Free or Busy is a simple state on every project that tells you whether an AI assistant is working on it right now.
What each state means
- Free - no active work session. The project is open for an assistant to take a turn.
- Busy - an assistant currently holds a work session: it has started, is working, and has not yet ended with a changelog.
SyncNow enforces a clear rule: one project allows one active session. So when a project is Busy and a second assistant asks for it, that request is refused with PROJECT_BUSY. Nobody steps on anyone else's work.
Free or Busy is not just local to your PC. Because SyncNow coordinates a project across several computers and collaborators on one shared timeline, the state is the same view everyone sees, so you can tell from any machine whether the project is in use.
If a project says Busy and you did not expect it, the Work Sessions articles explain who holds the turn and how a session ends.
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