M14: add n8n execution health telemetry

n8n/workflows/fleet-ops-vehicle-return.json

@@ -69,6 +69,33 @@
       "maxTries": 3,
       "waitBetweenTries": 1000
     },
+    {
+      "parameters": {
+        "method": "POST",
+        "url": "http://192.168.10.150:1236/api/v1/integrations/n8n/heartbeat",
+        "authentication": "genericCredentialType",
+        "genericAuthType": "httpHeaderAuth",
+        "sendBody": true,
+        "contentType": "json",
+        "specifyBody": "keypair",
+        "bodyParameters": { "parameters": [
+          { "name": "workflow_id", "value": "={{ $workflow.id }}" },
+          { "name": "workflow_name", "value": "={{ $workflow.name }}" },
+          { "name": "execution_id", "value": "={{ $execution.id }}" },
+          { "name": "status", "value": "succeeded" }
+        ]},
+        "options": { "timeout": 15000 }
+      },
+      "id": "heartbeat-node",
+      "name": "Report workflow heartbeat",
+      "type": "n8n-nodes-base.httpRequest",
+      "typeVersion": 4.2,
+      "position": [980, 300],
+      "credentials": { "httpHeaderAuth": { "name": "Fleet Ops Service Token" } },
+      "retryOnFail": true,
+      "maxTries": 3,
+      "waitBetweenTries": 1000
+    },
     {
       "parameters": {
         "respondWith": "json",
@@ -79,7 +106,7 @@
       "name": "Return result",
       "type": "n8n-nodes-base.respondToWebhook",
       "typeVersion": 1.4,
-      "position": [1020, 300]
+      "position": [1220, 300]
     }
   ],
   "connections": {
@@ -90,6 +117,9 @@
       "main": [[{ "node": "Record follow-up", "type": "main", "index": 0 }]]
     },
     "Record follow-up": {
+      "main": [[{ "node": "Report workflow heartbeat", "type": "main", "index": 0 }]]
+    },
+    "Report workflow heartbeat": {
       "main": [[{ "node": "Return result", "type": "main", "index": 0 }]]
     }
   },