Release v0.4.3

Cached Task Completion Callbacks

🚀 New Features

• Completion callbacks for cached tasks: Cached results now trigger completion callbacks just like non-cached tasks
• Improved cache key handling: Separated normal cache keys from task-specific entry IDs for better consistency

🔧 Changes

• Added on_complete parameter to TaskExecutor.execute_task()
• Enhanced cache key generation and invalidation logic
• Added tests for cached task completion callbacks

🔄 Migration

• Breaking behavioral change: Completion callbacks will now fire for cached tasks (previously they didn't)
• If your code relies on completion callbacks only firing for non-cached tasks, you may need to adjust your logic
• All other functionality remains backward compatible

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Files: executor.py, core.py, pool.py, test_task_worker.py