This is an umbrella issue to support code suggestion features.

Related: #624, #660
Depends on: #628

• Reporters support
  • -reporter=github-pr-review github-pr-review: Support line based suggestions #675 github-pr-review: Support range suggestions #698
  • -reporter=gitlab-mr-discussion
  • -reporter=gerrit-change-review
  • -reporter=local?
• Unified DIff based suggestion support Allow mergeable suggestions in GitHub review comments #660 (Diff -> Reviewdog Diagnostic Format Convertion) Support -f=diff especially for suggested fix #699
  • Create diff based suggestion github action　https://github.com/reviewdog/action-suggester