Refine remote config and path browsing

http_handler.py

@@ -133,10 +133,12 @@ def browse_filesystem(path_value="", mode="dir", allowed_roots=None):
     parent_path = str(resolved.parent if resolved.parent != resolved else resolved)
     if allowed_roots and not path_is_within_roots(parent_path, allowed_roots):
         parent_path = str(resolved)
+    root_paths = [str(Path(root)) for root in (allowed_roots or [])]
     return {
         "path": str(resolved),
         "parent_path": parent_path,
         "home_path": str(allowed_roots[0] if allowed_roots else Path.home()),
+        "root_paths": root_paths,
         "mode": browse_mode,
         "entries": entries,
     }
@@ -731,7 +733,10 @@ class Handler(BaseHTTPRequestHandler):
 
     def update_config(self, payload):
         payload = Handler.require_json_object(self, payload)
-        config = normalize_config(payload)
+        current = Handler._context(self).get_config_snapshot()
+        merged = dict(current)
+        merged.update(payload)
+        config = normalize_config(merged)
         for key, label in (
             ("download_dir", "download directory"),
             ("jellyfin_tv_dir", "Jellyfin TV directory"),