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>

docs/theme/page-toc.css

@@ -0,0 +1,79 @@
+.pagetoc {
+  box-sizing: border-box;
+  position: sticky;
+  top: 50px;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding: 16px 0 120px 0;
+  width: 200px;
+  max-height: calc(100svh - 50px);
+  overflow-x: hidden;
+}
+.pagetoc > :last-child {
+  margin-bottom: 16px;
+}
+.pagetoc a {
+  width: fit-content;
+  font-size: 1.4rem;
+  color: var(--fg) !important;
+  display: inline-block;
+  padding: 2px 0;
+  text-align: left;
+  text-decoration: underline;
+  text-decoration-color: var(--toc-link-underline);
+}
+.pagetoc a:hover {
+  text-decoration-color: var(--toc-link-underline-hover);
+}
+.pagetoc a.active {
+  background-color: var(--sidebar-active-bg);
+  color: var(--sidebar-active) !important;
+  text-decoration-color: hsl(219, 93%, 42%, 0.1);
+}
+.pagetoc a.active:hover {
+  text-decoration-color: hsl(219, 93%, 42%, 0.8);
+}
+.pagetoc .active {
+  background: var(--sidebar-bg);
+  color: var(--sidebar-fg);
+}
+.pagetoc .pagetoc-H1 {
+  display: none;
+}
+.pagetoc .pagetoc-H3 {
+  margin-left: 2ch;
+}
+.pagetoc .pagetoc-H4 {
+  margin-left: 4ch;
+}
+.pagetoc .pagetoc-H5 {
+  display: none;
+}
+.pagetoc .pagetoc-H6 {
+  display: none;
+}
+.toc-title {
+  margin: 0;
+  margin-bottom: 6px;
+  font-size: 1.4rem;
+  color: var(--full-contrast);
+}
+
+.toc-container {
+  visibility: hidden;
+}
+
+.toc-container.has-toc {
+  visibility: visible;
+}
+
+.toc-container.no-toc {
+  display: none;
+}
+
+@media only screen and (max-width: 1200px) {
+  .toc-container {
+    display: none;
+  }
+}