- Fix & rewrite README.md (rename from RAEDME.md, add badges, rewrite content)
- Populate LICENSE.md with MIT license
- Create CHANGELOG.md from git history
- Rewrite HelpWindowController with tabbed help (Getting Started, Shortcuts, Filtering, Tips, About)
- Create Gridka.entitlements (sandbox + user-selected file read-only)
- Create GridkaQuickLook.entitlements (minimal sandbox)
- Create Resources/PrivacyInfo.xcprivacy (privacy manifest for App Store)
- Update project.yml (entitlements, code signing, hardened runtime, dylib signing)
- Create scripts/build-release.sh (archive + export + validate + upload)
- Create scripts/bump-version.sh (version + build number management)
- Create docs/APP_STORE_SUBMISSION.md (manual steps guide)
- Verify xcodegen + build succeeds with new configuration