Add POST /player/basic/batch

[owens1127]

Summary

• New POST /player/basic/batch accepts up to 12 membershipIds and returns found players in one SQL round-trip (WHERE membership_id = ANY(...)).
• Companion to Website prevention infra PR — eliminates fireteam N+1 /player/*/basic calls.

Test plan

• bun test src/routes/player/basic-batch.test.ts (needs local Postgres fixture DB)
• Merge before Website PR that consumes this endpoint
• After deploy: curl -X POST https://api.raidhub.io/player/basic/batch -H "X-API-KEY: ..." -d '{"membershipIds":["..."]}'

Made with Cursor

[barecheck]

Barecheck - Code coverage report

Total: 91.5%

Your code coverage diff: 0.03% ▴

Uncovered files and lines

File	Lines
src/services/player.ts	32