By: Michael Lynch <git@mtlynch.io>
Add typed media content type Introduce mediastore.ContentType for media writer content types while keeping storage keys as strings. This ports only the content type wrapper from origin/slice-1 without pulling in the broader storage key changes.
| Time to Start | Worker time | Duration | Time to finish | |
| Config | 2s | 10s | 10s | 12s |
| Eval | 10s | 46s | 46s | 57s |
| Build | 15s | 5m29s | 58s | 1m14s |
| Test | - | - | - | - |
| Deploy | - | - | - | - |
| Suite | 2s | 6m27s | 1m11s | 1m14s |