checkpoint: DB baseline reset (v10) with perfect column order for n8n.

Integrated catalog_robot.py logic for structured data ingestion.
Updated models and documentation for the Robot Ecosystem.

n8n/data/nodes/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "installed-nodes",
+  "private": true,
+  "dependencies": {}
+}