docs: update docstrings to include ValidationError

- Add ValidationError to HelmValuesConfig.validate docstring
- Add ValidationError to BaseCommand.save_config docstring
- Clarify when each error type is raised

Author: ritwik-g

helm_values_manager/commands/base_command.py

@@ -73,7 +73,8 @@ def save_config(self, config: HelmValuesConfig) -> None:
 
         Raises:
             IOError: If unable to write to the file.
-            ValueError: If the configuration is invalid.
+            ValueError: If the configuration is invalid (e.g., missing release name).
+            ValidationError: If JSON schema validation fails.
         """
         # Validate the config before saving
         config.validate()

helm_values_manager/models/helm_values_config.py

@@ -140,7 +140,8 @@ def validate(self) -> None:
         Validate the configuration.
 
         Raises:
-            ValueError: If validation fails.
+            ValueError: If validation fails (e.g., missing release name)
+            ValidationError: If JSON schema validation fails
         """
         if not self.release:
             raise ValueError("Release name is required")