feat: 优先使用当前文件标签作为曲目标题，避免重名问题

app/chain/transfer.py

@@ -1084,12 +1084,10 @@ class TransferChain(ChainBase, ConfigReloadMixin, metaclass=Singleton):
         file_meta = deepcopy(saved_meta)
         file_meta.org_string = file_path.name
         if file_tags:
-            has_tag_identity = bool(
-                file_tags.artists
-                or file_tags.album
-                or file_tags.track_number
-                or file_tags.isrc
-            )
+            # 曲目标题始终优先使用当前文件自身的标签（缺失时回退为文件名），
+            # 防止整包目录继续沿用订阅/下载标题（单曲名、专辑名等）导致所有文件重名。
+            if file_tags.title:
+                file_meta.title = file_tags.title
             for field_name in (
                 "artists",
                 "album",
@@ -1104,8 +1102,6 @@ class TransferChain(ChainBase, ConfigReloadMixin, metaclass=Singleton):
             ):
                 if getattr(file_tags, field_name, None):
                     setattr(file_meta, field_name, deepcopy(getattr(file_tags, field_name)))
-            if has_tag_identity and file_tags.title:
-                file_meta.title = file_tags.title
             for field_name in (
                 "audio_format",
                 "bit_depth",

tests/test_music_transfer.py

@@ -94,6 +94,36 @@ def test_restore_music_context_from_download_history():
     assert restored_info.album == "Random Access Memories"
 
 
+def test_restore_music_context_uses_file_title_over_subscription_title(tmp_path, monkeypatch):
+    """曲目标题应优先取当前文件自身的标签/文件名，而非沿用订阅时的单曲标题。"""
+    meta, info = _music_context()
+    history = SimpleNamespace(
+        note={
+            "music": {
+                "version": 1,
+                "meta": meta.to_dict(),
+                "media": info.to_dict(),
+            }
+        }
+    )
+    # 订阅标题被识别为单曲"Get Lucky"，而实际音轨标签曲目名 不同且无身份字段
+    audio_file = tmp_path / "07.幸福.flac"
+    audio_file.write_bytes(b"fake-flac")
+
+    from app.helper.audio import AudioMetadataHelper
+
+    monkeypatch.setattr(
+        AudioMetadataHelper,
+        "read",
+        lambda path: MetaMusic(org_string=path.name, title="流浪地图"),
+    )
+
+    restored_meta, _ = TransferChain._restore_music_download_context(history, audio_file)
+
+    assert restored_meta is not None
+    assert restored_meta.title == "流浪地图"
+
+
 def test_job_manager_serializes_music_queue_models():
     """整理队列应使用音乐专属 Schema 序列化任务。"""
     meta, info = _music_context()