diff --git a/Cargo.lock b/Cargo.lock
index ec9405e..ee50f1c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3589,6 +3589,16 @@ dependencies = [
  "zbus 4.4.0",
 ]
 
+[[package]]
+name = "shturman-render"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "png 0.17.16",
+ "slint",
+ "tempfile",
+]
+
 [[package]]
 name = "shturman-sdk"
 version = "0.0.0"
@@ -3624,6 +3634,7 @@ dependencies = [
  "anyhow",
  "png 0.17.16",
  "shturman-common",
+ "shturman-render",
  "shturman-sdk",
  "slint",
  "tempfile",
diff --git a/Cargo.toml b/Cargo.toml
index 1ad6d1a..934cb86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ members = [
     "crates/core/shturman-firstboot",
     "crates/core/shturman-settings",
     "crates/core/shturman-power",
+    "crates/apps/shturman-render",
     "crates/apps/shturman-shell",
     "crates/tools/shturman-manifest-validator",
 ]
diff --git a/crates/apps/shturman-render/Cargo.toml b/crates/apps/shturman-render/Cargo.toml
new file mode 100644
index 0000000..6c74dba
--- /dev/null
+++ b/crates/apps/shturman-render/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "shturman-render"
+version = "0.0.0"
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+slint.workspace = true
+png = "0.17"
+
+[dev-dependencies]
+tempfile.workspace = true
diff --git a/crates/apps/shturman-render/src/lib.rs b/crates/apps/shturman-render/src/lib.rs
new file mode 100644
index 0000000..97f2508
--- /dev/null
+++ b/crates/apps/shturman-render/src/lib.rs
@@ -0,0 +1,68 @@
+//! Headless software-render Slint-компонента в PNG (без дисплея/композитора).
+//! Общий для shturman-shell (первый кадр) и shturman-splash (Stage 0). Спека v0.2 §4.1.
+
+use slint::platform::software_renderer::{MinimalSoftwareWindow, RepaintBufferType};
+use slint::platform::{Platform, PlatformError, WindowAdapter};
+use slint::ComponentHandle;
+use std::path::Path;
+use std::rc::Rc;
+use std::sync::Once;
+
+thread_local! {
+    static WINDOW: Rc<MinimalSoftwareWindow> =
+        MinimalSoftwareWindow::new(RepaintBufferType::ReusedBuffer);
+}
+
+struct SwPlatform;
+impl Platform for SwPlatform {
+    fn create_window_adapter(&self) -> Result<Rc<dyn WindowAdapter>, PlatformError> {
+        Ok(WINDOW.with(|w| w.clone()))
+    }
+}
+
+/// Software-platform ставится один раз на процесс (Slint — глобально). В мультитестовом процессе
+/// повтор терпим (`Once` + терпимый результат); рендер в проде зовётся раз на процесс (oneshot-сервис).
+fn ensure_platform() {
+    static ONCE: Once = Once::new();
+    ONCE.call_once(|| {
+        let _ = slint::platform::set_platform(Box::new(SwPlatform));
+    });
+}
+
+/// Построить компонент (ВНУТРИ — после `set_platform`) и отрендерить его кадр в PNG.
+/// `build` зовётся после установки software-platform (порядок обязателен для Slint).
+pub fn render_to_png<C: ComponentHandle>(
+    build: impl FnOnce() -> anyhow::Result<C>,
+    w: u32,
+    h: u32,
+    path: &Path,
+) -> anyhow::Result<()> {
+    ensure_platform();
+    let ui = build()?;
+    let window = WINDOW.with(|x| x.clone());
+    window.set_size(slint::PhysicalSize::new(w, h));
+    ui.show()?;
+    ui.window().request_redraw(); // форсим перерисовку (повторный рендер в том же потоке)
+    let mut buf = vec![slint::Rgb8Pixel { r: 0, g: 0, b: 0 }; (w * h) as usize];
+    let drawn = window.draw_if_needed(|r| {
+        r.render(buf.as_mut_slice(), w as usize);
+    });
+    ui.hide()?; // освободить окно для следующего рендера в том же потоке
+    if !drawn {
+        anyhow::bail!("software-renderer не отрисовал кадр");
+    }
+    write_png(path, w, h, &buf)
+}
+
+fn write_png(path: &Path, w: u32, h: u32, buf: &[slint::Rgb8Pixel]) -> anyhow::Result<()> {
+    let mut enc = png::Encoder::new(std::io::BufWriter::new(std::fs::File::create(path)?), w, h);
+    enc.set_color(png::ColorType::Rgb);
+    enc.set_depth(png::BitDepth::Eight);
+    let mut writer = enc.write_header()?;
+    let mut data = Vec::with_capacity((w * h * 3) as usize);
+    for px in buf {
+        data.extend_from_slice(&[px.r, px.g, px.b]);
+    }
+    writer.write_image_data(&data)?;
+    Ok(())
+}
diff --git a/crates/apps/shturman-render/tests/render.rs b/crates/apps/shturman-render/tests/render.rs
new file mode 100644
index 0000000..6e16e87
--- /dev/null
+++ b/crates/apps/shturman-render/tests/render.rs
@@ -0,0 +1,25 @@
+//! Общий headless-рендер: произвольный Slint-компонент → непустой PNG (План 6 P6.1).
+
+use shturman_render::render_to_png;
+
+slint::slint! {
+    export component Probe inherits Window {
+        width: 64px; height: 48px; background: #101418;
+        Rectangle { background: #ffffff; width: 20px; height: 20px; }
+    }
+}
+
+#[test]
+fn renders_component_to_nonempty_png() {
+    let dir = tempfile::tempdir().unwrap();
+    let path = dir.path().join("probe.png");
+    render_to_png(|| Ok(Probe::new()?), 64, 48, &path).expect("render");
+
+    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), (64, 48));
+    let mut buf = vec![0u8; r.output_buffer_size()];
+    let info = r.next_frame(&mut buf).unwrap();
+    let px = &buf[..info.buffer_size()];
+    assert!(px.iter().any(|&b| b != px[0]), "кадр одноцветный");
+}
diff --git a/crates/apps/shturman-shell/Cargo.toml b/crates/apps/shturman-shell/Cargo.toml
index a258a13..e26f6a4 100644
--- a/crates/apps/shturman-shell/Cargo.toml
+++ b/crates/apps/shturman-shell/Cargo.toml
@@ -7,12 +7,13 @@ license.workspace = true
 [dependencies]
 shturman-sdk = { path = "../../shturman-sdk" }
 shturman-common = { path = "../../shturman-common" }
+shturman-render = { path = "../shturman-render" }
 tokio.workspace = true
 anyhow.workspace = true
 tracing.workspace = true
 slint.workspace = true
-# PNG-кодек для headless software-render кадра (E2E-ассерт «кадр не пустой», спека §6).
-png = "0.17"
 
 [dev-dependencies]
 tempfile.workspace = true
+# PNG-декодер для проверки кадра в tests/screenshot.rs (рендер — в shturman-render).
+png = "0.17"
diff --git a/crates/apps/shturman-shell/src/lib.rs b/crates/apps/shturman-shell/src/lib.rs
index 793312c..ba77b55 100644
--- a/crates/apps/shturman-shell/src/lib.rs
+++ b/crates/apps/shturman-shell/src/lib.rs
@@ -6,12 +6,8 @@
 mod theme;
 
 use std::path::Path;
-use std::rc::Rc;
-use std::sync::Once;
 use std::time::{SystemTime, UNIX_EPOCH};
 
-use slint::platform::software_renderer::{MinimalSoftwareWindow, RepaintBufferType};
-use slint::platform::{Platform, PlatformError, WindowAdapter};
 use slint::ComponentHandle;
 
 slint::slint! {
@@ -167,64 +163,13 @@ pub fn run_interactive(initial: &Initial, hour: u8, clock: &str) -> anyhow::Resu
     Ok(())
 }
 
-// --- headless software-render (спека §6: основной автотест кадра, композитор не нужен) ---
-
-thread_local! {
-    static SCREENSHOT_WINDOW: Rc<MinimalSoftwareWindow> =
-        MinimalSoftwareWindow::new(RepaintBufferType::ReusedBuffer);
-}
-
-struct ScreenshotPlatform;
-impl Platform for ScreenshotPlatform {
-    fn create_window_adapter(&self) -> Result<Rc<dyn WindowAdapter>, PlatformError> {
-        Ok(SCREENSHOT_WINDOW.with(|w| w.clone()))
-    }
-}
-
-/// Установить software-platform один раз на процесс. `--screenshot` зовётся в свежем процессе
-/// первым делом; в мультитестовом процессе повтор терпим (`Once` + терпимый результат).
-fn ensure_screenshot_platform() {
-    static ONCE: Once = Once::new();
-    ONCE.call_once(|| {
-        let _ = slint::platform::set_platform(Box::new(ScreenshotPlatform));
-    });
-}
+// --- headless software-render первого кадра (спека §6) — через общий хелпер shturman-render ---
 
 /// Headless software-render первого кадра в PNG (спека §6). Без дисплей-сервера/композитора.
 /// `hour` задаёт тему для `auto` (тест — детерминированно); `clock` берётся из текущего времени.
 pub fn render_screenshot(initial: &Initial, hour: u8, path: &Path) -> anyhow::Result<()> {
-    ensure_screenshot_platform();
     let (_, clock) = utc_hh_mm();
-    let ui = build_ui(initial, hour, &clock)?;
-
-    let window = SCREENSHOT_WINDOW.with(|w| w.clone());
-    window.set_size(slint::PhysicalSize::new(FRAME_W, FRAME_H));
-    ui.show()?;
-    ui.window().request_redraw(); // форсим перерисовку (повторный рендер в том же потоке)
-
-    let mut buf = vec![slint::Rgb8Pixel { r: 0, g: 0, b: 0 }; (FRAME_W * FRAME_H) as usize];
-    let drawn = window.draw_if_needed(|renderer| {
-        renderer.render(buf.as_mut_slice(), FRAME_W as usize);
-    });
-    ui.hide()?; // освободить окно для следующего рендера в том же потоке
-    if !drawn {
-        anyhow::bail!("software-renderer не отрисовал кадр");
-    }
-    write_png(path, FRAME_W, FRAME_H, &buf)?;
+    shturman_render::render_to_png(|| build_ui(initial, hour, &clock), FRAME_W, FRAME_H, path)?;
     tracing::info!(path = %path.display(), "кадр записан (software-render)");
     Ok(())
 }
-
-fn write_png(path: &Path, w: u32, h: u32, buf: &[slint::Rgb8Pixel]) -> anyhow::Result<()> {
-    let file = std::fs::File::create(path)?;
-    let mut enc = png::Encoder::new(std::io::BufWriter::new(file), w, h);
-    enc.set_color(png::ColorType::Rgb);
-    enc.set_depth(png::BitDepth::Eight);
-    let mut writer = enc.write_header()?;
-    let mut data = Vec::with_capacity((w * h * 3) as usize);
-    for px in buf {
-        data.extend_from_slice(&[px.r, px.g, px.b]);
-    }
-    writer.write_image_data(&data)?;
-    Ok(())
-}