docs: accept leader summary notification architecture

.project-docs/30-worklog/task-history.md

@@ -11,3 +11,4 @@ This is integrated history. Feature tasks write only their task-scoped records;
 | 2026-09-02 | Leadership dashboard query and filter contract | Integrated bounded single-connection reads, 20-row paging, cancellation/timeout feedback, display-only metrics, and explicit result filtering. | [Integration task](tasks/20260902-integrate-all-push-c93a7f21.md) |
 | 2026-09-03 | Adaptive ERP readiness and extension host updates | Integrated immediate-first scatter-plan readiness plus private OSS/ECS host updating as extension `0.5.167`; the server-update architecture was later reverted before deployment while the plugin release was retained. | [Original integration task](tasks/20260903-finalize-extension-update-a6c4e192.md) |
 | 2026-09-03 | Extension-update iteration backup and scoped rollback | Preserved exact commit `b2e33e2` on remote branch `codex/backup-extension-update-20260903-b2e33e2`, removed migration 019 and server-side automatic updating, and retained extension `0.5.167` plus migration 018 through non-force commits. | [Rollback task](tasks/20260903-backup-revert-extension-update-c71a4e92.md) |
+| 2026-09-07 | Team-lead AgentBus task summaries | Integrated default-off future-only summaries for other non-admin employees' manual/AgentBus outcomes through a separate encrypted outbox and verified proactive target, without changing task or ERP authority. | [Integration task](tasks/20260907-integrate-leader-summaries-84c1d7ea.md) |