- Add find_series_imdb_id method to check directory, filenames, and tvshow.nfo
- Add TV show batch validation in webhook batcher (like movies)
- Ensures TV webhooks process correct series by validating IMDb match
- Prevents mismatched processing like Girls (2012) -> Gachiakuta (2025)
- Comprehensive detection checks: folder name, file names, NFO content
- Fix glob pattern to escape brackets for literal [imdb-ID] matching
- Resolves issue where webhook for Girls (2012) [tt1723816] was incorrectly matching Gachiakuta (2025) [tt32612521]
- Previous pattern treated brackets as character sets instead of literal strings