* fix(opencode): surface autonomous parent turns
OpenCode extensions can prompt an idle session without Paseo owning an active turn. Adopt exact-session activity while keeping child permissions unbound.
* refactor(opencode): centralize session ownership guard
Keep autonomous turn ownership in the shared exact-session check so all qualifying events use one source of truth.
* fix(opencode): serialize autonomous handoff
Abort and await provider-side autonomous work before starting a direct Paseo prompt so late output cannot leak into the new turn.
* fix(opencode): reject stale interrupted activity
Keep late output from an interrupted Paseo turn out of autonomous admission until a real user message establishes the next run.
* fix(opencode): fence interrupted turn events
Use provider abort settlement and terminal events as the interrupted-turn boundary so delayed canceled user messages cannot resurrect old work.
* fix(opencode): recover from failed aborts
* fix(opencode): preserve timed-out abort fence
* refactor(opencode): model provider turn lifecycle
* fix(opencode): recover stop fence after stream loss
