pr-checklist

Pre-PR review checklist for the claude-code-gui-jetbrains project. Verifies a change is ready to open a pull request against main — rebased onto the latest main, feature docs written for feature PRs, no marketplace-forbidden Internal/ Deprecated JetBrains APIs, all three test layers passing, the project's core principles (CLI equivalence, original-data preservation, consistent naming) respected, and the lessons…