Ref T13072. Push nearly all Harbormaster build message logic into the new per-message transaction classes.
- Maniphest Tasks
- T13072: Merge Harbormaster BuildCommand into BuildMessage
- rP1212dc5fbe8b: Modularize almost all Harbormaster build message workflows and UI/UX
- Issued every message to Buildables.
- Issued every message to Builds.
- Looked at a big pile of error messages, couldn't find any typos.
- Grepped for affected symbols, etc.
- Ran bin/harbormaster restart ....