添加聊天框消息解析功能；优化请求头处理；更新部分 api base url

src/contexts/ProjectContext.tsx

@@ -53,7 +53,7 @@ export const ProjectProvider: React.FC<{ children: React.ReactNode }> = ({
     try {
       // Open project backend (simulation model)
       const openResponse = await apiFetch(
-        `${config.BACKEND_URL}/openproject/?network=${net}`,
+        `${config.BACKEND_URL}/api/v1/openproject/?network=${net}`,
         {
           method: "POST",
         },
@@ -64,7 +64,7 @@ export const ProjectProvider: React.FC<{ children: React.ReactNode }> = ({
 
       // Fetch project metadata
       const infoResponse = await apiFetch(
-        `${config.BACKEND_URL}/project_info/?network=${net}`,
+        `${config.BACKEND_URL}/api/v1/project_info/?network=${net}`,
       );
       if (!infoResponse.ok) {
         console.warn(