feat(core): allow external menu on Eckhart `show_info()` layout

diff --git a/core/embed/rust/src/ui/api/firmware_micropython.rs b/core/embed/rust/src/ui/api/firmware_micropython.rs
index 74870643..dd6db480 100644
--- a/core/embed/rust/src/ui/api/firmware_micropython.rs
+++ b/core/embed/rust/src/ui/api/firmware_micropython.rs
@@ -1081,8 +1081,9 @@ extern "C" fn new_show_info(n_args: usize, args: *const Obj, kwargs: *mut Map) -
             })
             .transpose()?;
         let time_ms: u32 = kwargs.get_or(Qstr::MP_QSTR_time_ms, 0)?.try_into()?;
+        let external_menu: bool = kwargs.get_or(Qstr::MP_QSTR_external_menu, false)?;
 
-        let obj = ModelUI::show_info(title, description, button, time_ms)?;
+        let obj = ModelUI::show_info(title, description, button, time_ms, external_menu)?;
         Ok(obj.into())
     };
     unsafe { util::try_with_args_and_kwargs(n_args, args, kwargs, block) }
@@ -2022,6 +2023,7 @@ pub static mp_module_trezorui_api: Module = obj_module! {
     ///     description: str = "",
     ///     button: tuple[str, bool] | None = None,
     ///     time_ms: int = 0,
+    ///     external_menu: bool = False,
     /// ) -> LayoutObj[UiResult]:
     ///     """Info screen."""
     Qstr::MP_QSTR_show_info => obj_fn_kw!(0, new_show_info).as_obj(),
diff --git a/core/embed/rust/src/ui/layout_bolt/ui_firmware.rs b/core/embed/rust/src/ui/layout_bolt/ui_firmware.rs
index 2cd73aaf..762e61f0 100644
--- a/core/embed/rust/src/ui/layout_bolt/ui_firmware.rs
+++ b/core/embed/rust/src/ui/layout_bolt/ui_firmware.rs
@@ -992,7 +992,11 @@ impl FirmwareUI for UIBolt {
         description: TString<'static>,
         button: Option<(TString<'static>, bool)>,
         time_ms: u32,
+        external_menu: bool, // TODO: will eventually replace the internal menu
     ) -> Result<Gc<LayoutObj>, Error> {
+        if external_menu {
+            return Err(Error::NotImplementedError);
+        }
         let button_text = match (button, time_ms) {
             // either button or timeout must be set
             (None, 0) => return Err(Error::NotImplementedError),
diff --git a/core/embed/rust/src/ui/layout_caesar/ui_firmware.rs b/core/embed/rust/src/ui/layout_caesar/ui_firmware.rs
index cca9e3cf..02178d43 100644
--- a/core/embed/rust/src/ui/layout_caesar/ui_firmware.rs
+++ b/core/embed/rust/src/ui/layout_caesar/ui_firmware.rs
@@ -1175,7 +1175,11 @@ impl FirmwareUI for UICaesar {
         description: TString<'static>,
         _button: Option<(TString<'static>, bool)>,
         time_ms: u32,
+        external_menu: bool, // TODO: will eventually replace the internal menu
     ) -> Result<Gc<LayoutObj>, Error> {
+        if external_menu {
+            return Err(Error::NotImplementedError);
+        }
         let content = Frame::new(
             title,
             Paragraphs::new([Paragraph::new(&theme::TEXT_NORMAL, description)]),
diff --git a/core/embed/rust/src/ui/layout_delizia/ui_firmware.rs b/core/embed/rust/src/ui/layout_delizia/ui_firmware.rs
index 9069f2b6..9c1bc6cb 100644
--- a/core/embed/rust/src/ui/layout_delizia/ui_firmware.rs
+++ b/core/embed/rust/src/ui/layout_delizia/ui_firmware.rs
@@ -973,7 +973,11 @@ impl FirmwareUI for UIDelizia {
         description: TString<'static>,
         _button: Option<(TString<'static>, bool)>,
         _time_ms: u32,
+        external_menu: bool, // TODO: will eventually replace the internal menu
     ) -> Result<Gc<LayoutObj>, Error> {
+        if external_menu {
+            return Err(Error::NotImplementedError);
+        }
         let content = Paragraphs::new(Paragraph::new(&theme::TEXT_MAIN_GREY_LIGHT, description));
         let obj = LayoutObj::new(SwipeUpScreen::new(
             Frame::left_aligned(title, SwipeContent::new(content)).with_swipeup_footer(None),
diff --git a/core/embed/rust/src/ui/layout_eckhart/ui_firmware.rs b/core/embed/rust/src/ui/layout_eckhart/ui_firmware.rs
index 7e331736..3daf9fe3 100644
--- a/core/embed/rust/src/ui/layout_eckhart/ui_firmware.rs
+++ b/core/embed/rust/src/ui/layout_eckhart/ui_firmware.rs
@@ -1235,6 +1235,7 @@ impl FirmwareUI for UIEckhart {
         description: TString<'static>,
         button: Option<(TString<'static>, bool)>,
         _time_ms: u32,
+        external_menu: bool, // TODO: will eventually replace the internal menu
     ) -> Result<Gc<LayoutObj>, Error> {
         let content = Paragraphs::new(Paragraph::new(&theme::TEXT_REGULAR, description))
             .with_placement(LinearPlacement::vertical());
@@ -1242,8 +1243,14 @@ impl FirmwareUI for UIEckhart {
         let button = button.map_or_else(Button::empty, |(text, enabled)| {
             Button::with_text(text).initially_enabled(enabled)
         });
+        let header = Header::new(title);
         let screen = TextScreen::new(content)
-            .with_header(Header::new(title))
+            .with_header(if external_menu {
+                header.with_menu_button()
+            } else {
+                header
+            })
+            .with_external_menu(external_menu)
             .with_action_bar(ActionBar::new_single(button));
         let obj = LayoutObj::new(screen)?;
         Ok(obj)
diff --git a/core/embed/rust/src/ui/ui_firmware.rs b/core/embed/rust/src/ui/ui_firmware.rs
index 46ecb858..3e21fcce 100644
--- a/core/embed/rust/src/ui/ui_firmware.rs
+++ b/core/embed/rust/src/ui/ui_firmware.rs
@@ -387,6 +387,7 @@ pub trait FirmwareUI {
         description: TString<'static>,
         button: Option<(TString<'static>, bool)>,
         time_ms: u32,
+        external_menu: bool, // TODO: will eventually replace the internal menu
     ) -> Result<Gc<LayoutObj>, Error>; // TODO: return LayoutMaybeTrace
 
     fn show_info_with_cancel(
diff --git a/core/mocks/generated/trezorui_api.pyi b/core/mocks/generated/trezorui_api.pyi
index 8c1d4594..954d60d0 100644
--- a/core/mocks/generated/trezorui_api.pyi
+++ b/core/mocks/generated/trezorui_api.pyi
@@ -693,6 +693,7 @@ def show_info(
     description: str = "",
     button: tuple[str, bool] | None = None,
     time_ms: int = 0,
+    external_menu: bool = False,
 ) -> LayoutObj[UiResult]:
     """Info screen."""