some backend fixes and add android app

desktop/kadence_desktop/qml/Theme.qml

@@ -70,4 +70,15 @@ QtObject {
         if (kind === "long_break") return "Long break"
         return "Focus"
     }
+
+    // Mirrors the web app's humanMinutes() in lib/format.ts, so "125m" reads
+    // as "2h 5m" here too.
+    function humanMinutes(minutes) {
+        var rounded = Math.round(minutes)
+        var hours = Math.floor(rounded / 60)
+        var rest = rounded % 60
+        if (hours && rest) return hours + "h " + rest + "m"
+        if (hours) return hours + "h"
+        return rest + "m"
+    }
 }