- Convert birth_year_hijri and death_year_hijri to CharField and add age_at_death
- Introduce BookAuthorDate model linking BookAuthor with parsed YearValue records
- Add sync_author_dates and date formatting methods to BookAuthor
- Support century filtering via YearValue min/max ranges and prefetch author dates
- Expose live preview fields and canonical date validation in AdminBookAuthorSerializer
- Add migration 0056 to convert fields and populate BookAuthorDate records
- Add date_engine utility for parsing exact, range, circa, before, after, and #context dates
- Introduce YearValue and NarratorDate models to index and translate narrator dates
- Add description field to OpinionStatus and TransmitterReliability models
- Register DovodiYearValueViewSet and DovodiBookAuthorRutbaViewSet admin endpoints
- Add parse-preview action for validating and translating date inputs
- Add migration 0055 to populate YearValue and NarratorDate from existing transmitters
- Introduce BookAuthorRutba model with title, slug, color, and description
- Link BookAuthor to BookAuthorRutba via rutba_status foreign key
- Update reference admin to manage BookAuthorRutba and assign rutba status
- Include rutba_detail in BookAuthorDetailSerializer and BookAuthorSyncSerializer
- Add migration 0054 to seed rutba records from existing authors
- Create ScholarlyOpinion model for standalone reusable scholarly opinions with status and multilingual text
- Add foreign key link from TransmitterOpinion to ScholarlyOpinion with automatic backward sync
- Create data migration 0053 to populate ScholarlyOpinion records from existing transmitter opinions
- Expose DovodiScholarlyOpinionViewSet and register route /dovodi-opinions/ in admin router
- Update TransmitterOpinion serializers and views to prioritize linked ScholarlyOpinion data
- Add GenderChoices (male/female) field to Transmitters model with migration 0052
- Include gender across public and admin transmitter serializers
- Expose gender in TransmittersAdmin filter and list display
- Propagate transmitter gender in HadisCategoryXMindView flowchart payload
- Add split_transmitters_gender management command
- Add is_topic boolean field to HadisCategory model with indexing
- Enforce validation rules in clean():
* Topics cannot have children and must define a source_type
* Structural categories cannot contain hadiths and have source_type=None
* Parents cannot be topics
* Hadiths can only be attached to topics (is_topic=True)
- Update admin serializers and views to support is_topic filtering and mapping
- Expose is_topic in public category serializers (SimpleCategory, HadisCategorySelectSerializer, CategorySerializer)
- Include migration 0051_add_category_is_topic
- Add utils/text_normalizer.py providing robust Arabic and Persian orthographic normalization (diacritics/tashkeel removal, unification of Alef variants, Yeh/Alef Maksura, Kaf, Teh Marbuta, Waw Hamza, Tatweel, and digit normalization).
- Implement recursive text extraction from multilingual JSON structures and models.
- Add normalized_text shadow column across Hadis, HadisCorrection, HadisInterpretation, Transmitters, BookReference, and HadisCategory models with automated save-time synchronization.
- Apply database migrations (0048 and 0049).
- Add populate_normalized_search management command for backfilling existing records.
- Update search querysets in hadis, transmitter, book reference, and category views to filter using normalized text queries.
- Add comprehensive documentation in docs/ARABIC_SEARCH_NORMALIZATION_GUIDE.md.
- Refactor QuranSecondaryTranslation to store language_code, translation_text and translator per record
- Add migrations 0042 and 0043 to migrate existing secondary translations
- Update AdminCategoryQuranVerseSerializer and AdminHadisCategorySerializer with proper secondary translations handling
- Support category filtering by source_type, has_quran_verse and exclude_verse_id in admin category viewset
- Optimize HadisSyncSerializer: remove unused number, address_details, and book descriptions
- Separate sync serializers for corrections and interpretations (omitting redundant hadis_info and category_info)
- Add HadisDatabaseVersion model and migration for tracking offline SQLite DB
- Add export_hadis_sqlite management command with gzip compression and single-file overwrite
- Add GET /api/hadis/sync/database/ endpoint and enhance version serializers
- Automatically trigger background SQLite database export on version increment in admin
- Add request-level user bookmark memoization in BookmarkStatusSerializer to eliminate redundant queries across all lists
- Optimize BookReferenceSyncView and BookReference.authors caching (reduced queries from 185 to 10)
- Add multi-level prefetch_related for references and images in HadisMainListView (reduced queries from 109 to 6)
- Add incremental sync support (updated_after/since) in HadisSyncView
- Add select_related for language in BookListView (reduced queries from 35 to 18)
- Annotate episode count and cache effective_thumbnail in podcast and video playlist views (reduced queries from 22/17 to 4)
- Prefetch categories with annotated article counts in ArticleListAPIView (reduced queries from 41 to 3)
- Scale Gunicorn workers/threads to 4w/4t (16 concurrency) with gthread in docker-compose.prod.yml
- Create reusable watermark utility in utils/watermark.py supporting PIL, UploadedFile, bytes, and DRF serializer fields
- Default position set to bottom-left with responsive 32% width scaling and alpha blending
- Auto-resolve SVG watermark to high-resolution PNG
- Integrate automatic watermarking into Article thumbnails, Hadith/Book Reference images, Corrections, Original Texts, and Interpretations
update corrections , interpretations and original text models to connect to new logic of our references models
made a new api for detail pages of these references
