Add project files.

source/examples/HotReloadLiveDemo/watch.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+# Rebuilds hotreload_live_plugin every time LivePlugin.cpp's mtime
+# changes, so you can just edit-and-save instead of switching to a
+# terminal to rebuild by hand. Run this in one terminal; run
+# hotreload_live_demo_host (built once) in another; edit
+# Plugin/src/LivePlugin.cpp in your editor. Matches this project's
+# other scripts/*.sh conventions (see scripts/run.sh) even though it
+# lives here rather than in scripts/, since it's specific to this one
+# example rather than general project tooling.
+#
+# Usage (from anywhere):
+#   source/examples/HotReloadLiveDemo/watch.sh [build-dir]
+#
+# build-dir defaults to out/build (relative to the project root, same
+# default as scripts/build.sh); pass your own if you configured
+# somewhere else, e.g.:
+#   source/examples/HotReloadLiveDemo/watch.sh out/build-clang
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR/../../.."
+
+BUILD_DIR="${1:-out/build}"
+SOURCE_FILE="$SCRIPT_DIR/Plugin/src/LivePlugin.cpp"
+TARGET="hotreload_live_plugin"
+
+if [ ! -d "$BUILD_DIR" ]; then
+	echo "error: build directory '$BUILD_DIR' not found." >&2
+	echo "Configure it first, e.g.:" >&2
+	echo "  cmake -S . -B $BUILD_DIR -DBUILD_EXAMPLES=ON" >&2
+	exit 1
+fi
+
+file_mtime() {
+	# GNU stat (Linux) and BSD/macOS stat use incompatible flags --
+	# try one, fall back to the other.
+	stat -c %Y "$SOURCE_FILE" 2>/dev/null || stat -f %m "$SOURCE_FILE"
+}
+
+echo "Watching: $SOURCE_FILE"
+echo "Rebuilds into: $BUILD_DIR (target: $TARGET)"
+echo "Edit and save that file -- Ctrl+C here to stop watching (the running Host keeps going either way)."
+echo ""
+
+last="$(file_mtime)"
+while true; do
+	current="$(file_mtime)"
+	if [ "$current" != "$last" ]; then
+		last="$current"
+		echo "---- rebuilding ($(date '+%H:%M:%S')) ----"
+		if cmake --build "$BUILD_DIR" --target "$TARGET"; then
+			echo "---- done -- the running Host should pick this up within about a second ----"
+		else
+			echo "---- build failed -- fix the error above and save again ----"
+		fi
+		echo ""
+	fi
+	sleep 0.5
+done