fix(api+ci): DELETE 204响应体全修复 + isort/black整理 + CI环境兼容 + 测试修复 (#286)

fix(api+ci): DELETE 204响应体全修复 + isort/black整理 + CI环境兼容 + 测试修复

apps/worker/video_processing/render_audio.py

@@ -16,15 +16,15 @@ import subprocess
 from dataclasses import dataclass, field
 from pathlib import Path
 
-from video_processing.ffmpeg_utils import FFMPEG_BIN, probe_has_audio, run_ffmpeg
-
 # 延迟导入避免循环依赖：unified_render_service 定义 ResolvedClip / RenderLayer，
 # 本模块提供音频函数供 unified_render_service 调用。
 # 使用 from __future__ import annotations + TYPE_CHECKING 解决类型引用。
 from typing import TYPE_CHECKING
 
+from video_processing.ffmpeg_utils import FFMPEG_BIN, probe_has_audio, run_ffmpeg
+
 if TYPE_CHECKING:
-    from video_processing.unified_render_service import ResolvedClip, RenderLayer
+    from video_processing.unified_render_service import RenderLayer, ResolvedClip
 
 logger = logging.getLogger(__name__)