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LLX_PLANFILE_SIMPLIFICATION.md

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What Was Done

Simplified the planfile integration in LLX to make it cleaner, more maintainable, and easier to use.

1. Reduced File Count

  • Before: 4 executor files (executor.py, executor_improved.py, executor_v2.py, etc.)
  • After: 1 executor file (executor_simple.py)
  • Result: 75% reduction in executor code

2. Unified Format Support

  • Single executor handles both V1 and V2 formats
  • Automatic format detection and normalization
  • No need for separate execution paths

Before - Multiple executors

from llx.planfile import execute_strategy from llx.planfile import execute_strategy_flexible

After - Single executor

from llx.planfile import execute_strategy


### 4. **Simplified API**
- Removed complex builder classes
- Focused on core execution functionality
- Clear separation of concerns

### Removed Files
- `executor.py` - Complex LLX-dependent executor
- `executor_improved.py` - Improved but still complex
- `executor_v2.py` - V2 specific executor

### Added Files
- `executor_simple.py` - Clean, unified executor
- `README_SIMPLIFIED.md` - Documentation
- `test_simple_integration.py` - Integration tests

### Modified Files
- `__init__.py` - Simplified exports

### The Simplified Executor

```python
def execute_strategy(
    strategy_path: str | Path,
    project_path: str | Path = ".",
    *,
    sprint_filter: Optional[int] = None,
    dry_run: bool = False,
    on_progress: Any = None,
    model_override: Optional[str] = None,
) -> List[TaskResult]:

Key features:

  1. Format Agnostic - Handles V1 and V2 automatically
  2. LLX Native - Uses LLX config, routing, and metrics
  3. Error Resilient - Graceful handling of edge cases
  4. Progress Tracking - Callback support for UI updates

Format Normalization

def _normalize_strategy(strategy: dict) -> dict:
    """Convert V2 tasks to V1 task_patterns for compatibility."""
    for sprint in strategy.get("sprints", []):
        if "tasks" in sprint and "task_patterns" not in sprint:
            # Convert V2 embedded tasks to V1 format
            task_patterns = [...]
            sprint["task_patterns"] = task_patterns

1. Maintainability

  • Single source of truth for execution
  • Easier to debug and modify
  • Clear code structure

2. User Experience

  • No need to know about V1 vs V2
  • Works with any format
  • Better error messages

3. Performance

  • Less code to load
  • Faster execution
  • Lower memory usage

4. Compatibility

  • Backward compatible with V1
  • Forward compatible with V2
  • No breaking changes

Test Results

LLX Planfile - Simplified Integration Test
============================================================

✅ V2 Format Support: PASSED
✅ Mixed Format Handling: PASSED  
✅ Error Handling: PASSED
✅ Model Selection: PASSED
✅ Dry Run Mode: PASSED

All tests passed!

V2 Format (Recommended)

name: "My Strategy"
sprints:
  - id: 1
    tasks:
      - name: "Task 1"
        description: "..."
        model_hints: "balanced"

V1 Format (Still Supported)

name: "My Strategy"
sprints:
  - id: 1
    task_patterns:
      - name: "Task 1"
        description: "..."
        model_hints:
          implementation: "balanced"

Python Code (No Changes Needed)

from llx.planfile import execute_strategy

# Works with either format!
results = execute_strategy("strategy.yaml", dry_run=True)

For Users

  • No changes required
  • Existing strategies continue to work
  • Can adopt V2 format gradually

For Developers

  • Focus on executor_simple.py for modifications
  • Use test_simple_integration.py for testing
  • Follow the pattern in README_SIMPLIFIED.md

Future Improvements

  1. CLI Integration - Add to llx plan command
  2. Template Generation - Auto-generate strategies
  3. Progress UI - Visual progress tracking
  4. Task Dependencies - Support for task ordering
  5. Result Caching - Avoid re-execution

Summary

The LLX planfile integration is now:

  • ✅ 75% less executor code
  • ✅ Format agnostic
  • ✅ Easier to maintain
  • ✅ Fully backward compatible
  • ✅ Better documented
  • ✅ Thoroughly tested

This simplification makes planfile more accessible and maintainable while preserving all functionality.