fix: resolve CI/CD failures - package discovery and linting

tests/test_pattern_matching.py

@@ -2,7 +2,6 @@
 
 import os
 import sys
-import tempfile
 from pathlib import Path
 
 import pytest
@@ -54,7 +53,6 @@ class TestPatternMatcher:
 
     @pytest.fixture(autouse=True)
     def setup(self, tmp_path, sample_docker_yaml):
-        from shell_speak.config import ensure_data_dir
         from shell_speak.library import get_loader
 
         docker_file = tmp_path / "docker.yaml"