nmesh part 1

src/mock_features/__init__.py

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+from .mock_features import *

src/mock_features/mock_features.py

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+from typing import Any, Dict
+
+class MockFeatures:
+    """
+    A unified stub to replace nsim.features.Features and provide
+    default configuration values for simulations and nmesh.
+    """
+    def __init__(self):
+        # Default configuration for simulations
+        self._data: Dict[str, Dict[str, Any]] = {
+            'etc': {
+                'runid': 'nmag_simulation',  # Default output filename
+                'savedir': '.',              # Default output directory
+            },
+            'nmag': {
+                'clean': False,              # Don't delete old files automatically
+                'restart': False,            # Don't try to restart from h5
+            }
+        }
+
+    def from_file(self, file_path):
+        """Stub for loading features from a file."""
+        pass
+
+    def from_string(self, string):
+        """Stub for loading features from a string."""
+        pass
+
+    def add_section(self, section: str):
+        """Adds a section to the features if it doesn't exist."""
+        if section not in self._data:
+            self._data[section] = {}
+
+    def get(self, section: str, name: str, raw: bool = False) -> Any:
+        """Retrieves a value from the specified section and name."""
+        return self._data.get(section, {}).get(name)
+
+    def set(self, section: str, name: str, value: Any):
+        """Sets a value in the specified section and name."""
+        if section not in self._data:
+            self._data[section] = {}
+        self._data[section][name] = value
+
+    def items(self, section: str):
+        """Returns items in a given section."""
+        return self._data.get(section, {}).items()
+
+    def to_string(self) -> str:
+        """Returns string representation of the data."""
+        return str(self._data)

src/nmesh/__init__.py

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+from .nmesh import *