Trackers: horodatage discret de la dernière maj des données (cache 1h)

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,