caption issue fix

src/video_renderer.py

@@ -41,6 +41,7 @@ class VideoRenderer:
     def __init__(self, config: Dict, data_holder: DataHolder = None):
         self.config = config
         self.data_holder = data_holder
+        self.cap_method, self.max_words_per_group = self._get_caption_style()
         self.temp_dir = Path(tempfile.mkdtemp())
         if os.getenv("TEST_AUTOMATION", "").lower() == "true":
             self.temp_dir = Path(f'{os.getenv("TEST_DATA_DIRECTORY")}/output')
@@ -630,7 +631,6 @@ class VideoRenderer:
             else:
                 fontsize = 95  # Reduced from 105
 
-            cap_method, _ = self._get_caption_style()
             text_clip = create_text_clip(
                 text,
                 duration,
@@ -639,7 +639,7 @@ class VideoRenderer:
                 start_time,
                 fontsize, 
                 word_timings,
-                **cap_method()
+                **self.cap_method()
             )
             return text_clip
             # IMPROVED: Increased font weight with thicker stroke
@@ -719,8 +719,7 @@ class VideoRenderer:
             logger.info(f"📝 Using fallback subtitles: {len(words)} words")
 
             # phrases = self._group_words_into_phrases(words, max_words=3)
-            _, max_words_per_group = self._get_caption_style()
-            phrases = group_words_by_time_and_width(script, target_width, target_height, max_words_per_group=max_words_per_group)
+            phrases = group_words_by_time_and_width(script, target_width, target_height, max_words_per_group=self.max_words_per_group)
             logger.info(f"📝 Grouped into {len(phrases)} phrases")
 
             duration_per_phrase = total_duration / len(phrases)