chore: upgrade CLIProxyAPI dependency to v7 across the project

- Updated all references from v6 to v7 for `github.com/router-for-me/CLIProxyAPI`.
- Ensured consistency in imports within core libraries, tests, and integration tests.
- Added missing tests for new features in Redis Protocol integration.

internal/registry/model_registry.go

@@ -11,7 +11,7 @@ import (
 	"sync"
 	"time"
 
-	misc "github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
+	misc "github.com/router-for-me/CLIProxyAPI/v7/internal/misc"
 	log "github.com/sirupsen/logrus"
 )