feat(v0.2): shturman-splash — Stage-0 splash (software-render → PNG)

P6.2: статичный брендовый splash-кадр (wordmark «Штурман» на тёмном),
render_splash через shturman-render; bin с --screenshot. Без чтения шины
(стартует до Power/Settings → «мгновенно»). Визуальные токены — каркас (язык v0.5).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: Alexander <akotenev2003@gmail.com>

Cargo.lock

@@ -3642,6 +3642,19 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "shturman-splash"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "png 0.17.16",
+ "shturman-common",
+ "shturman-render",
+ "slint",
+ "tempfile",
+ "tracing",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.8"

Cargo.toml

@@ -10,6 +10,7 @@ members = [
     "crates/core/shturman-settings",
     "crates/core/shturman-power",
     "crates/apps/shturman-render",
+    "crates/apps/shturman-splash",
     "crates/apps/shturman-shell",
     "crates/tools/shturman-manifest-validator",
 ]

crates/apps/shturman-splash/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "shturman-splash"
+version = "0.0.0"
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+shturman-render = { path = "../shturman-render" }
+shturman-common = { path = "../../shturman-common" }
+anyhow.workspace = true
+tracing.workspace = true
+slint.workspace = true
+
+[dev-dependencies]
+tempfile.workspace = true
+png = "0.17"

crates/apps/shturman-splash/src/lib.rs

@@ -0,0 +1,30 @@
+//! `shturman-splash` (lib) — Stage-0 splash-кадр (A05). Статичный брендовый кадр (без шины → «мгновенно»).
+//! Визуальные токены — каркас (язык design-system — гейт v0.5). Спека v0.2 §6.
+
+use std::path::Path;
+
+slint::slint! {
+    export component SplashWindow inherits Window {
+        in property <string> brand: "Штурман";
+        width: 1024px;
+        height: 600px;
+        background: #0e1014;
+        Text {
+            text: root.brand;
+            font-size: 64px;
+            color: #e8eaed;
+            horizontal-alignment: center;
+            vertical-alignment: center;
+        }
+    }
+}
+
+const W: u32 = 1024;
+const H: u32 = 600;
+
+/// Headless software-render splash-кадра в PNG (без дисплея/композитора).
+pub fn render_splash(path: &Path) -> anyhow::Result<()> {
+    shturman_render::render_to_png(|| Ok(SplashWindow::new()?), W, H, path)?;
+    tracing::info!(path = %path.display(), "splash записан (software-render)");
+    Ok(())
+}

crates/apps/shturman-splash/src/main.rs

@@ -0,0 +1,34 @@
+//! `shturman-splash` (bin) — Stage-0 splash. `--screenshot <path>` → headless PNG (VM/E2E);
+//! без аргументов — интерактив (dev/HW; в v0 VM используется только screenshot-режим).
+
+use shturman_splash::render_splash;
+use std::path::PathBuf;
+
+fn main() -> anyhow::Result<()> {
+    shturman_common::init_tracing("shturman-splash");
+    match parse_screenshot_arg() {
+        Some(path) => {
+            render_splash(&path)?;
+            println!("{}", path.display());
+        }
+        None => {
+            // интерактив придёт с живым дисплеем (v0.5); в v0 VM splash — только screenshot.
+            anyhow::bail!("ожидался --screenshot <path> (интерактивный splash — v0.5)");
+        }
+    }
+    Ok(())
+}
+
+/// Разобрать `--screenshot <path>` / `--screenshot=<path>` (без внешних зависимостей).
+fn parse_screenshot_arg() -> Option<PathBuf> {
+    let mut args = std::env::args().skip(1);
+    while let Some(a) = args.next() {
+        if a == "--screenshot" {
+            return args.next().map(PathBuf::from);
+        }
+        if let Some(p) = a.strip_prefix("--screenshot=") {
+            return Some(PathBuf::from(p));
+        }
+    }
+    None
+}

crates/apps/shturman-splash/tests/screenshot.rs

@@ -0,0 +1,29 @@
+//! Splash-кадр Stage 0: непустой брендовый PNG, тёмный фон (План 6 P6.2 / спека v0.2 §6).
+
+use shturman_splash::render_splash;
+
+#[test]
+fn renders_dark_branded_splash() {
+    let dir = tempfile::tempdir().unwrap();
+    let path = dir.path().join("splash.png");
+    render_splash(&path).expect("render_splash");
+
+    let dec = png::Decoder::new(std::fs::File::open(&path).unwrap());
+    let mut r = dec.read_info().unwrap();
+    assert_eq!((r.info().width, r.info().height), (1024, 600));
+    let mut buf = vec![0u8; r.output_buffer_size()];
+    let info = r.next_frame(&mut buf).unwrap();
+    let px = &buf[..info.buffer_size()];
+    // фон тёмный (угол) + не одноцветный (wordmark отрисован)
+    assert!(
+        px[0] < 64 && px[1] < 64 && px[2] < 64,
+        "splash фон не тёмный: {},{},{}",
+        px[0],
+        px[1],
+        px[2]
+    );
+    assert!(
+        px.iter().any(|&b| b != px[0]),
+        "splash одноцветный — wordmark не отрисован"
+    );
+}