Add dev restart script

README.md

@@ -31,6 +31,12 @@ Run the daemon:
 ./build/amduatd --root .amduat-asl --sock amduatd.sock
 ```
 
+Dev loop (build + restart):
+
+```sh
+./scripts/dev-restart.sh
+```
+
 Query store meta:
 
 ```sh

scripts/dev-restart.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+set -eu
+
+ROOT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+BUILD_DIR="$ROOT_DIR/build"
+SOCK_PATH=${AMDUATD_SOCK:-"$ROOT_DIR/amduatd.sock"}
+STORE_ROOT=${AMDUATD_ROOT:-"$ROOT_DIR/.amduat-asl"}
+
+if [ ! -d "$BUILD_DIR" ]; then
+  cmake -S "$ROOT_DIR" -B "$BUILD_DIR"
+fi
+
+cmake --build "$BUILD_DIR" -j
+
+if [ -S "$SOCK_PATH" ]; then
+  pid=
+  if command -v lsof >/dev/null 2>&1; then
+    pid=$(lsof -t -- "$SOCK_PATH" 2>/dev/null | head -n 1 || true)
+  elif command -v fuser >/dev/null 2>&1; then
+    pid=$(fuser "$SOCK_PATH" 2>/dev/null | awk '{print $1}' | head -n 1 || true)
+  fi
+
+  if [ -n "${pid:-}" ]; then
+    kill "$pid" 2>/dev/null || true
+    i=0
+    while [ $i -lt 30 ] && kill -0 "$pid" 2>/dev/null; do
+      i=$((i + 1))
+      sleep 0.1
+    done
+  fi
+
+  rm -f "$SOCK_PATH"
+fi
+
+exec "$BUILD_DIR/amduatd" --root "$STORE_ROOT" --sock "$SOCK_PATH"
+