diff --git a/VERSION b/VERSION
index 8d42220..5fa54f7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2026.09.25-f6afef7
+2026.09.25-13f10be
diff --git a/docker-compose.yml b/docker-compose.yml
index ff0cdd7..b4ad579 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -161,6 +161,8 @@ services:
       Hydra__PublicIssuer: ${PUBLIC_ISSUER}
       SAPServiceLayer__BaseUrl: ${SL_BASE_URL}
       SAPServiceLayer__CompanyDB: ${SL_COMPANYDB}
+      # Optional: ersetzt das produktweite KI-Briefing (Server-Instructions). Leer = Basis aus dem Code.
+      MCP_INSTRUCTIONS: ${MCP_INSTRUCTIONS:-}
       SAPServiceLayer__IgnoreSslErrors: ${SL_INSECURE:-false}
       POSTGRES_CONNECTION: "Host=postgres;Port=5432;Database=mcp;Username=mcp;Password=${PG_PASSWORD}"
       CREDS_KEY_FILE: /run/secrets/creds_key