Merge branch 'stack/agent-profiles-2-configs' into stack/agent-profiles-3-wire

# Conflicts:
#	packages/host/apiproxy/src/api-proxy.ts
#	packages/host/apiproxy/tests/api-proxy-subagents.spec.ts

packages/core/session/src/types.ts

@@ -169,7 +169,7 @@ export type TurnEndReason = TurnEndReasonMap[keyof TurnEndReasonMap]
 export interface TodoItem {
   /** What this task is — a short imperative line shown in the UI. */
   content: string
-  /** Lifecycle state. `in_progress` marks the single task being worked now. */
+  /** Lifecycle state. `in_progress` marks a task being worked now; parallel work may mark several. */
   status: 'pending' | 'in_progress' | 'completed'
 }