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/redisqueue/plugin.go

@@ -6,8 +6,8 @@ import (
 	"strings"
 	"time"
 
-	internallogging "github.com/router-for-me/CLIProxyAPI/v6/internal/logging"
-	coreusage "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/usage"
+	internallogging "github.com/router-for-me/CLIProxyAPI/v7/internal/logging"
+	coreusage "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/usage"
 )
 
 func init() {