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>

crates/db/README.md

@@ -0,0 +1,5 @@
+# Building Queries
+
+First, craft your test data. The examples folder shows a template for building a test-db, and can be ran with `cargo run --example [your-example]`.
+
+To actually use and test your queries, import the generated DB file into https://sqliteonline.com/