test: protect the 23-tool registry from duplicate entries

[McanKul]

Goal

Add a small invariant test so the public 23-tool registry cannot silently gain duplicate or incomplete entries.

Acceptance criteria

• Assert that the registry contains 23 tools.
• Tool IDs and routes are unique.
• Every route starts with /tools/.
• Name, description, and long description are non-empty.
• Every category is valid and contains at least one tool.

Files

• New src/lib/tools.test.ts

Verification

• npm test -- src/lib/tools.test.ts
• npm run typecheck

[aryansk]

I’m planning the narrow invariant-test change described here against development: cover the 23-tool count, unique IDs/routes, /tools/ paths, required copy, and category coverage.

[McanKul]

Thanks for picking this up, @aryansk — I’ve assigned the issue to you. We appreciate your help!

Please keep the change focused on the acceptance criteria, work from the latest development branch, and open the PR against development. The registry tests should document the current 23-tool contract without changing production behavior unless a test exposes a genuine bug. Please run the listed verification commands and make sure CI is green.

Feel free to ask here if anything is unclear. We’ll be glad to review your PR.