Pexels: select first relevant video/photo instead of random for better accuracy

modules/video_creator/services/libraries/pexels_client.py

@@ -144,12 +144,13 @@ class PexelsClient:
             long_enough_videos = [v for v in suitable_videos if v["duration"] >= duration_threshold]
             
             if long_enough_videos:
-                selected = random.choice(long_enough_videos)
+                # Select FIRST (most relevant) video instead of random
+                selected = long_enough_videos[0]
                 logger.info(f"Selected Pexels video ID {selected['id']} (duration: {selected['duration']}s) for query '{query}'")
                 return selected
             
-            # Fallback to any suitable video
-            selected = random.choice(suitable_videos)
+            # Fallback to first suitable video
+            selected = suitable_videos[0]
             logger.info(f"Selected Pexels video ID {selected['id']} (duration: {selected['duration']}s) for query '{query}' (fallback)")
             return selected
             
@@ -201,8 +202,8 @@ class PexelsClient:
                 logger.debug(f"No photos found for query: {query}")
                 return None
             
-            # Select a random photo
-            photo = random.choice(photos)
+            # Select FIRST (most relevant) photo instead of random
+            photo = photos[0]
             
             # Get URL (prefer original or large2x)
             src = photo.get("src", {})