docs(platform): document native system integrations

README.md

@@ -7,7 +7,8 @@ one consistent API on Windows and Linux.
 
 - Native open, save, folder, message, input, and color dialogs
 - Command-line flags, values, integers, and positional arguments
-- UTF-8 text clipboard access
+- UTF-8 text, file-list, and RGBA image clipboard access
+- Native desktop notifications
 - Standard application, user, temporary, and executable paths
 - Non-blocking process launch
 - Move-only dynamic library handles with automatic cleanup
@@ -16,9 +17,14 @@ one consistent API on Windows and Linux.
 - Recursive or non-recursive directory watching
 - Crash callbacks, debugger detection, debug breaks, and debug output
 - Opening paths and revealing files in the platform file manager
+- Battery status, sleep inhibition, shutdown, and restart controls
 
 Linux dialogs discover `zenity` or `kdialog` at runtime. Linux clipboard access
-discovers `wl-clipboard` or `xclip`. No GUI toolkit is linked into applications.
+discovers `wl-clipboard` or `xclip`; notifications use `notify-send`; sleep
+inhibition uses `systemd-inhibit`. No GUI toolkit is linked into applications.
+
+`Shutdown` and `Restart` request immediate system power actions and generally
+require elevated operating-system privileges.
 
 ## Build
 
@@ -52,6 +58,19 @@ if (args.Has("--verbose")) {
 const auto configPath = args.Get("--config");
 const int threads = args.GetInt("--threads", 4);
 
+izo::ShowNotification("Build complete", "iZo finished compiling");
+
+izo::ClipboardImage image{2, 1, {
+    255, 0, 0, 255,
+    0, 0, 255, 255,
+}};
+izo::SetClipboardImage(image);
+
+if (izo::PreventSleep()) {
+    // Run a render job, then release the operating-system sleep inhibitor.
+    izo::AllowSleep();
+}
+
 izo::DialogOptions options;
 options.title = "Choose an image";
 options.filters = {{"Images", {"*.png", "*.jpg"}}};