Add Emberwake Cloud Ecosystem deploy hub with AWS and generic spread templates.

Unified expandable panels with mermaid flows, ZIP export, connection tests, and Playwright smoke coverage.

templates/cloud/cloud-map/registry-endpoint.json

@@ -0,0 +1,13 @@
+{
+  "namespace": "{{NAMESPACE_NAME}}",
+  "service": "seeder",
+  "instances": [
+    {
+      "agent_id": "REPLACE_AGENT_ID",
+      "dns_name": "seeder.svc.{{NAMESPACE_NAME}}",
+      "ip": "10.0.1.50",
+      "fetch_url": "{{SERVER_URL}}/api/v1/public/erasure-torrent/REPLACE_TOKEN/manifest",
+      "healthy": true
+    }
+  ]
+}