alldebrid plugin optimization and mpv playlist fix

Provider/alldebrid.py

@@ -1248,11 +1248,15 @@ class AllDebrid(TableProviderMixin, Provider):
             log(f"AllDebrid magnet {magnet_id} has no downloadable files", file=sys.stderr)
             return 0
 
-        try:
-            if progress is not None and hasattr(progress, "begin_steps"):
-                progress.begin_steps(total_files)
-        except Exception:
-            pass
+        magnet_path_metadata: Dict[str, Any] = {}
+        magnet_folder_name = str(
+            magnet_files.get("filename")
+            or magnet_files.get("name")
+            or magnet_files.get("hash")
+            or f"magnet-{magnet_id}"
+        ).strip()
+        if magnet_folder_name:
+            magnet_path_metadata["folder"] = magnet_folder_name
 
         downloaded = 0
         for file_idx, node in enumerate(file_entries, 1):
@@ -1261,8 +1265,10 @@ class AllDebrid(TableProviderMixin, Provider):
             relpath = str(node.get("_relpath") or file_name or "").strip()
 
             try:
-                if progress is not None and hasattr(progress, "step"):
-                    progress.step(f"file {file_idx}/{total_files}: {relpath or file_name or 'download'}")
+                if progress is not None and hasattr(progress, "set_status"):
+                    progress.set_status(
+                        f"downloading file {file_idx}/{total_files}: {relpath or file_name or 'download'}"
+                    )
             except Exception:
                 pass
             
@@ -1282,21 +1288,23 @@ class AllDebrid(TableProviderMixin, Provider):
                 except Exception as exc:
                     debug(f"[alldebrid] unlock_link failed: {exc}, trying locked URL")
 
-            target_path = output_dir
             rel_path_obj = Path(relpath)
-            if rel_path_obj.parent:
-                target_path = output_dir / rel_path_obj.parent
-            try:
-                target_path.mkdir(parents=True, exist_ok=True)
-            except Exception:
-                target_path = output_dir
+            target_path = adjust_output_dir_for_alldebrid(
+                output_dir,
+                {**magnet_path_metadata, "relpath": relpath},
+                magnet_files,
+            )
+
+            suggested_name = sanitize_filename(rel_path_obj.name) or sanitize_filename(file_name)
+            if not suggested_name:
+                suggested_name = rel_path_obj.name or file_name or f"file-{file_idx}"
 
             try:
                 result_obj = _download_direct_file(
                     file_url,
                     target_path,
                     quiet=quiet_mode,
-                    suggested_filename=rel_path_obj.name,
+                    suggested_filename=suggested_name,
                     pipeline_progress=progress,
                 )
             except Exception as exc:
@@ -1315,6 +1323,12 @@ class AllDebrid(TableProviderMixin, Provider):
         if downloaded == 0:
             log(f"AllDebrid magnet {magnet_id} produced no downloads", file=sys.stderr)
 
+        try:
+            if progress is not None and hasattr(progress, "clear_status"):
+                progress.clear_status()
+        except Exception:
+            pass
+
         return downloaded
 
     def search(