M54: harden operations and demo resilience

n8n/workflows/MANIFEST.md

@@ -17,9 +17,9 @@ credential values are never embedded; nodes reference named n8n credentials inst
 | Live workflow ID | `mobilityops-return-processing` |
 | Active status (as of 2026-08-04) | Active / Published |
 | Error Workflow | `Fleet Ops — Workflow Error Handler` (wired) |
-| Timeouts / bounded retries | `Record follow-up` and heartbeat HTTP nodes: 15s timeout, retry on fail (3 tries, 1000ms wait) |
+| Timeouts / bounded retries | `Record follow-up` and heartbeat HTTP nodes: 2s timeout, retry on fail (2 tries, 1000ms wait); their combined 10s worst-case retry budget remains below Fleet Ops's 15s dispatcher timeout and 120s delivery lease. |
 | Execution telemetry | Successful runs POST execution ID and status to `/api/v1/integrations/n8n/heartbeat`; failed runs are registered by the Error Workflow. |
-| Checksum (sha256) | `19f233b6de90a3474010d5495a53c75e969fb5de591e84dd3abcf9635304c1f1` (HTTPS callback definition, 2026-08-21) |
+| Checksum (sha256) | `a282d92dc33cb838609ab32ca2d9502d141d0c82d83668bdfb341a24e19e3bdc` (bounded retries and strict event/correlation forwarding, 2026-08-23) |
 
 ## 2. Fleet Ops — Scheduled Data Quality Scan
 

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

@@ -24,7 +24,7 @@
     },
     {
       "parameters": {
-        "jsCode": "const e = $json.body ?? $json;\nif (e.event_type !== 'vehicle.returned.v1') throw new Error('Unsupported event type');\nconst reasons = e.data?.attention_reasons ?? [];\nreturn [{json: {event_id: e.event_id, event_type: e.event_type, aggregate_ref: e.aggregate.public_ref, follow_up: reasons.length ? 'attention_required' : 'cleaning', summary: reasons.join('; ') || 'Create cleaning follow-up'}}];"
+        "jsCode": "const e = $json.body ?? $json;\nif (e.event_type !== 'vehicle.returned.v1') throw new Error('Unsupported event type');\nconst reasons = e.data?.attention_reasons ?? [];\nreturn [{json: {event_id: e.event_id, correlation_id: e.correlation_id, event_type: e.event_type, aggregate_ref: e.aggregate.public_ref, follow_up: reasons.length ? 'attention_required' : 'cleaning', summary: reasons.join('; ') || 'Create cleaning follow-up'}}];"
       },
       "id": "validate-node",
       "name": "Validate and derive follow-up",
@@ -52,7 +52,7 @@
         "rawContentType": "application/json",
         "body": "={{JSON.stringify($json)}}",
         "options": {
-          "timeout": 15000
+          "timeout": 2000
         }
       },
       "id": "callback-node",
@@ -66,7 +66,7 @@
         }
       },
       "retryOnFail": true,
-      "maxTries": 3,
+      "maxTries": 2,
       "waitBetweenTries": 1000
     },
     {
@@ -84,7 +84,7 @@
           { "name": "execution_id", "value": "={{ $execution.id }}" },
           { "name": "status", "value": "succeeded" }
         ]},
-        "options": { "timeout": 15000 }
+        "options": { "timeout": 2000 }
       },
       "id": "heartbeat-node",
       "name": "Report workflow heartbeat",
@@ -93,7 +93,7 @@
       "position": [980, 300],
       "credentials": { "httpHeaderAuth": { "name": "Fleet Ops Service Token" } },
       "retryOnFail": true,
-      "maxTries": 3,
+      "maxTries": 2,
       "waitBetweenTries": 1000
     },
     {