- Implement `normalize_linkml_alt_descriptions.py` to convert structured alt_descriptions to the expected scalar form.
- Implement `normalize_linkml_structured_aliases.py` to flatten language-keyed structured_aliases into a standard list-of-objects format.
- Implement `validate_linkml_schema_integrity.py` to validate the integrity of LinkML schema bundles, checking for import resolution, YAML parsing, and reference existence.
- Introduced the ImageTilingServiceEndpoint class for tiled high-resolution image delivery, including deep-zoom and transformation capabilities, with multilingual descriptions and structured aliases.
- Archived the ID class as a backwards-compatible alias for Identifier, marking it as deprecated to enforce the use of the canonical Identifier model.
- Removed obsolete slots: `has_or_had_custodian_observation`, `provider`, and `specificity_annotation`.
- Updated `has_or_had_score` slot to use `SpecificityScore` class and modified its description and examples.
- Added new slots: `end_seconds`, `end_time`, `has_archive_path`, `has_or_had_custodian_name`, `protocol_name`, and `protocol_version`.
- Introduced a script `check_annotation_types.py` to validate the presence and structure of `custodian_types` in YAML files.
- Added a script `update_specificity.py` to automate updates related to `SpecificityAnnotation` to `SpecificityScore`.
- Added `id`, `name`, `title`, and `description` fields to multiple LinkML class YAML files.
- Standardized prefixes across all class definitions.
- Introduced a new script `fix_linkml_metadata.py` to automate the addition of metadata to class files.
- Updated existing class files to ensure compliance with the new metadata structure.
