Unlucky Launcher v0.2.1

Single-commit source snapshot of the v0.2.1 release.

crates/app-iced/examples/pages_demo.rs

@@ -0,0 +1,37 @@
+//! 页面骨架截图入口（M84 `PAGEFRAME` 的验收通道）。
+//!
+//! ```text
+//! cargo run -p unlucky-app-iced --example pages_demo -- \
+//!   --screen=instances --width=1180 --height=760 \
+//!   --screenshot=out.png --screenshot-theme=light --software-renderer
+//! ```
+//!
+//! 参数解析与 iced 接线都在 `unlucky_app_iced::pages::harness` 里：**本 example 只是入口**，
+//! 它也刻意不接 `cli.rs`（那边归 M75）。详细口径见 `pages::harness` 的模块文档。
+
+use std::process::ExitCode;
+
+use unlucky_app_iced::pages::harness::{self, Request};
+
+fn main() -> ExitCode {
+    let request = match Request::parse(std::env::args().skip(1)) {
+        Ok(request) => request,
+        Err(message) => {
+            eprintln!("[cli] {message}");
+            eprintln!(
+                "用法：pages_demo [--screen=instances|download|settings|logs] [--width <px>] \
+                 [--height <px>] [--theme=light|dark] [--screenshot-theme=light|dark] \
+                 [--screenshot <png>] [--renderer=auto|gpu|cpu] [--software-renderer]"
+            );
+            return ExitCode::from(2);
+        }
+    };
+
+    match harness::run(request) {
+        Ok(()) => ExitCode::SUCCESS,
+        Err(message) => {
+            eprintln!("[run] {message}");
+            ExitCode::FAILURE
+        }
+    }
+}