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.

go.mod

@@ -1,4 +1,4 @@
-module github.com/router-for-me/CLIProxyAPI/v6
+module github.com/router-for-me/CLIProxyAPI/v7
 
 go 1.26.0
 
@@ -31,6 +31,12 @@ require (
 	gopkg.in/yaml.v3 v3.0.1
 )
 
+require (
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/redis/go-redis/v9 v9.19.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+)
+
 require (
 	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect