logiguard fork v3: full patch set on verified 8c74db0 tree

Includes prior-session patches (carry forward so the app compiles):
  - crates/gpui/build.rs: cross-compile manifest fix
  - crates/gpui/src/platform.rs: PlatformWindow::activate_with_token trait method
  - crates/gpui/src/window.rs: Window::activate_with_token public API
  - crates/gpui_linux/src/linux/wayland/window.rs: WaylandWindow::activate_with_token + activate() keyboard-serial fix

Plus the focus-serial fix:
  - serial.rs: SerialKind::KeyboardEnter
  - client.rs: store wl_keyboard.enter serial; latest_serial_of()

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

crates/rope/src/unclipped.rs

@@ -0,0 +1,51 @@
+use crate::ChunkSummary;
+use std::ops::{Add, AddAssign, Sub, SubAssign};
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct Unclipped<T>(pub T);
+
+impl<T> From<T> for Unclipped<T> {
+    fn from(value: T) -> Self {
+        Unclipped(value)
+    }
+}
+
+impl<'a, T: sum_tree::Dimension<'a, ChunkSummary>> sum_tree::Dimension<'a, ChunkSummary>
+    for Unclipped<T>
+{
+    fn zero(_: ()) -> Self {
+        Self(T::zero(()))
+    }
+
+    fn add_summary(&mut self, summary: &'a ChunkSummary, _: ()) {
+        self.0.add_summary(summary, ());
+    }
+}
+
+impl<T: Add<T, Output = T>> Add<Unclipped<T>> for Unclipped<T> {
+    type Output = Unclipped<T>;
+
+    fn add(self, rhs: Unclipped<T>) -> Self::Output {
+        Unclipped(self.0 + rhs.0)
+    }
+}
+
+impl<T: Sub<T, Output = T>> Sub<Unclipped<T>> for Unclipped<T> {
+    type Output = Unclipped<T>;
+
+    fn sub(self, rhs: Unclipped<T>) -> Self::Output {
+        Unclipped(self.0 - rhs.0)
+    }
+}
+
+impl<T: AddAssign<T>> AddAssign<Unclipped<T>> for Unclipped<T> {
+    fn add_assign(&mut self, rhs: Unclipped<T>) {
+        self.0 += rhs.0;
+    }
+}
+
+impl<T: SubAssign<T>> SubAssign<Unclipped<T>> for Unclipped<T> {
+    fn sub_assign(&mut self, rhs: Unclipped<T>) {
+        self.0 -= rhs.0;
+    }
+}