diff --git a/services/targo-hub/lib/legacy-dispatch-sync.js b/services/targo-hub/lib/legacy-dispatch-sync.js
index 57ad947..e083ef1 100644
--- a/services/targo-hub/lib/legacy-dispatch-sync.js
+++ b/services/targo-hub/lib/legacy-dispatch-sync.js
@@ -84,6 +84,7 @@ async function fetchTargoTickets () {
   const p = pool(); if (!p) throw new Error('mysql2 indisponible sur le hub')
   const [rows] = await p.query(
     `SELECT t.id, t.subject, t.dept_id, dd.name AS dept, t.due_date, t.due_time, t.priority, t.bon_id, t.account_id,
+            t.date_create, t.last_update,
             a.first_name, a.last_name, a.company, a.address1, a.address2, a.city, a.state, a.zip,
             (SELECT mm.msg FROM ticket_msg mm
               WHERE mm.ticket_id = t.id AND mm.msg LIKE '%connect_ministra%'
@@ -149,7 +150,10 @@ async function buildJob (t) {
     legacy_dept: t.dept || '', // département legacy granulaire → coloriage « comme legacy » (Installation Fibre / Réparation Fibre / Télé / Téléphonie…)
   }
   const actUrl = extractActivationUrl(t.activation_msg); if (actUrl) payload.legacy_activation_url = actUrl // lien connect_ministra (déjà dans le fil)
-  const detail = stripHtml(t.first_msg); if (detail) payload.legacy_detail = detail // description/contenu du ticket legacy → visible dans Ops
+  // En-tête de dates (ouverture + dernière MàJ) pour juger l'ancienneté → décider de fermer ; puis la description.
+  const dateHdr = '🗓 Ouvert ' + (tzDate(t.date_create) || '?') + (t.last_update ? ' · MàJ ' + tzDate(t.last_update) : '')
+  const detail = [dateHdr, stripHtml(t.first_msg)].filter(Boolean).join('\n\n')
+  if (detail) payload.legacy_detail = detail // description + dates → visible dans Ops (mouseover panneau + détail Dispatch)
   const sd = tzDate(t.due_date); if (sd) payload.scheduled_date = sd
   const st = startTime(t.due_time); if (st) payload.start_time = st
   if (cust) payload.customer = cust.name
@@ -183,7 +187,7 @@ async function sync ({ dryRun = false } = {}) {
         const patch = {}
         if (!ex.legacy_dept && b.payload.legacy_dept) patch.legacy_dept = b.payload.legacy_dept
         if (!ex.legacy_activation_url && b.payload.legacy_activation_url) patch.legacy_activation_url = b.payload.legacy_activation_url // backfill lien activation (sans risque)
-        if (!ex.legacy_detail && b.payload.legacy_detail) patch.legacy_detail = b.payload.legacy_detail // backfill description du ticket
+        if (b.payload.legacy_detail && ex.legacy_detail !== b.payload.legacy_detail) patch.legacy_detail = b.payload.legacy_detail // (re)backfill description + dates (idempotent : ne réécrit que si différent)
         if (ex.status === 'open' && !ex.assigned_tech && b.payload.scheduled_date && b.payload.scheduled_date !== ex.scheduled_date) patch.scheduled_date = b.payload.scheduled_date
         if (!dryRun && Object.keys(patch).length) { await erp.update('Dispatch Job', ex.name, patch); updated++; details.push({ legacy_id: b.legacy_id, action: 'update', job: ex.name, patch }) }
         else skipped++