refactor: consolidate find commands in clean target

- Replace three separate find commands with single consolidated command
- Maintains same functionality for __pycache__ dirs and .pyc/.pyo files
- Preserves error suppression behavior with 2>/dev/null || true
- Improves efficiency by reducing directory traversals from 3 to 1

Author: AlmostBald-TRADING

Makefile

@@ -7,9 +7,7 @@ VENV_PIP := .venv/bin/pip
 clean:
 	@echo "Cleaning generated artifacts and virtual environment..."
 	@rm -rf dist/ build/ *.egg-info/ .coverage .pytest_cache/
-	@find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
-	@find . -name "*.pyc" -delete 2>/dev/null || true
-	@find . -name "*.pyo" -delete 2>/dev/null || true
+	@find . \( -type d -name "__pycache__" -exec rm -rf {} + \) -o \( -name "*.pyc" -o -name "*.pyo" \) -delete 2>/dev/null || true
 	@rm -rf .venv
 	@echo "Clean complete."