- 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.
- Created 'updated_at.yaml' to record the last modified date and time of entities, including multilingual descriptions and structured aliases.
- Created 'written_in.yaml' to specify the language in which content is composed, covering both natural and programming languages, with detailed comments and close ontology mappings.
- 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 `has_or_had_direction` slot to represent directional orientations of entities, migrating from `text_direction`.
- Introduced `has_or_had_mode` slot for linking entities to operational modes, migrating from `thinking_mode`.
- Created `Content` class to encapsulate intellectual content of heritage materials, migrating from `temporal_coverage`.
- Added `TextDirection` class to define text flow orientations, migrating from `text_direction` slot.
- Introduced `ThinkingMode` class for LLM thinking mode configurations, migrating from `thinking_mode` slot.
- Archived previous slots related to text direction, languages detected, and thinking modes for historical reference.
- Updated documentation and annotations for clarity and compliance with RiC-O naming conventions.
