docs: clarify health signal boundaries (#16)

Co-authored-by: Codex <noreply@openai.com>

Author: Pigbibi

docs/notification_format.md

@@ -22,6 +22,9 @@ candidates stay in JSON/Markdown audit material and are not included in the
 default notification summary. Notifications must not show orders, target
 weights, target share quantities, account suitability, or any account-specific
 allocation advice.
+The notification payload is advisory background evidence only; it is not
+AiGateway online service health, and it must not be treated as an automatic
+trading or auto-approval signal.
 
 ## Telegram Summary Shape
 

docs/system_design.md

@@ -18,6 +18,9 @@ and broker execution separated:
 
 `QuantAdvisorResearch` does not merge with execution repositories and does not
 turn advisory research artifacts into target allocations or orders.
+Any generated report or notification here is background evidence for content or
+recommendation health, not AiGateway online service health, and it must not be
+used as an automatic trading or auto-approval basis.
 
 ## Data Flow