Add missing utility functions safe_float and safe_int

app/core/utils.py

@@ -19,3 +19,27 @@ def clean_nans(obj: Any) -> Any:
     elif isinstance(obj, list):
         return [clean_nans(v) for v in obj]
     return obj
+
+def safe_float(val: Any, default: float = 0.0) -> float:
+    """Safely convert any value to float."""
+    try:
+        if val is None or (isinstance(val, float) and math.isnan(val)):
+            return default
+        return float(val)
+    except (ValueError, TypeError):
+        return default
+
+def safe_int(val: Any, default: int = 0) -> int:
+    """Safely convert any value to int."""
+    try:
+        if val is None or (isinstance(val, float) and math.isnan(val)):
+            return default
+        return int(float(val))
+    except (ValueError, TypeError):
+        return default
+
+def safe_list(val: Any) -> list:
+    """Ensure value is a list."""
+    if isinstance(val, list):
+        return val
+    return []