aa0dbdcc7a59ac91f3ddef4931e45468dcf5761b
Move `exec_review`, `download_git_diff`, and review formatting to a new `bot_actions::review` module. Update the review flow to post inline review comments via the Gitea API and simplify the comment markdown to a summary. Add diff formatting that preprocesses added lines with line numbers for the LLM prompt.
Description
A self-hosted Gitea bot powered by OpenRouter that reviews pull requests, answers questions, and implements features directly from issue comments.