refactor(translator, executor): remove redundant bytes.Clone calls for improved performance

- Replaced all instances of `bytes.Clone` with direct references to enhance efficiency.
- Simplified payload handling across executors and translators by eliminating unnecessary data duplication.

internal/translator/claude/gemini-cli/claude_gemini-cli_request.go

@@ -6,8 +6,6 @@
 package geminiCLI
 
 import (
-	"bytes"
-
 	. "github.com/router-for-me/CLIProxyAPI/v6/internal/translator/claude/gemini"
 	"github.com/tidwall/gjson"
 	"github.com/tidwall/sjson"
@@ -30,7 +28,7 @@ import (
 // Returns:
 //   - []byte: The transformed request data in Claude Code API format
 func ConvertGeminiCLIRequestToClaude(modelName string, inputRawJSON []byte, stream bool) []byte {
-	rawJSON := bytes.Clone(inputRawJSON)
+	rawJSON := inputRawJSON
 
 	modelResult := gjson.GetBytes(rawJSON, "model")
 	// Extract the inner request object and promote it to the top level