refactor: 直接使用 TolerantJsonParser 而不是通过命令调用

- 移除对 parse_json_tolerant 命令的依赖，避免 Mutex 污染问题
- 直接创建和使用 TolerantJsonParser 实例
- 简化代码路径，提高性能和稳定性
- 移除不必要的 JsonParserState 参数

apps/desktop/src-tauri/src/presentation/commands/veo3_actor_define_commands.rs

@@ -6,7 +6,7 @@ use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use chrono;
 use veo3_scene_writer::Veo3ActorDefine;
-use crate::presentation::commands::tolerant_json_commands::{ParseJsonRequest, JsonParserState};
+use crate::infrastructure::tolerant_json_parser::TolerantJsonParser;
 
 /// VEO3 角色定义响应结构
 #[derive(Debug, Serialize, Deserialize)]
@@ -202,7 +202,6 @@ pub struct CreateActorFileResponse {
 pub async fn veo3_actor_define_create_actor_file(
     request: CreateActorFileRequest,
     session_manager: State<'_, Veo3ActorDefineSessionManager>,
-    json_parser_state: State<'_, JsonParserState>,
 ) -> Result<CreateActorFileResponse, String> {
     // 获取最近一次助手回复
     let last_assistant_message = {
@@ -233,16 +232,20 @@ pub async fn veo3_actor_define_create_actor_file(
     };
 
     // 使用容错JSON解析器提取JSON
-    let parse_request = ParseJsonRequest {
-        text: assistant_message,
-        config: None,
+    let mut parser = match TolerantJsonParser::new(None) {
+        Ok(p) => p,
+        Err(e) => {
+            return Ok(CreateActorFileResponse {
+                success: false,
+                file_path: None,
+                extracted_json: None,
+                error: Some(format!("创建JSON解析器失败: {}", e)),
+            });
+        }
     };
 
-    let parse_response = match crate::presentation::commands::tolerant_json_commands::parse_json_tolerant(
-        parse_request,
-        json_parser_state,
-    ).await {
-        Ok(response) => response,
+    let json_data = match parser.parse(&assistant_message) {
+        Ok((data, _statistics)) => data,
         Err(e) => {
             return Ok(CreateActorFileResponse {
                 success: false,
@@ -253,17 +256,6 @@ pub async fn veo3_actor_define_create_actor_file(
         }
     };
 
-    if !parse_response.success || parse_response.data.is_none() {
-        return Ok(CreateActorFileResponse {
-            success: false,
-            file_path: None,
-            extracted_json: None,
-            error: Some(parse_response.error.unwrap_or_else(|| "JSON解析失败".to_string())),
-        });
-    }
-
-    let json_data = parse_response.data.unwrap();
-
     // 生成文件名
     let file_name = request.file_name.unwrap_or_else(|| {
         let timestamp = chrono::Utc::now().format("%Y%m%d_%H%M%S");