Add code style docs and versioning policy for OpenSSF compliance

Author: bloo-berries

GOVERNANCE.md

@@ -45,6 +45,10 @@ git rebase HEAD~N --signoff
 
 A [GitHub Action](.github/workflows/dco.yml) enforces sign-off on every pull request.
 
+## Versioning and Upgrades
+
+This project is a continuously deployed web application hosted at [theblind.spot](https://theblind.spot). All users automatically receive the latest version on every deployment — there are no separately maintained older versions, installable packages, or manual upgrade steps. This makes version maintenance and upgrade path documentation not applicable.
+
 ## Access Continuity
 
 The project is MIT licensed and hosted on a public GitHub repository. The following measures ensure the project can continue with minimal interruption if the maintainer becomes unavailable:

readme.md

@@ -257,6 +257,10 @@ We welcome contributions! Here's how you can help:
 6. **Push to the branch**: `git push origin feature/amazing-feature`
 7. **Open a Pull Request**
 
+### Code Style
+
+This project follows the [Create React App ESLint configuration](https://www.npmjs.com/package/eslint-config-react-app) with additional rules defined in `package.json`. TypeScript strict mode provides further enforcement. CI treats all ESLint warnings as errors, so contributions must pass linting to be merged.
+
 ### Areas for Contribution
 
 - **New vision conditions**: Add more realistic simulations