* refactor: update _generate_code_hash function and enhance module name handling
- Removed the class_name parameter from _generate_code_hash for improved clarity and simplicity.
- Added a new function, get_module_name_from_display_name, to generate module names from display names in snake_case.
- Updated build_custom_component_template_from_inputs to use the new module name generation logic when module_name is None.
- Enhanced error handling in code hash generation to log exceptions appropriately.
- Updated unit tests to reflect changes in the _generate_code_hash function and to verify the new module name generation functionality.
* fix: enhance module name handling and error logging in build_custom_component_template
- Added logic to derive module names from display names when not provided, improving metadata accuracy.
- Refined error handling for code hash generation, ensuring exceptions are logged appropriately for better debugging.
* test: add comprehensive unit tests for metadata generation in custom components
- Introduced multiple tests to ensure that the `build_custom_component_template` function consistently generates metadata, including module names and code hashes, across various scenarios.
- Verified that metadata is correctly returned when module names are provided or omitted, and that code hashes change with component code modifications.
- Included tests for handling unicode characters in component code to ensure robustness in metadata generation.
* test: update unit tests to use Component class for metadata generation
- Refactored test cases to replace the CustomComponent with the new Component class, ensuring consistency in testing metadata addition in template builders.
- Adjusted mock component attributes to align with the updated class structure, enhancing clarity and maintainability of the tests.
* test: add unit tests for custom component metadata retrieval and consistency
- Introduced new tests for the /custom_component endpoint to verify that it returns accurate metadata, including module names and code hashes.
- Ensured that identical component code produces consistent metadata across multiple requests, enhancing the reliability of the custom component functionality.
* refactor: improve error logging in code hash generation
- Updated error logging in `build_custom_component_template_from_inputs` and `build_custom_component_template` to use debug level with exception context, enhancing clarity for debugging while reducing log noise.
- This change aims to provide more detailed insights during error occurrences without cluttering the error logs.
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