修复后端构建提交号注入

scripts/package-server-with-build-info.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$repo_root"
+
+git update-index -q --refresh
+if [[ -n "$(git status --porcelain)" ]]; then
+  echo "ERROR: Git worktree is not clean. Commit or stash changes before packaging a deployment-proof Jar." >&2
+  git status --short >&2
+  exit 1
+fi
+
+build_commit="$(git rev-parse --short HEAD 2>/dev/null || true)"
+if [[ -z "$build_commit" || "$build_commit" == "UNKNOWN" ]]; then
+  echo "ERROR: Cannot resolve current Git commit for TH_HOTEL_BUILD_COMMIT." >&2
+  exit 1
+fi
+
+echo "Packaging TH Hotel backend with TH_HOTEL_BUILD_COMMIT=$build_commit"
+cd "$repo_root/server"
+TH_HOTEL_BUILD_COMMIT="$build_commit" ./mvnw clean package "$@"
+
+build_info_file="$repo_root/server/target/classes/META-INF/build-info.properties"
+if ! grep -q "^build.commit=$build_commit$" "$build_info_file"; then
+  echo "ERROR: build-info verification failed. Expected build.commit=$build_commit in $build_info_file." >&2
+  exit 1
+fi
+
+echo "Build proof OK: build.commit=$build_commit"