more readme refinement

README.md

@@ -14,6 +14,17 @@ A Jellyfin plugin for accessing SRF Play (Swiss Radio and Television) video-on-d
 - Proxy support for routing traffic through alternate gateways
 - Smart caching with reduced TTL for upcoming livestreams
 
+## Screenshots
+
+### Channel Menu
+![SRF Play Menu](res/menu.png)
+
+The main channel interface showing the content folders.
+### Playback
+![SRF Play Playback](res/playback.png)
+
+Video playback with HLS streaming support and quality selection.
+
 ## Project Status
 
 ### ✅ Completed Components
@@ -92,16 +103,40 @@ A Jellyfin plugin for accessing SRF Play (Swiss Radio and Television) video-on-d
 **Successfully compiling!** All code analysis warnings resolved.
 
 ### 🧪 Testing Status
-- [ ] Unit tests
+- [x] Unit tests (xUnit framework)
+  - StreamUrlResolver tests
+  - MetadataCache tests
+  - More to be added
+- [x] API spec validation tests (nightly automated runs)
+  - All business units (SRF, RTS, RSI, RTR, SWI)
+  - Response schema validation
+  - Performance monitoring
 - [ ] Integration testing with Jellyfin instance
 - [ ] End-to-end playback testing for VOD content
 - [ ] Live sports streaming validation
 
+**Run tests:**
+```bash
+# All tests
+dotnet test
+
+# Unit tests only
+dotnet test --filter "Category!=Integration&Category!=APISpec"
+
+# API spec tests only
+dotnet test --filter "Category=APISpec"
+
+# With coverage
+dotnet test --collect:"XPlat Code Coverage"
+```
+
+See [Test Documentation](Jellyfin.Plugin.SRFPlay.Tests/README.md) for more details.
+
 ### 📝 Next Steps
 1. Test live sports streaming when events are scheduled
 2. Verify Akamai token authentication
 3. Test with different business units (RTS, RSI, RTR)
-4. Add unit tests
+4. Add more unit tests for remaining services
 5. Performance optimization if needed
 
 ## API Information