Revert "feat(gateway): 实现负载感知的账号调度优化 (#114)" (#117)

This reverts commit 8d252303fc.

backend/internal/service/gemini_messages_compat_service.go

@@ -2278,13 +2278,11 @@ func convertClaudeToolsToGeminiTools(tools any) []any {
 				"properties": map[string]any{},
 			}
 		}
-		// 清理 JSON Schema
-		cleanedParams := cleanToolSchema(params)
 
 		funcDecls = append(funcDecls, map[string]any{
 			"name":        name,
 			"description": desc,
-			"parameters":  cleanedParams,
+			"parameters":  params,
 		})
 	}
 
@@ -2298,41 +2296,6 @@ func convertClaudeToolsToGeminiTools(tools any) []any {
 	}
 }
 
-// cleanToolSchema 清理工具的 JSON Schema，移除 Gemini 不支持的字段
-func cleanToolSchema(schema any) any {
-	if schema == nil {
-		return nil
-	}
-
-	switch v := schema.(type) {
-	case map[string]any:
-		cleaned := make(map[string]any)
-		for key, value := range v {
-			// 跳过不支持的字段
-			if key == "$schema" || key == "$id" || key == "$ref" ||
-				key == "additionalProperties" || key == "minLength" ||
-				key == "maxLength" || key == "minItems" || key == "maxItems" {
-				continue
-			}
-			// 递归清理嵌套对象
-			cleaned[key] = cleanToolSchema(value)
-		}
-		// 规范化 type 字段为大写
-		if typeVal, ok := cleaned["type"].(string); ok {
-			cleaned["type"] = strings.ToUpper(typeVal)
-		}
-		return cleaned
-	case []any:
-		cleaned := make([]any, len(v))
-		for i, item := range v {
-			cleaned[i] = cleanToolSchema(item)
-		}
-		return cleaned
-	default:
-		return v
-	}
-}
-
 func convertClaudeGenerationConfig(req map[string]any) map[string]any {
 	out := make(map[string]any)
 	if mt, ok := asInt(req["max_tokens"]); ok && mt > 0 {