- Adds fields_to_exclude_from_db to Archive_Content_Base to prevent SQL errors on non-existent columns.
- Updates documentation for V3 Create/Update patterns and the x-ae-ignore-extra-fields header.
- Propagates account_id_random to hosted file and media processing methods.
- Reduced api_crud.py (1843 -> 143 lines) by extracting V1 registry and logic.
- Reduced hosted_file.py (1596 -> 361 lines) by moving storage and media logic to methods.
- Created lib_media.py for specialized video/image processing.
- Created api_crud_methods.py for legacy template handlers.
- Created legacy_v1.py for the legacy object registry.
- Fixed subdirectory_path bug in Hosted File creation.
- Verified full File Lifecycle via consolidated E2E suite.
