Affiche la batterie de la Kobo (push via params /image.png) en pied de page

backend/app.py

@@ -14,6 +14,7 @@ from fastapi.responses import HTMLResponse
 
 import render
 from config import config
+from integrations import kobo
 
 app = FastAPI(title="Monitorink", docs_url=None, redoc_url=None)
 
@@ -26,7 +27,9 @@ async def health() -> dict:
 
 
 @app.get("/image.png")
-async def image(fresh: int = 0) -> Response:
+async def image(fresh: int = 0, bat: int | None = None, chg: int = 0) -> Response:
+    # La Kobo pousse sa batterie ici (bat=0-100, chg=1 si en charge) à chaque fetch.
+    kobo.record(bat, bool(chg))
     now = time.time()
     cached = _cache["png"]
     age = now - float(_cache["ts"])