Add NFO-based identification and smart episode renaming v1.6.0

- Add dual identification system: directory names + NFO file parsing
- Support <uniqueid type="imdb">, <imdbid>, <imdb> XML tags
- Implement smart episode NFO renaming to S##E##.nfo format
- Detect existing Sonarr/other NFO files and preserve metadata
- Add comprehensive Project.md for context recovery
- Update documentation with new capabilities

SUMMARY.md

@@ -1,8 +1,21 @@
 # NFOGuard Development Summary
 
-## Current Status: v1.5.5 - Database Upsert Fix! 🔧
+## Current Status: v1.6.0 - NFO-Based Identification! 📄
 
-### Latest Updates (v1.5.5) - September 15, 2025
+### Latest Updates (v1.6.0) - September 16, 2025
+- **📄 NFO IDENTIFICATION**: Added support for identifying movies/TV shows from NFO files
+- **🔄 DUAL METHOD**: Directory name IMDb IDs (primary) + NFO file IMDb IDs (fallback)
+- **📋 NFO FORMATS**: Supports `<uniqueid type="imdb">`, `<imdbid>`, and `<imdb>` XML tags
+- **🎬 MOVIE SUPPORT**: Reads movie.nfo files for IMDb ID extraction
+- **📺 TV SUPPORT**: Reads tvshow.nfo files for series identification
+- **✅ SMART FALLBACK**: Only checks NFO files when directory name lacks IMDb ID
+- **📝 DOCUMENTATION**: Updated README with NFO identification examples and formats
+- **🔄 NFO RENAMING**: Added smart episode NFO file renaming to standardized `S##E##.nfo` format
+- **🎯 SONARR INTEGRATION**: Detects existing NFO files created by Sonarr/other tools, extracts metadata, and renames to standard format
+- **📁 METADATA PRESERVATION**: Preserves all existing metadata when renaming non-standard NFO files
+- **🧹 CLEANUP**: Removes old non-standard NFO files after successful rename to prevent duplicates
+
+### Previous Updates (v1.5.5) - September 15, 2025
 - **🔧 DATABASE BUG FIX**: Fixed `upsert_movie_dates` to be a proper upsert operation
 - **💾 DATA INTEGRITY**: Manual scans now properly save `dateadded` to database  
 - **🎯 ROOT CAUSE**: Fixed UPDATE-only operation that was leaving `dateadded` fields NULL