dart analyze errors

[insign]

@jules fix these erros of dart analyze. At the end, rerun the dart analyze and dart tests

⚡ dart analyze
Analyzing xpm...                       0.2s

warning • dev.dart:2:7 • The value of the local variable 'amd' isn't used. Try removing the variable or
          using it. • unused_local_variable
   info • bin/xpm.dart:83:19 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/prepare.dart:89:24 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/prepare.dart:101:28 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/prepare.dart:134:27 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/prepare.dart:609:30 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/repositories.dart:110:10 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/os/run.dart:11:32 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/setting.dart:90:38 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • lib/xpm.dart:36:14 • Missing type annotation. Try adding a type annotation. •
          strict_top_level_inference
   info • test/move_to_bin_test.dart:1:1 • This annotation should be attached to a library directive. Try
          attaching the annotation to a library directive. • library_annotations
   info • test/move_to_bin_test.dart:2:1 • This annotation should be attached to a library directive. Try
          attaching the annotation to a library directive. • library_annotations
   info • test/run_test.dart:1:1 • This annotation should be attached to a library directive. Try attaching
          the annotation to a library directive. • library_annotations
   info • test/shortcut_test.dart:1:1 • This annotation should be attached to a library directive. Try
          attaching the annotation to a library directive. • library_annotations

14 issues found.

[insign]

@google-jules-bot