Deploy main 5e572ce to prod (#198)

main's tree, with next merged on 26 October, as one commit onto prod, on sneak's order.

Model: opus-5-5
Co-authored-by: clawbot <clawbot@noreply.example.org>

script/dev

@@ -0,0 +1,13 @@
+#!/bin/sh
+# script/dev: run the frontend's Vite dev server. It proxies /api to a
+# netwatch-server running locally (see vite.config.js).
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    "$ROOT/script/yarn" dev
+}
+
+main "$@"