feat(gemini): apply default safety settings across request translators

internal/translator/gemini/openai/chat-completions/gemini_openai_request.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
+	"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/gemini/common"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"
@@ -308,6 +309,8 @@ func ConvertOpenAIRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
 		}
 	}
 
+	out = common.AttachDefaultSafetySettings(out, "safetySettings")
+
 	return out
 }