Release 0.17.0

Added

• CLI monitoring commands (apflow monitor)

• apflow monitor status - Display current task status with rich tables

• apflow monitor watch <task-id> - Real-time task monitoring with live updates

• apflow monitor trace <task-id> - Execution timeline with dependency tree visualization

• apflow monitor db - Database connection status and statistics

• Supports both API and local database modes

• Rich terminal UI with tables, trees, panels, and live updates

• Structured error handling with enhanced context

• ApflowError base class now supports structured format with what, why, how_to_fix, and context fields

• Error messages include emoji indicators and formatted troubleshooting guidance

• Backward compatible with existing error handling code

• NetworkError and AuthenticationError classes with detailed context

• Memory leak testing infrastructure

• Performance test suite in tests/performance/test_memory_leaks.py

• Tests for memory stability over 1000+ task executions

• Executor instance cleanup verification

• Database file growth monitoring

• Added memory-profiler>=0.61.0 and psutil>=5.9.0 to dev dependencies

• Comprehensive documentation and examples

• Hello World Guide - 5-minute quick start tutorial

• Executor Selection Guide - Decision tree, comparison matrix, and detailed scenarios for all 8 executor types

• Example code files in examples/hello_world/:

• simple.py - Basic custom executor example

• with_dependencies.py - Task dependencies example

• built_in_executors.py - REST executor examples

• Example code files in examples/executor_examples/:

• rest_executor_example.py - HTTP API integration patterns

• ssh_executor_example.py - Remote command execution examples

• docker_executor_example.py - Container execution examples

• Updated documentation indexes to reference new guides and examples

• Enhanced error handling in executors

• REST executor: Improved exception handling for timeout, connection errors, SSL errors, and HTTP errors with structured context

• SSH executor: Enhanced authentication error handling with key permission checks and troubleshooting guidance

Changed

• TaskRepository improvements
• Added query_tasks_by_statuses() method for efficient multi-status queries using SQLAlchemy IN clause
• Optimized status filtering in monitoring commands