* feat(server): show provider workflows in subagent track
Normalize workflow tasks into the provider-subagent contract so shared clients need no workflow awareness. Persisted nonterminal runs replay as failed because their original runtime can no longer deliver a terminal update.
* fix(server): preserve workflow replay and tool cards
* fix(server): suppress workflow notification cards
* fix(server): replay workflow child timelines
* fix(server): fail tasks when Claude exits
* fix(server): preserve workflow replay parity
* fix(server): fail tasks on Claude restart
* fix(server): hide workflow child prompts on replay
* fix: terminalize workflows on session reload
* fix(server): own workflow notification routing
* feat(server): show workflow results in detail pane
* fix(server): preserve unrestored task notifications
* fix(server): normalize replay task notifications
