Forward Scriptorium credentials through the shared adapter path

examples/pipeline.full.annotated.yml

@@ -217,6 +217,9 @@ notarius:
 
 scriptorium:
   binary: scriptorium
+  # Select provider names provisioned through Narratio's environment/secrets.
+  # Used for trim, analysis, and render-debug calls; no provider override.
+  # credentials: [OPENROUTER_API_KEY, RAKESTRAWHOME_API_KEY]
   config_path: /usr/local/etc/scriptorium/config.yml
   timeout: 10m
   render_debug: false

examples/pipeline.production.yml

@@ -68,6 +68,7 @@ normalize:
 
 scriptorium:
   binary: scriptorium
+  # credentials: [OPENROUTER_API_KEY] # Enable when this provider is configured.
   config_path: /usr/local/etc/scriptorium/config.yml
   timeout: 10m
   render_debug: false