Enforce route validation in CI

[priscaenoch]

Problem

package.json defines validate-routes and test:routes scripts, but .github/workflows/ci.yml does not run either (it runs validate:prisma, lint, build, typecheck:scripts, and test). Given the size of the API surface, route definitions can drift from what these scripts validate without anything failing.

What needs to be done

• Confirm what validate-routes and test:routes check and that they pass on the current main.
• Add them to the CI workflow as explicit steps.
• If either script is currently failing or obsolete, fix or remove it rather than leaving an unused script in package.json.

Files

• .github/workflows/ci.yml
• package.json
• scripts/ (the route validation implementation)

Acceptance deliverables

• Route validation runs on every pull request and blocks on failure.
• No unused validation scripts remain in package.json.

Tests to pass

• npm run validate-routes and npm run test:routes pass in CI on the current main.