logiguard fork v2: patched GPUI on verified 8c74db0 tree

Rebuilt from the exact zed-industries/zed @ 8c74db00c4053d6c0a9037863d7bd048658da4ca
tree (previous orphan was based on a stale/wrong fetch). Same 3-file patch:
  - serial.rs: add SerialKind::KeyboardEnter
  - client.rs: store wl_keyboard.enter serial; add latest_serial_of()
  - window.rs: activate() uses keyboard-enter serial (Mutter focus gate)

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

script/build-docker

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Use a docker BASE_IMAGE to test building Zed.
+# e.g: ./script/bundle-docker ubuntu:20.04
+#
+# Increasing resources available to podman may speed this up:
+# podman machine stop
+# podman machine set --memory 16384 --cpus 8 --disk-size 200
+# podman machine start
+
+set -euo pipefail
+
+BASE_IMAGE=${BASE_IMAGE:-${1:-}}
+if [ -z "$BASE_IMAGE" ]; then
+    echo "Usage: $0 BASE_IMAGE" >&2
+    exit 1
+fi
+
+export DOCKER_BUILDKIT=1
+cd "$(dirname "$0")/.."
+
+podman build . \
+    -f Dockerfile-distros \
+    -t many \
+    --build-arg BASE_IMAGE="$BASE_IMAGE"