Session 0JEMtua4krVi

Adversarially review PR #90 in /home/byk/Code/getsentry/sentry-api-schema against origin/main. Focus on Hey API Valibot and Zod generation, Zod 3-to-4 breaking changes, schema semantic parity, naming collisions, TypeScript declaration size and correctness, runtime compatibility, documentation accuracy, and missing tests. Do not edit. Return only concrete findings ordered by severity with exact file:line references and minimal fixes. Explicitly state no findings if none.