Implement workflow discovery and tool registration logic
- Add workflow refresh and lifecycle management
- Integrate with existing ToolRegistry for tool registration
- Create configuration and status reporting methods
- Write unit tests for WorkflowToolManager
- _Requirements: 1.1, 1.3, 3.1, 4.3, 4.4_
- [x] 7. Create workflow tool generation logic
- Implement conversion from WorkflowDefinition to ToolDefinition
- Create dynamic tool handlers that make POST calls to `/api/v1/service/workflows/{workflowId}/start`
- Implement parameter wrapping in `{ input: {...}, source: "application" }` format
- Add parameter validation and schema conversion for workflow input parameters
- Implement execution ID tracking and result formatting for MCP responses
- Handle tool naming conflicts and unique name generation
- Write unit tests for tool generation logic with mocked Simplified API workflow executions
- _Requirements: 2.1, 2.2, 3.1, 3.4, 6.4_
- [x] 8. Integrate workflow tools with SimplifiedMCPServer
- Update SimplifiedMCPServer constructor to initialize WorkflowToolManager
- Add workflow tool registration during server startup
- Implement workflow configuration loading and validation
- Add error handling for workflow initialization failures
- Update server startup logging to include workflow tool information
- _Requirements: 1.1, 4.1, 5.1_
- [x] 9. Add workflow error handling and logging
- Create WorkflowErrorHandler class for centralized error management
- Implement graceful degradation when workflows-list-tool is unavailable
- Add structured logging for workflow operations
- Create error response formatting for workflow tool failures
- Write unit tests for error handling scenarios
- _Requirements: 5.1, 5.2, 5.3, 5.4_
- [x] 10. Implement workflow status checking tool
- Create a built-in MCP tool for checking workflow execution status via GET API calls
- Add parameter validation for workflowId and workflow_id (UUID) in status check requests
- Implement API call to `/api/v1/service/workflows/{workflowId}/runs/{workflow_id}/status` endpoint
- Handle cases where status checking API is not available
- Add correlation_id and workflow_id tracking and status response parsing
- Write unit tests for status checking tool with mocked API responses
- _Requirements: 8.1, 8.2, 8.5_
- [x] 11. Add workflow configuration validation and defaults
- Implement configuration validation in ConfigurationManager
- Add environment variable documentation for workflow settings
- Create sensible default values for all workflow configuration
- Add configuration error handling and user-friendly messages
- Write unit tests for configuration validation
- _Requirements: 4.1, 4.2_
- [x] 12. Create integration tests for workflow functionality
- Write end-to-end tests for workflow discovery and execution
- Create mock implementations of workflows-list-tool for testing
- Test MCP protocol compliance for workflow tools
- Add tests for error scenarios and edge cases
- Test integration with existing ToolRegistry and server components
- _Requirements: 1.1, 2.1, 2.2, 5.1_
- [x] 13. Add workflow tool documentation generation
- Extend ToolRegistry documentation generation to include workflow tools
- Add workflow-specific metadata to tool documentation
- Create documentation for workflow configuration options
- Add examples of workflow tool usage
- _Requirements: 3.1, 3.3_
- [x] 14. Implement workflow refresh and hot-reloading
- Add periodic workflow discovery refresh functionality
- Implement tool registry updates for changed workflows
- Add manual refresh trigger capability
- Handle workflow removal and tool cleanup
- Write unit tests for refresh functionality
- _Requirements: 1.3, 4.3_
- [x] 15. Add performance monitoring and cleanup
- Implement execution tracking and performance metrics
- Add cleanup for completed workflow executions
- Create resource usage monitoring for concurrent executions
- Add execution timeout and resource limit enforcement
- Write unit tests for performance and cleanup features
- _Requirements: 7.2, 7.5_
- [x] 16. Update server documentation and examples
- Update README.md with workflow tool configuration instructions
- Add example workflow definitions and usage scenarios
- Document environment variables for workflow configuration
- Create troubleshooting guide for workflow tool issues
- _Requirements: 4.1, 4.2_
