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>

script/drop-test-dbs

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+databases=$(psql --tuples-only --command "
+  SELECT
+    datname
+  FROM
+    pg_database
+  WHERE
+    datistemplate = false
+    AND datname like 'zed-test-%'
+")
+
+for database in $databases; do
+  echo $database
+  dropdb $database
+done