v2.0.0-rc.3

Summary

• Install and --update always report .gitignore merge status (written / upgraded / already up to date).
• /midas-doctor documents gitignore:midas-block and applies the snippet via --fix.
• /midas-update exit gate requires gitignore:midas-block ok after upgrade.

Update an existing v2 install

cd /path/to/your-project
npx github:okuzpe/midas-harness#v2.0.0-rc.3 --update
node .harness/scripts/doctor.mjs .

Then commit the refreshed .harness/ files and any .gitignore changes.