Resident-file leases were stamped as "pending" at spawn time because the
agent id is only assigned by the manager later. The release function
introduced in 2ee926924 matches by agent id, so it could never find
those entries and leases would persist for the lifetime of the process.
After spawn returns the real agent id, replace any "pending" entry with
it so the existing release-on-terminal-state path actually fires.
Resolves the documented v0.8.12 caveat noted in the CHANGELOG. Closes
the loop with PR #694, which proposed a release-by-file-path API but
did not address the placeholder problem itself.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Hunter Bown
3fedb980c7