diff --git a/DEPLOY.md b/DEPLOY.md
index fda5336..0272c70 100644
--- a/DEPLOY.md
+++ b/DEPLOY.md
@@ -47,8 +47,8 @@ guide to switching back to the official build once the upstream fix lands.
 ./build-ytdlp.sh
 
 docker buildx build --platform linux/amd64 \
-  --build-arg VERSION=1.30 \
-  -t 192.168.2.212:3000/tigeren/metube:1.30 \
+  --build-arg VERSION=1.31 \
+  -t 192.168.2.212:3000/tigeren/metube:1.31 \
   --push .
 ```
 
diff --git a/app/main.py b/app/main.py
index 8485a25..e6b8fd7 100644
--- a/app/main.py
+++ b/app/main.py
@@ -95,6 +95,8 @@ class Config:
         self.LIBRARY_ROOTS = normalize_library_roots(roots)
         if self.LIBRARY_DIRS and not self.LIBRARY_ROOTS:
             log.warning('Library feature disabled: none of LIBRARY_DIRS exists')
+        if self.LIBRARY_ROOTS:
+            log.info('Library roots: ' + ', '.join(f'{label or "(root)"} -> {path}' for label, path in self.LIBRARY_ROOTS))
 
         if not self.URL_PREFIX.endswith('/'):
             self.URL_PREFIX += '/'
@@ -402,7 +404,10 @@ def _scan_library_folders(roots):
     exclude = re.compile(config.CUSTOM_DIRS_EXCLUDE_REGEX) if config.CUSTOM_DIRS_EXCLUDE_REGEX else None
     folders = []
     for label, root in roots:
-        for dirpath, dirnames, filenames in os.walk(root):
+        def _on_walk_error(exc):
+            log.warning(f'Library scan error under "{root}": {exc!r}')
+
+        for dirpath, dirnames, filenames in os.walk(root, onerror=_on_walk_error):
             rel = os.path.relpath(dirpath, root)
             dirnames[:] = [d for d in dirnames
                            if not (exclude and exclude.search(os.path.normpath(os.path.join(rel, d))))]
diff --git a/docker-compose.yml b/docker-compose.yml
index 5a045a8..71640f6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,14 +11,14 @@ services:
     volumes:
       - ./downloads:/downloads
       - ./metube-config:/config
-      # Media library for the organize/browse feature (change the host path to your real library)
-      - ./library:/library
+      # Media library for the organize/browse feature (change the host path to your real library)
+      - ./library:/library
       # Multiple library mounts share one Library view; each mount becomes a
       # top-level collapsible group. Uncomment to use instead of ./library:
-      # - /mnt/media-a:/media/media-a
-      # - /mnt/media-b:/media/media-b
-      # Optional: mount cookies file for authenticated downloads
-      # - ./cookies:/cookies:ro
+      - ./library/media-a:/media/media-a
+      - ./library/media-b:/media/media-b
+      # Optional: mount cookies file for authenticated downloads
+      # - ./cookies:/cookies:ro
     environment:
       # Basic configuration
       - UID=0
@@ -29,10 +29,10 @@ services:
       - DOWNLOAD_DIR=/downloads
       - STATE_DIR=/config
       - TEMP_DIR=/downloads
-      # Media library (organize/browse feature); leave empty to disable
-      - LIBRARY_DIR=/library
-      # Multi-root alternative (overrides LIBRARY_DIR, comma-separated):
-      # - LIBRARY_DIRS=/media/media-a,/media/media-b
+      # Media library (organize/browse feature); leave empty to disable
+      - LIBRARY_DIR=/library
+      # Multi-root alternative (overrides LIBRARY_DIR, comma-separated):
+      - LIBRARY_DIRS=/media/media-a,/media/media-b
       
       # Download behavior
       - DOWNLOAD_MODE=limited
@@ -117,4 +117,4 @@ services:
 #   metube-downloads:
 #     driver: local
 #   metube-cookies:
-#     driver: local
+#     driver: local
diff --git a/ui/src/app/sidebar.component.sass b/ui/src/app/sidebar.component.sass
index 02d080f..d8c53e8 100644
--- a/ui/src/app/sidebar.component.sass
+++ b/ui/src/app/sidebar.component.sass
@@ -177,12 +177,14 @@
     background: var(--bg)
     color: var(--fg)
 
-  svg
+  fa-icon
+    display: inline-block
     font-size: 11px
+    line-height: 1
     transition: transform 0.15s ease
     transform: rotate(90deg)
 
-  &.collapsed svg
+  &.collapsed fa-icon
     transform: none
 
 .lib-group-item