Install notification timer with app

README.md

@@ -90,7 +90,13 @@ make desktop-dist
 make install
 ```
 
-This installs the binary to `~/.local/bin/lazy-update-manager` and a desktop launcher to `~/.local/share/applications/lazy-update-manager.desktop`.
+This installs:
+
+- the binary to `~/.local/bin/lazy-update-manager`
+- the desktop launcher to `~/.local/share/applications/lazy-update-manager.desktop`
+- the user service and timer to `~/.config/systemd/user/`
+
+When a user systemd session is available, the timer is enabled immediately so update notifications work after install.
 
 The install target now preserves the previous binary by backing it up when it differs, so installations are safe and reversible.
 
@@ -116,11 +122,7 @@ If you prefer to test the local build without installing, run the bundled binary
 ./bin/lazy-update-manager gui
 ```
 
-## Enable Weekly Reminder
-
-```sh
-make enable-user-service
-```
+## Weekly Reminder
 
 The timer runs every two hours, but `lazy-update-manager notify` stores the last reminder timestamp in: