By: Michael Lynch <git@mtlynch.io>
Add behavior-rich media store writes Let media consumers produce output through a Write callback so storage adapters own seekability and S3 metadata. Cover local and S3 adapter behavior without filesystem writes, and document the contract and implementation path.
| Time to Start | Worker time | Duration | Time to finish | Idle | |
| Config | 10s | 8s | 8s | 18s | 10s |
| Eval | 33s | 1m24s | 1m24s | 1m58s | 15s |
| Build | 1m49s | 4m15s | - | - | 1m21s |
| Suite | 10s | 5m48s | - | - | 1h12m32s |