文案(文件管理):按 human-copy 重写对话框、状态、菜单与提示

- 永久删除的说明改成实际开关 FILES_ALLOW_PERMANENT_DELETE,去掉「在设置里开启」的错误说法
- 去掉「待处理」「仅 TMDB」「目录根」等旧称,收录版本退回状态写「需处理」
- 删除、移动/复制、重命名、刮削、刷新元数据对话框去掉复述界面的说明
- 加载与进行中文字统一带省略号;Toast 只写结果

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

apps/web/app/components/files/model.test.ts

@@ -312,7 +312,7 @@ describe("transferTargetProblem(U13)", () => {
   ];
   it("目标就是源所在目录 / 在源目录之内时拦下", () => {
     expect(transferTargetProblem(items, { root: "dl", path: "a" })).toMatch(/已在这个目录里/);
-    expect(transferTargetProblem(items, { root: "dl", path: "pack/sub" })).toMatch(/目标在源目录之内/);
+    expect(transferTargetProblem(items, { root: "dl", path: "pack/sub" })).toMatch(/目标不能是 pack 或它的子目录/);
     expect(transferTargetProblem([{ root: "dl", path: "x.mkv" }], { root: "dl", path: "" })).toMatch(/已在/);
   });
   it("其他目录、其他根放行", () => {
@@ -370,7 +370,7 @@ describe("识别远端回填(S-7)", () => {
       { ...other, taskId: "run-1", status: "failed", error: "超时" } as never,
     );
     expect(f.remoteTaskId).toBeNull();
-    expect(f.items[0]?.warnings).toEqual(["远端查询失败，只有本地结果：超时"]);
+    expect(f.items[0]?.warnings).toEqual(["TMDB 查询失败，只显示本地结果：超时"]);
   });
 });