fix(executor): remove safetySettings from payload for Gemini requests

internal/runtime/executor/gemini_cli_executor.go

@@ -418,6 +418,7 @@ func (e *GeminiCLIExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.
 		}
 		payload = deleteJSONField(payload, "project")
 		payload = deleteJSONField(payload, "model")
+		payload = deleteJSONField(payload, "request.safetySettings")
 		payload = util.StripThinkingConfigIfUnsupported(req.Model, payload)
 		payload = fixGeminiCLIImageAspectRatio(attemptModel, payload)
 

internal/runtime/executor/gemini_executor.go

@@ -294,6 +294,7 @@ func (e *GeminiExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Aut
 	respCtx := context.WithValue(ctx, "alt", opts.Alt)
 	translatedReq, _ = sjson.DeleteBytes(translatedReq, "tools")
 	translatedReq, _ = sjson.DeleteBytes(translatedReq, "generationConfig")
+	translatedReq, _ = sjson.DeleteBytes(translatedReq, "safetySettings")
 
 	baseURL := resolveGeminiBaseURL(auth)
 	url := fmt.Sprintf("%s/%s/models/%s:%s", baseURL, glAPIVersion, req.Model, "countTokens")