M14: add n8n execution health telemetry

frontend/src/api/types.ts

@@ -315,6 +315,9 @@ export interface N8nWorkflowEvidence {
   name: string;
   built: boolean;
   last_seen_at: string | null;
+  state: "no_evidence" | "healthy" | "stale" | "failed";
+  last_status: "succeeded" | "failed" | null;
+  last_execution_id: string | null;
 }
 
 export interface N8nErrorHandlerStatus {

frontend/src/i18n/locales/en-GB/integrations.json

@@ -37,6 +37,10 @@
     "description": "{{known}} of {{expected}} canonical n8n workflows have live evidence of running.",
     "notBuilt": "Not built yet",
     "noEvidence": "No evidence yet",
+    "healthy": "Healthy",
+    "stale": "Evidence is stale",
+    "failed": "Latest execution failed",
+    "executionId": "Execution",
     "columns": {
       "name": "Workflow",
       "status": "Status",

frontend/src/i18n/locales/fr-BE/integrations.json

@@ -36,7 +36,11 @@
     "title": "Workflows d'automatisation",
     "description": "{{known}} workflows n8n canoniques sur {{expected}} disposent de preuves actuelles de fonctionnement.",
     "notBuilt": "Pas encore créé",
-    "noEvidence": "Aucune preuve pour l'instant",
+    "noEvidence": "Aucune preuve pour l’instant",
+    "healthy": "Sain",
+    "stale": "Preuve obsolète",
+    "failed": "Dernière exécution échouée",
+    "executionId": "Exécution",
     "columns": {
       "name": "Workflow",
       "status": "Statut",

frontend/src/i18n/locales/nl-BE/integrations.json

@@ -37,6 +37,10 @@
     "description": "{{known}} van {{expected}} canonieke n8n-workflows hebben actuele evidentie van werking.",
     "notBuilt": "Nog niet gebouwd",
     "noEvidence": "Nog geen evidentie",
+    "healthy": "Gezond",
+    "stale": "Evidentie verouderd",
+    "failed": "Laatste uitvoering mislukt",
+    "executionId": "Uitvoering",
     "columns": {
       "name": "Workflow",
       "status": "Status",

frontend/src/pages/Automation.tsx

@@ -279,9 +279,13 @@ export function Automation() {
                 const displayName = slug ? t(`workflows.names.${slug}`) : w.name;
                 const badge = !w.built
                   ? { status: "not_configured", label: t("workflows.notBuilt") }
-                  : w.last_seen_at
-                    ? { status: "available", label: t("statusLabels.operational") }
-                    : { status: "no_events", label: t("workflows.noEvidence") };
+                  : w.state === "healthy"
+                    ? { status: "available", label: t("workflows.healthy") }
+                    : w.state === "stale"
+                      ? { status: "degraded", label: t("workflows.stale") }
+                      : w.state === "failed"
+                        ? { status: "failed", label: t("workflows.failed") }
+                        : { status: "no_events", label: t("workflows.noEvidence") };
                 return (
                   <tr key={w.name}>
                     <td data-label={t("workflows.columns.name")}>{displayName}</td>
@@ -298,7 +302,7 @@ export function Automation() {
                     <td data-label={t("workflows.columns.technicalId")}>
                       <details className="evidence-disclosure">
                         <summary>{t("common:actions.technicalDetails")}</summary>
-                        <span className="table-subtext">{w.name}</span>
+                        <span className="table-subtext">{w.name}{w.last_execution_id ? ` · ${t("workflows.executionId")}: ${w.last_execution_id}` : ""}</span>
                       </details>
                     </td>
                   </tr>