# Implementation Plan - [x] 1. Set up monitoring module structure - Create `core/monitoring/` directory with `__init__.py` - Define base interfaces and types - _Requirements: 3.1, 4.1_ - [x] 2. Implement centralized logging system - [x] 2.1 Create LogEntry dataclass and RPALogger class - Implement structured log entries with timestamp, level, component, message - Add workflow_id and node_id metadata support - Implement info, warning, error, debug methods - _Requirements: 4.1, 4.2_ - [ ]* 2.2 Write property test for log entry structure - **Property 9: Log entry structure completeness** - **Validates: Requirements 4.1** - [ ]* 2.3 Write property test for workflow metadata inclusion - **Property 10: Workflow log metadata inclusion** - **Validates: Requirements 4.2** - [x] 2.4 Implement get_logger factory function - Create singleton pattern for component loggers - Configure file and console handlers - _Requirements: 4.1_ - [x] 3. Implement Prometheus metrics integration - [x] 3.1 Create metrics module with Counter, Histogram, Gauge definitions - Define workflow_executions_total counter - Define workflow_duration_seconds histogram - Define log_entries_total counter - Define active_workflows and error_rate gauges - _Requirements: 3.1, 3.2, 3.3, 3.4_ - [ ]* 3.2 Write property test for metrics format validity - **Property 6: Prometheus metrics format validity** - **Validates: Requirements 3.1** - [x] 3.3 Integrate metrics with logger - Increment log_entries_total on each log write - _Requirements: 4.4_ - [ ]* 3.4 Write property test for log counter synchronization - **Property 12: Log counter synchronization** - **Validates: Requirements 4.4** - [ ] 4. Checkpoint - Ensure all tests pass - Ensure all tests pass, ask the user if questions arise. - [x] 5. Implement Chain Manager - [x] 5.1 Create WorkflowChain dataclass and ChainManager class - Implement chain storage and retrieval - Implement list_chains and get_chain methods - _Requirements: 1.1_ - [ ]* 5.2 Write property test for chain listing completeness - **Property 1: Chain listing completeness** - **Validates: Requirements 1.1** - [x] 5.3 Implement chain creation with workflow validation - Implement create_chain method - Implement validate_workflows_exist method - _Requirements: 1.2_ - [ ]* 5.4 Write property test for chain workflow validation - **Property 2: Chain workflow validation** - **Validates: Requirements 1.2** - [x] 5.5 Implement chain execution logic - Execute workflows in sequence - Stop on failure and report failure point - _Requirements: 1.3, 1.4_ - [ ]* 5.6 Write property test for chain execution failure handling - **Property 3: Chain execution stops on failure** - **Validates: Requirements 1.4** - [x] 6. Implement Trigger Manager - [x] 6.1 Create Trigger dataclass and TriggerManager class - Implement trigger storage and retrieval - Implement list_triggers and get_trigger methods - _Requirements: 2.1_ - [ ]* 6.2 Write property test for trigger listing completeness - **Property 4: Trigger listing completeness** - **Validates: Requirements 2.1** - [x] 6.3 Implement trigger creation with config validation - Implement create_trigger method - Implement validate_config method for schedule triggers - _Requirements: 2.2_ - [x] 6.4 Implement trigger enable/disable functionality - Implement enable_trigger and disable_trigger methods - Persist state changes to storage - _Requirements: 2.3_ - [ ]* 6.5 Write property test for trigger state persistence - **Property 5: Trigger state persistence** - **Validates: Requirements 2.3** - [ ] 7. Checkpoint - Ensure all tests pass - Ensure all tests pass, ask the user if questions arise. - [x] 8. Implement Log Exporter - [x] 8.1 Create LogExporter class with ZIP generation - Implement export_to_zip method - Generate execution_logs.json, error_logs.json, metrics.json - _Requirements: 5.1, 5.2_ - [ ]* 8.2 Write property test for ZIP archive validity - **Property 13: ZIP archive validity** - **Validates: Requirements 5.1** - [ ]* 8.3 Write property test for ZIP archive contents - **Property 14: ZIP archive contents** - **Validates: Requirements 5.2** - [x] 8.4 Implement date range filtering for log export - Filter logs by start_time and end_time parameters - _Requirements: 5.4_ - [ ]* 8.5 Write property test for date range filtering - **Property 15: Date range filtering** - **Validates: Requirements 5.4** - [x] 9. Implement workflow metrics tracking - [x] 9.1 Add workflow execution counter increment - Increment counter on workflow start/end - Include workflow_id and status labels - _Requirements: 3.2_ - [ ]* 9.2 Write property test for counter increment - **Property 7: Workflow execution counter increment** - **Validates: Requirements 3.2** - [x] 9.3 Add workflow duration histogram recording - Record duration on workflow completion - _Requirements: 3.3_ - [ ]* 9.4 Write property test for histogram recording - **Property 8: Workflow duration histogram recording** - **Validates: Requirements 3.3** - [x] 10. Update web dashboard API - [x] 10.1 Add chains API endpoints - GET /api/chains - list all chains - POST /api/chains - create new chain - POST /api/chains//execute - execute chain - _Requirements: 1.1, 1.2, 1.3_ - [x] 10.2 Add triggers API endpoints - GET /api/triggers - list all triggers - POST /api/triggers - create new trigger - POST /api/triggers//toggle - enable/disable trigger - _Requirements: 2.1, 2.2, 2.3_ - [x] 10.3 Add logs download endpoint - GET /api/logs/download - download logs as ZIP - Support date range query parameters - _Requirements: 5.1, 5.3, 5.4_ - [x] 10.4 Add Prometheus metrics endpoint - GET /metrics - return Prometheus-formatted metrics - _Requirements: 3.1_ - [ ]* 10.5 Write property test for log filtering via API - **Property 11: Log filtering correctness** - **Validates: Requirements 4.3** - [x] 11. Update admin interface HTML - [x] 11.1 Add navigation links for new sections - Add Chains, Triggers, Metrics links to navbar - _Requirements: 6.1_ - [x] 11.2 Create chains section with dynamic loading - Display chain cards with workflow sequence - Add create and execute buttons - _Requirements: 6.2_ - [x] 11.3 Create triggers section with dynamic loading - Display trigger cards with type and status - Add enable/disable toggle - _Requirements: 6.2_ - [x] 11.4 Update logs section with download button - Add download ZIP button - Add refresh functionality - _Requirements: 6.3_ - [x] 11.5 Create metrics section with real-time display - Show key metrics with auto-refresh - _Requirements: 6.4_ - [x] 12. Final Checkpoint - Ensure all tests pass - Ensure all tests pass, ask the user if questions arise.