Fix caption font paths with full system paths and better error handling

modules/video_creator/services/libraries/video_composer.py

@@ -284,9 +284,20 @@ class VideoComposer:
                 # Try caption method with fixed height to avoid NoneType error
                 # Allocating 20% of height for caption box
                 
-                # Use TheBoldFont.ttf
+                # Try local font first, then system fonts
                 font_path = Path(__file__).parent.parent.parent / "static" / "fonts" / "TheBoldFont.ttf"
-                font_name = str(font_path) if font_path.exists() else "Liberation-Sans-Bold"
+                if font_path.exists():
+                    font_name = str(font_path)
+                else:
+                    # Use DejaVu (installed in Dockerfile) - full path for Linux
+                    dejavu_path = "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf"
+                    liberation_path = "/usr/share/fonts/truetype/liberation/LiberationSans-Bold.ttf"
+                    if Path(dejavu_path).exists():
+                        font_name = dejavu_path
+                    elif Path(liberation_path).exists():
+                        font_name = liberation_path
+                    else:
+                        font_name = "DejaVu-Sans-Bold"  # Fallback name
                 
                 txt_clip = TextClip(
                     caption["text"],
@@ -302,17 +313,21 @@ class VideoComposer:
                 )
             except Exception as e:
                 logger.warning(f"TextClip caption method failed: {e}. Falling back to label method.")
-                # Fallback to label method (no wrapping, but works)
-                txt_clip = TextClip(
-                    caption["text"],
-                    fontsize=60,
-                    color="white",
-                    font=font_name,
-                    stroke_color="black",
-                    stroke_width=2,
-                    bg_color=final_bg_color,
-                    method="label"
-                )
+                try:
+                    # Fallback to label method (no wrapping, but works)
+                    txt_clip = TextClip(
+                        caption["text"],
+                        fontsize=60,
+                        color="white",
+                        font=font_name,
+                        stroke_color="black",
+                        stroke_width=2,
+                        bg_color=final_bg_color,
+                        method="label"
+                    )
+                except Exception as e2:
+                    logger.error(f"TextClip label also failed: {e2}. Skipping caption.")
+                    continue
             
             txt_clip = txt_clip.set_duration(duration)
             txt_clip = txt_clip.set_start(start_time)