feature: add execution framework with LocalExecutor and CeleryExecutor#600
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MarcusHsieh wants to merge 1 commit intollnl:develop-2.0from
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feature: add execution framework with LocalExecutor and CeleryExecutor#600MarcusHsieh wants to merge 1 commit intollnl:develop-2.0from
MarcusHsieh wants to merge 1 commit intollnl:develop-2.0from
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MarcusHsieh
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Jan 20, 2026
MarcusHsieh
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- LocalExecutor: Process pool-based local execution with sample expansion
- CeleryExecutor: Distributed execution using pure chain/group patterns (no chords)
- SampleExpander: Sample workspace isolation with hierarchical directory structure
- WorkflowManager: High-level orchestrator that coordinates execution
Execution Module (merlin/execution/): - base.py: TaskExecutor abstract base class - models.py: ExecutionContext, TaskResult, TaskStatus - sample_expander.py: SampleExpander for sample workspace isolation - local.py: LocalExecutor using ProcessPoolExecutor - celery.py: CeleryExecutor with chain/group pattern - workflow_manager.py: WorkflowManager orchestrator DAG Module (merlin/dag/): - dag.py: ExecutionDAG with group_tasks() for execution planning - models.py: ExecutionPlan, ExecutionLevel, TaskChain dataclasses
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