docs: update client compatibility list in README

README.md

@@ -17,22 +17,28 @@ The name was randomly generated by GitHub when creating the repository. We found
 - **Album Enrichment**: Local albums are enriched with missing tracks from Deezer
 - **Cover Art Proxy**: Serves cover art for external content transparently
 
-## Tested Clients
+## Compatible Clients
 
 ### PC
 
 - [Aonsoku](https://github.com/victoralvesf/aonsoku)
+- [Feishin](https://github.com/jeffvli/feishin)
 - [Subplayer](https://github.com/peguerosdc/subplayer)
 - [Aurial](https://github.com/shrimpza/aurial)
 
 ### Android
 
 - [Tempus](https://github.com/eddyizm/tempus)
-- [Symfonium](https://symfonium.app/) (works as a standard Subsonic client, but Octo-Fiesta specific features like Deezer search are not supported)
-- [Chora](https://github.com/CraftWorksMC/Chora) (works as a standard Subsonic client, but Octo-Fiesta specific features like Deezer search are not supported)
+- [Substreamer](https://substreamerapp.com/)
 
 > **Want to improve client compatibility?** Pull requests are welcome!
 
+### Incompatible Clients
+
+These clients are **not compatible** with octo-fiesta due to architectural limitations:
+
+- [Symfonium](https://symfonium.app/) - Uses offline-first architecture and never queries the server for searches, making Deezer integration impossible. [See details](https://support.symfonium.app/t/suggestions-on-search-function/1121/)
+
 ## Requirements
 
 - A running Subsonic-compatible server (developed and tested with [Navidrome](https://www.navidrome.org/))