🎨 style(go): format entire codebase

- Apply canonical Go formatting to all .go files
- No functional changes; whitespace/import/struct layout only
- Improves consistency, reduces diff noise, and aligns with standard tooling

relay/channel/mokaai/constants.go

@@ -6,4 +6,4 @@ var ModelList = []string{
 	"m3e-small",
 }
 
-var ChannelName = "mokaai"
+var ChannelName = "mokaai"