fix(test): 修复test_agent_docs.py相对路径问题，Unit Tests CI从apps/api运行也能通过 (#989)

apps/worker/video_processing/subtitle_render_engine.py

@@ -25,28 +25,22 @@ from __future__ import annotations
 
 import logging
 from pathlib import Path
+from typing import Any
 
 from video_processing.path_security import PathSecurityError, is_in_allowed_dirs, safe_resolve_path
 
 from packages.domain.subtitle_style import (
     ALLOWED_SUBTITLE_EXTENSIONS,
-    DEFAULT_COLOR,
-    DEFAULT_FONT,
     DEFAULT_FONT_SIZE,
-    DEFAULT_MAX_CHARS_PER_LINE,
     DEFAULT_POSITION,
-    DEFAULT_STROKE_COLOR,
-    DEFAULT_STROKE_WIDTH,
-    POSITION_ALIASES,
-    POSITION_ALIGNMENT,
     SubtitleSegment,
     SubtitleStyle,
 )
 from packages.domain.subtitle_style import escape_ass_text as _escape_ass_text  # noqa: F401  向后兼容导出
 from packages.domain.subtitle_style import format_ass_time as _format_ass_time
-from packages.domain.subtitle_style import hex_to_ass_bgr as _hex_to_ass_bgr
-from packages.domain.subtitle_style import hex_to_ass_color as _hex_to_ass_color
-from packages.domain.subtitle_style import opacity_to_ass_alpha as _opacity_to_ass_alpha
+from packages.domain.subtitle_style import hex_to_ass_bgr as _hex_to_ass_bgr  # noqa: F401
+from packages.domain.subtitle_style import hex_to_ass_color as _hex_to_ass_color  # noqa: F401
+from packages.domain.subtitle_style import opacity_to_ass_alpha as _opacity_to_ass_alpha  # noqa: F401
 from packages.domain.subtitle_style import wrap_text as _wrap_text
 
 logger = logging.getLogger(__name__)