From 767e514dade8744d9cb00d7a3d7aa16b681b0210 Mon Sep 17 00:00:00 2001
From: jerem <j.guillot_ext@maxicoffee.com>
Date: Wed, 17 Jun 2026 15:33:13 +0200
Subject: [PATCH] =?UTF-8?q?Trackers:=20horodatage=20discret=20de=20la=20de?=
 =?UTF-8?q?rni=C3=A8re=20maj=20des=20donn=C3=A9es=20(cache=201h)?=
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Content-Transfer-Encoding: 8bit

---
 backend/integrations/trackers.py | 8 ++++++++
 backend/render.py                | 6 ++++++
 backend/templates/dashboard.html | 6 +++++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/backend/integrations/trackers.py b/backend/integrations/trackers.py
index ac04f39..6b27dfc 100644
--- a/backend/integrations/trackers.py
+++ b/backend/integrations/trackers.py
@@ -323,3 +323,11 @@ async def fetch_all() -> list[TrackerStat]:
         return []
     _load_cache()  # hydrate le cache depuis le disque au premier appel
     return list(await asyncio.gather(*(_fetch_one(s) for s in specs)))
+
+
+def last_updated() -> float | None:
+    """Horodatage epoch du fetch réussi le plus récent parmi les trackers cachés
+    (à appeler après `fetch_all`). Reflète la fraîcheur réelle des données, qui peut
+    dater (cache 1h + persistance disque), pas l'heure du rendu. None si rien en cache."""
+    stamps = [entry["ts"] for entry in _cache.values() if entry["value"].ok]
+    return max(stamps) if stamps else None
diff --git a/backend/render.py b/backend/render.py
index 9558013..4f131f5 100644
--- a/backend/render.py
+++ b/backend/render.py
@@ -64,6 +64,11 @@ async def build_context() -> dict:
     )
 
     now = datetime.now(ZoneInfo(config.timezone))
+    trk_ts = trackers.last_updated()
+    trackers_updated = (
+        datetime.fromtimestamp(trk_ts, ZoneInfo(config.timezone)).strftime("%Hh%M")
+        if trk_ts else None
+    )
     return {
         "width": config.width,
         "height": config.height,
@@ -77,6 +82,7 @@ async def build_context() -> dict:
         "nas": nas_status,
         "codex": codex_status,
         "trackers": tracker_stats,
+        "trackers_updated": trackers_updated,
         "kobo": kobo.current(),
         "updated": now.strftime("%H:%M"),
         "stale": False,
diff --git a/backend/templates/dashboard.html b/backend/templates/dashboard.html
index 4f42765..9048b32 100644
--- a/backend/templates/dashboard.html
+++ b/backend/templates/dashboard.html
@@ -43,6 +43,9 @@
   .label .meta { font-weight: 700; font-size: 24px; letter-spacing: 1px; text-transform: uppercase;
                  margin-left: auto; padding: 4px 12px; border: 3px solid var(--ink); }
   .label .alarm { background: var(--ink); color: var(--paper); }
+  /* Horodatage discret de fraîcheur des données (ex. trackers cachés jusqu'à 1 h). */
+  .label .stamp { margin-left: auto; font-family: "JetBrains Mono", monospace;
+                  font-weight: 500; font-size: 22px; letter-spacing: 0; }
 
   hr.div { border: 0; border-top: 4px solid var(--ink); margin: 22px 0; }
   .pane hr.div { margin: 16px 0; }
@@ -209,7 +212,8 @@
 
     {% if trackers %}
     <hr class="div">
-    <div class="label"><span class="t">Trackers</span></div>
+    <div class="label"><span class="t">Trackers</span>
+      {% if trackers_updated %}<span class="stamp">maj {{ trackers_updated }}</span>{% endif %}</div>
     <div class="rows">
       {% for t in trackers %}
       <div class="trk">