diff --git a/README.md b/README.md
index 978d096..1a66ae6 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ npm test
 npm run build
 ```
 
-The production entry is generated as `js/korean_comments_action-main.mjs`. `Util::addInitScript(Application::APP_ID, 'main')` resolves that app-prefixed asset.
+The production entry is generated as `js/korean_comments_action-main.mjs`. The listener therefore calls `Util::addInitScript(Application::APP_ID, Application::APP_ID . '-main')`; passing only `'main'` would incorrectly resolve the nonexistent `js/main.mjs`.
 
 ## Deployment commands (not run during this investigation)
 
@@ -29,6 +29,8 @@ Copy the app directory to `/data/nextcloud/app/custom_apps/korean_comments_actio
 php occ app:enable korean_comments_action
 ```
 
+The app declares the `filesystem` type so its Files event listener is registered early. When upgrading from a build that lacked this type, disable and re-enable the app once so Nextcloud refreshes the persisted app type before restarting the app container.
+
 Disable/rollback with:
 
 ```bash
diff --git a/appinfo/info.xml b/appinfo/info.xml
index a481178..3a928e9 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -5,10 +5,13 @@
   <name>Korean comments action</name>
   <summary>Adds a 댓글 action to the Files row menu</summary>
   <description>Adds a Korean-labeled file action that opens the Activity/comments sidebar.</description>
-  <version>1.0.0</version>
+  <version>1.0.1</version>
   <licence>agpl</licence>
   <author>Hera (헤라)</author>
   <namespace>KoreanCommentsAction</namespace>
+  <types>
+    <filesystem/>
+  </types>
   <category>files</category>
   <dependencies>
     <nextcloud min-version="34" max-version="34"/>
diff --git a/js/korean_comments_action-main.mjs.license b/js/korean_comments_action-main.mjs.license
index 09949cf..f1ac367 100644
--- a/js/korean_comments_action-main.mjs.license
+++ b/js/korean_comments_action-main.mjs.license
@@ -138,7 +138,7 @@ This file is generated from multiple sources. Included packages:
 	- version: 1.1.15
 	- license: MIT
 - korean-comments-action
-	- version: 1.0.0
+	- version: 1.0.1
 	- license: undefined
 - math-intrinsics
 	- version: 1.1.0
diff --git a/lib/Listener/LoadFilesScript.php b/lib/Listener/LoadFilesScript.php
index 5d999be..d1c2b18 100644
--- a/lib/Listener/LoadFilesScript.php
+++ b/lib/Listener/LoadFilesScript.php
@@ -17,6 +17,6 @@ final class LoadFilesScript implements IEventListener {
 			return;
 		}
 
-		Util::addInitScript(Application::APP_ID, 'main');
+		Util::addInitScript(Application::APP_ID, Application::APP_ID . '-main');
 	}
 }
diff --git a/package-lock.json b/package-lock.json
index 2a1d75d..ecf1452 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "korean-comments-action",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "korean-comments-action",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "dependencies": {
         "@nextcloud/files": "4.0.0",
         "@nextcloud/initial-state": "3.0.0"
diff --git a/package.json b/package.json
index 3f89fd6..72081f8 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,12 @@
 {
   "name": "korean-comments-action",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "private": true,
   "type": "module",
   "scripts": {
     "build": "vite build",
     "typecheck": "tsc --noEmit",
-    "test": "vitest run"
+    "test": "python3 tests/check_php_asset.py && vitest run"
   },
   "dependencies": {
     "@nextcloud/files": "4.0.0",
diff --git a/tests/check_php_asset.py b/tests/check_php_asset.py
new file mode 100644
index 0000000..cd17b5d
--- /dev/null
+++ b/tests/check_php_asset.py
@@ -0,0 +1,10 @@
+from pathlib import Path
+
+root = Path(__file__).resolve().parents[1]
+listener = (root / "lib/Listener/LoadFilesScript.php").read_text()
+expected_call = "Util::addInitScript(Application::APP_ID, Application::APP_ID . '-main');"
+
+assert expected_call in listener, "listener must load the exact app-prefixed Vite asset"
+assert (root / "js/korean_comments_action-main.mjs").is_file(), "built module is missing"
+
+print("php asset link ok")