Where branch is checked out outside the orchestrator's own worktrees, or
null when it is free (#154). The engine probes this before committing a
dispatch intent, so a held branch defers the dispatch — nothing written, no
ledger entry, no retry spent — instead of failing it after the fact.
Where
branchis checked out outside the orchestrator's own worktrees, or null when it is free (#154). The engine probes this before committing a dispatch intent, so a held branch defers the dispatch — nothing written, no ledger entry, no retry spent — instead of failing it after the fact.