diff --git a/README.md b/README.md
index a78604f..40c1112 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,7 @@ Car는 차량 모뎀/게이트웨이에서 받은 상태를 수집해 DB에 저
## 구성
- `api.php`: 차량 상태/제어 API
+- `asset-version.php`: 차량 모니터 파일 묶음의 현재 hash를 내려주는 JSON 엔드포인트
- `monitor.php`: 모니터링 화면과 AJAX 응답
- `common.php`: 외부 secret 로드와 공통 DB/API 함수
- `collector_se.php`: 상태 수집 CLI/cron
@@ -63,6 +64,8 @@ Car는 차량 모뎀/게이트웨이에서 받은 상태를 수집해 DB에 저
- `sw.js`: service worker
- `assets/`: 아이콘과 정적 자산
+`asset-version.php`는 차량 모니터의 PHP/JS/CSS/manifest/icon 파일을 읽어 크기, 수정 시각, sha256 hash를 묶은 버전을 만듭니다. `assets/asset-reload.js`는 열린 모니터 화면에서 이 값을 확인하고, 달라지면 Cache Storage를 비운 뒤 현재 화면을 다시 엽니다.
+
## 데이터/저장소
- Car DB tables: 차량 상태, 로그, 차트용 기록, TCP 요청 큐
diff --git a/asset-version.php b/asset-version.php
new file mode 100644
index 0000000..39bfb70
--- /dev/null
+++ b/asset-version.php
@@ -0,0 +1,75 @@
+ ['php', 'js', 'css', 'webmanifest', 'svg', 'png', 'ico'],
+];
+
+function collect_asset_files(string $root, array $scanRoots): array
+{
+ $files = [];
+ $rootPath = realpath($root);
+ if (!$rootPath) {
+ return $files;
+ }
+
+ foreach ($scanRoots as $relativeRoot => $extensions) {
+ $base = realpath($rootPath . DIRECTORY_SEPARATOR . $relativeRoot);
+ if (!$base || strpos($base, $rootPath) !== 0) {
+ continue;
+ }
+
+ $allowed = array_fill_keys(array_map('strtolower', $extensions), true);
+ $iterator = new RecursiveIteratorIterator(
+ new RecursiveDirectoryIterator($base, FilesystemIterator::SKIP_DOTS)
+ );
+
+ foreach ($iterator as $file) {
+ if (!$file instanceof SplFileInfo || !$file->isFile()) {
+ continue;
+ }
+
+ $extension = strtolower($file->getExtension());
+ if (!isset($allowed[$extension])) {
+ continue;
+ }
+
+ $path = $file->getRealPath();
+ if ($path && strpos($path, $rootPath . DIRECTORY_SEPARATOR) === 0) {
+ $files[] = $path;
+ }
+ }
+ }
+
+ sort($files, SORT_STRING);
+ return array_values(array_unique($files));
+}
+
+clearstatcache();
+$rootPath = realpath($root);
+$fingerprints = [];
+
+foreach (collect_asset_files($root, $scanRoots) as $fullPath) {
+ $relativePath = ltrim(str_replace($rootPath ?: $root, '', $fullPath), DIRECTORY_SEPARATOR);
+ $fileHash = is_readable($fullPath) ? (hash_file('sha256', $fullPath) ?: 'hash-failed') : 'unreadable';
+ $fingerprints[] = implode('|', [
+ str_replace(DIRECTORY_SEPARATOR, '/', $relativePath),
+ (string)filesize($fullPath),
+ (string)filemtime($fullPath),
+ $fileHash,
+ ]);
+}
+
+echo json_encode([
+ 'result' => 'ok',
+ 'service' => $service,
+ 'version' => hash('sha256', implode("\n", $fingerprints)),
+ 'count' => count($fingerprints),
+ 'generatedAt' => time(),
+], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
diff --git a/assets/asset-reload.js b/assets/asset-reload.js
new file mode 100644
index 0000000..1b291bb
--- /dev/null
+++ b/assets/asset-reload.js
@@ -0,0 +1,93 @@
+(function () {
+ 'use strict';
+
+ var script = document.currentScript || (function () {
+ var scripts = document.getElementsByTagName('script');
+ return scripts[scripts.length - 1] || null;
+ })();
+ var service = script && script.dataset ? script.dataset.service : '';
+ var endpoint = script && script.dataset && script.dataset.endpoint
+ ? script.dataset.endpoint
+ : new URL('../asset-version.php', script ? script.src : window.location.href).toString();
+ var interval = script && script.dataset && script.dataset.interval ? Number(script.dataset.interval) : 30000;
+
+ if (!service || window.__assetReloadStarted) return;
+
+ window.__assetReloadStarted = true;
+ interval = Math.max(15000, Number.isFinite(interval) ? interval : 30000);
+
+ var storageKey = 'assetVersion:' + service;
+ var reloadKey = 'assetReload:' + service;
+ var running = false;
+
+ function addQuery(url, key, value) {
+ var parsed = new URL(url, window.location.href);
+ parsed.searchParams.set(key, value);
+ return parsed.toString();
+ }
+
+ function deleteCaches() {
+ if (!window.caches || !window.caches.keys) return Promise.resolve();
+
+ return window.caches.keys().then(function (keys) {
+ return Promise.all(keys.map(function (key) {
+ return window.caches.delete(key);
+ }));
+ }).catch(function () {});
+ }
+
+ function reloadWith(version) {
+ var token = version.slice(0, 12);
+ var marker = token + ':' + Math.floor(Date.now() / 10000);
+
+ if (sessionStorage.getItem(reloadKey) === marker) return;
+
+ sessionStorage.setItem(reloadKey, marker);
+ deleteCaches().then(function () {
+ window.location.replace(addQuery(window.location.href, 'assetReload', token));
+ });
+ }
+
+ function check(force) {
+ if (running || (!force && document.hidden)) return;
+
+ running = true;
+ fetch(addQuery(endpoint, '_', String(Date.now())), {
+ cache: 'no-store',
+ credentials: 'same-origin',
+ headers: {
+ 'Cache-Control': 'no-cache',
+ 'Pragma': 'no-cache'
+ }
+ }).then(function (response) {
+ if (!response.ok) throw new Error('asset version request failed');
+ return response.json();
+ }).then(function (data) {
+ if (!data || data.result !== 'ok' || !data.version) return;
+
+ var previous = localStorage.getItem(storageKey);
+ localStorage.setItem(storageKey, data.version);
+
+ if (previous && previous !== data.version) {
+ reloadWith(data.version);
+ }
+ }).catch(function () {}).finally(function () {
+ running = false;
+ });
+ }
+
+ window.addEventListener('pageshow', function () {
+ check(true);
+ });
+ window.addEventListener('focus', function () {
+ check(true);
+ });
+ document.addEventListener('visibilitychange', function () {
+ if (!document.hidden) check(true);
+ });
+
+ setInterval(function () {
+ check(false);
+ }, interval);
+ check(true);
+})();
diff --git a/monitor.php b/monitor.php
index 7c72ddd..0764f9e 100644
--- a/monitor.php
+++ b/monitor.php
@@ -1197,6 +1197,7 @@ $carMonitorSession = car_monitor_launcher_session();
+