Complete Task 8: Database Support for NFO Status

- Added 5 NFO tracking fields to AnimeSeries model
- Fields: has_nfo, nfo_created_at, nfo_updated_at, tmdb_id, tvdb_id
- Added 3 service methods to AnimeService for NFO operations
- Methods: update_nfo_status, get_series_without_nfo, get_nfo_statistics
- SQLAlchemy auto-migration (no manual migration needed)
- Backward compatible with existing data
- 15 new tests added (19/19 passing)
- Tests: database models, service methods, integration queries

docs/instructions.md

@@ -377,6 +377,7 @@ Integrate NFO checking into the download workflow - check for tvshow.nfo before
 -   `tests/unit/test_series_app.py`
 
 ---
+
 ---
 
 #### Task 5: Add NFO Management API Endpoints ✅ **COMPLETE**
@@ -644,10 +645,19 @@ Add NFO configuration options to the settings UI.
 
 ---
 
-#### Task 8: Add Database Support for NFO Status
+#### Task 8: Add Database Support for NFO Status ✅ **COMPLETE**
 
 **Priority:** Medium  
-**Estimated Time:** 2-3 hours
+**Estimated Time:** 2-3 hours  
+**Status:** Complete. See [task8_status.md](task8_status.md) for details.
+
+**What Was Completed:**
+
+-   ✅ 5 new database fields for NFO tracking (has_nfo, nfo_created_at, nfo_updated_at, tmdb_id, tvdb_id)
+-   ✅ 3 new service methods in AnimeService
+-   ✅ 15 comprehensive tests (all passing)
+-   ✅ Backward compatibility maintained
+-   ✅ SQLAlchemy auto-migration support
 
 Track NFO file status in the database.
 
@@ -672,11 +682,11 @@ Track NFO file status in the database.
 
 **Acceptance Criteria:**
 
--   [ ] Database schema updated (SQLAlchemy will auto-create columns)
--   [ ] NFO status tracked in DB
--   [ ] Queries for missing NFOs work
--   [ ] Backward compatible with existing data
--   [ ] Database tests pass
+-   [x] Database schema updated (SQLAlchemy will auto-create columns)
+-   [x] NFO status tracked in DB
+-   [x] Queries for missing NFOs work
+-   [x] Backward compatible with existing data
+-   [x] Database tests pass
 
 **Testing Requirements:**