Sceneplay — Image Upload Test Client

1 · Session

API base

Credential type

Identifier

Password Bearer token (or paste one directly)

2 · Avatar upload

Image file (jpeg / png / webp, ≤ 5 MiB)

presign (POST /users/me/avatar/upload-url)
S3 direct POST (presigned policy)
confirm (POST /users/me/avatar/confirm)

3 · Scene thumbnail

Scene ID (must be your scene) Image file

presign
S3 POST
confirm

4 · Race tester (SUPERSEDED)

Runs TWO full avatar flows concurrently for the same slot. Expected: both confirms return ready, exactly one URL survives (newest-wins), the loser's row is finalized superseded → rejected, and a later replay of the loser's confirm returns rejected · superseded by ….

File A

File B

Notes: gateway CORS allows all origins in development. If the S3 POST step fails with a CORS error, that's the input bucket's CORS configuration (it must allow POST from your origin), not this client. Rate limit: 10 image requests/min/user.

🖼 Image Upload Test Client — presign → S3 POST → confirm

1 · Session

2 · Avatar upload

3 · Scene thumbnail

4 · Race tester (SUPERSEDED)