新增设置选中的角色功能，优化角色选择逻辑以支持未定义角色的情况，同时更新角色视频片段服务和编辑数据逻辑，确保角色库保存功能的完整性。

app/service/Interaction/RoleShotService.ts

@@ -39,17 +39,19 @@ interface UseRoleShotService {
   applyRoleToSelectedShots: (newRole: RoleEntity) => Promise<void>;
   /** 清空选择列表 */
   clearShotSelection: () => void;
+  /** 设置选中的角色 */
+  setSelectedRole: (role: RoleEntity) => void;
 }
 
 /**
  * 角色视频片段服务Hook
  * 提供角色与视频片段交互的所有响应式功能和业务逻辑
  */
-export const useRoleShotServiceHook = (projectId: string,selectRole:RoleEntity): UseRoleShotService => {
+export const useRoleShotServiceHook = (projectId: string,selectRole?:RoleEntity): UseRoleShotService => {
   // 响应式状态
   const [shotSelectionList, setShotSelectionList] = useState<ExtendedVideoSegmentEntity[]>([]);
   const [selectedRoleId, setSelectedRoleId] = useState<string | null>(null);
-  const [selectedRole, setSelectedRole] = useState<RoleEntity | null>(selectRole);
+  const [selectedRole, setSelectedRole] = useState<RoleEntity | null>(selectRole || null);
   const [isReplacing, setIsReplacing] = useState<boolean>(false); // 全局替换状态
 
   // 计算属性
@@ -238,5 +240,6 @@ export const useRoleShotServiceHook = (projectId: string,selectRole:RoleEntity):
     toggleShotSelection,
     applyRoleToSelectedShots,
     clearShotSelection,
+    setSelectedRole
   };
 };

components/pages/work-flow/use-edit-data.tsx

@@ -45,7 +45,8 @@ export const useEditData = (tabType: string) => {
     optimizeRoleText,
     updateRoleText,
     regenerateRole,
-    uploadImageToQiniu
+    uploadImageToQiniu,
+    saveRoleToLibrary
   } = useRoleServiceHook();
 
   const {
@@ -58,7 +59,7 @@ export const useEditData = (tabType: string) => {
     toggleShotSelection,
     applyRoleToSelectedShots,
     clearShotSelection
-  } = useRoleShotServiceHook(projectId, selectedRole);
+  } = useRoleShotServiceHook(projectId, selectedRole || undefined);
 
   useEffect(() => {
     if (tabType === 'shot') {
@@ -116,6 +117,7 @@ export const useEditData = (tabType: string) => {
     toggleSelectAllShots,
     toggleShotSelection,
     applyRoleToSelectedShots,
-    clearShotSelection
+    clearShotSelection,
+    saveRoleToLibrary
   }
-}
+}

components/ui/character-tab-content.tsx

@@ -94,7 +94,8 @@ export function CharacterTabContent({
     // role shot
     shotSelectionList,
     fetchRoleShots,
-    applyRoleToSelectedShots
+    applyRoleToSelectedShots,
+    saveRoleToLibrary
   } = useEditData('role');
   const searchParams = useSearchParams();
   const episodeId = searchParams.get('episodeId');
@@ -154,6 +155,9 @@ export function CharacterTabContent({
     console.log('Add to library:', addToLibrary);
     applyRoleToSelectedShots(selectedRole || {} as RoleEntity);
     setIsReplacePanelOpen(false);
+    if(addToLibrary){
+      saveRoleToLibrary();
+    }
   };
 
   // 取消替换