docs: clarify health signal boundaries

Co-Authored-By: Codex <noreply@openai.com>

Author: Pigbibi

docs/operator_runbook.md

@@ -61,7 +61,7 @@ Rules:
 
 ## Upstream Reporting Responsibilities
 
-This repository owns the monthly reporting and publish-status summary layer for the upstream release.
+This repository owns the monthly reporting and publish-status summary layer for the upstream release. These summaries are background evidence for artifact or content health, not a proxy for any AiGateway online service health, and they do not authorize automated trading or unconditional publish decisions.
 
 Operator-facing summary entrypoints:
 

docs/validation_status.md

@@ -1,6 +1,6 @@
 # Validation Status
 
-This document tracks the current frozen production decision and what still remains experimental.
+This document tracks the current frozen production decision and what still remains experimental. Its validation snapshots are evidence about artifact or content health, not a live service health check for AiGateway, and they must not be used as automatic trading or auto-release approval.
 
 ## Frozen Default