- Removed obsolete compaction-threading audit test coverage.
- Updated issue-825-repro and skill-queue tests for object-based queued message text entries.
- Expanded queued-message tests to verify image restoration via clearQueue paths.
- Added `recordLocalSubmission` and `withLocalSubmission` to replace inline signature set mutations across input and compaction flush paths.
- Signatures are now cleaned up automatically on delivery failure, preventing stale entries from suppressing editor-draft protection on retries.
- Extended test fixtures and added cases covering signature lifecycle for idle, streaming, and fire-and-forget submission paths.
flushCompactionQueue() fires session.prompt(text) on the first non-slash
queued message. If the session is still streaming when compaction-end
lands (race between isStreaming flipping false and the event arriving),
prompt() throws AgentBusyError, restoreQueue() dumps the message back
into compactionQueuedMessages, and it stalls there: nothing drains that
array except the next compaction-end. The user sees the steer preview
but cannot deliver the message (Alt+Up consults session.clearQueue, not
compactionQueuedMessages).
Pass streamingBehavior derived from the queued message's mode so
prompt() routes into the steer/follow-up queue when busy and runs as a
fresh prompt when idle.
Fixes#825
can1357