fix: add models and utils modules

src/utils/config.py

@@ -1,35 +1,21 @@
-import os
+from pathlib import Path
 from typing import Any, Dict, Optional
 
 import yaml
 
 
 def load_config(config_path: Optional[str] = None) -> Dict[str, Any]:
-    """Load configuration from file or use defaults."""
-    if config_path and os.path.exists(config_path):
-        with open(config_path, "r") as f:
+    """Load configuration from a YAML file."""
+    if config_path is None:
+        config_path = Path(".git-insights/config.yaml")
+
+    config_file = Path(config_path)
+
+    if not config_file.exists():
+        return {}
+
+    try:
+        with open(config_file, "r") as f:
             return yaml.safe_load(f) or {}
-
-    default_paths = [
-        ".git-insights/config.yaml",
-        os.path.expanduser("~/.git-insights/config.yaml"),
-    ]
-
-    for path in default_paths:
-        if os.path.exists(path):
-            with open(path, "r") as f:
-                return yaml.safe_load(f) or {}
-
-    return get_default_config()
-
-
-def get_default_config() -> Dict[str, Any]:
-    """Return default configuration."""
-    return {
-        "repository_path": ".",
-        "analysis_days": 30,
-        "output_format": "json",
-        "churn_threshold": 500,
-        "risky_commit_threshold": 500,
-        "merge_commit_flag": True,
-    }
+    except Exception:
+        return {}