feat: rewrite build-ts script in shell

scripts/build-ts.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+started_at=$(date +%s%N)
+
+steps=(
+    "player:bun build ./static/player/main.ts --outdir ./dist/static/player --target browser --splitting"
+    "app:bun build ./static/app.ts --outdir ./dist/static --target browser --root ./static --entry-naming [name].js"
+)
+
+for step in "${steps[@]}"; do
+    name="${step%%:*}"
+    cmd="${step#*:}"
+    echo "building $name..."
+    if ! eval "$cmd"; then
+        echo "ts build failed at $name" >&2
+        exit 1
+    fi
+done
+
+mkdir -p ./dist/static
+cp ./node_modules/htmx.org/dist/htmx.min.js ./dist/static/htmx-lib.js
+
+total_entries=2
+elapsed_ms=$((($(date +%s%N) - started_at) / 1000000))
+echo "ts build ok ($total_entries entries, ${elapsed_ms}ms)"