feat: flat design Sunset Glitch + download manager + settings + recommendations overhaul

- Sunset Glitch color palette applied to all templates
- Font Awesome icons throughout UI
- Download manager with parallel queue and progress tracking
- Settings page with dynamic configuration
- Recommendations router enhanced with scoring
- Local vendor libs (Alpine.js, HTMX) for offline support
- Auto test suite with screenshots
- Series releases list component
- New download model

app/downloaders/anime_sites/animesama.py

@@ -144,12 +144,34 @@ class AnimeSamaDownloader(BaseAnimeSite):
                 logger.info(f"Direct video URL detected: {url[:60]}... -> {filename}")
                 return url, filename
 
-            # Check if URL contains the anime page context (format: video_url|anime_page_url|episode_title?)
+            # Check if URL contains the anime page context (format: video_url|...|anime_page_url|episode_title)
+            # The LAST two parts are always anime_page_url and episode_title.
+            # Everything before them is video URLs (multiple sources for fallback).
             if "|" in url:
                 parts = url.split("|")
-                video_url = parts[0]
-                anime_page_url = parts[1] if len(parts) > 1 else None
-                episode_title = parts[2] if len(parts) > 2 else None
+                # Correctly identify anime_page_url (2nd to last) and episode_title (last)
+                if len(parts) >= 3:
+                    # Multiple video URLs + anime_page_url + episode_title
+                    potential_anime_url = parts[-2].strip()
+                    potential_title = parts[-1].strip()
+                    # Validate: anime_page_url should look like a URL
+                    # episode_title should NOT look like a URL
+                    if potential_title and not potential_title.startswith("http"):
+                        anime_page_url = potential_anime_url if potential_anime_url.startswith("http") else None
+                        episode_title = potential_title
+                    elif len(parts) >= 5 and parts[-2].startswith("http"):
+                        # Last part is also a URL (no episode title) - 2nd to last is anime page URL
+                        anime_page_url = potential_anime_url
+                        episode_title = None
+                    else:
+                        anime_page_url = None
+                        episode_title = None
+                    # Pass the full URL to fallback (it parses correctly)
+                    video_url = url
+                else:
+                    video_url = parts[0]
+                    anime_page_url = parts[1] if len(parts) > 1 else None
+                    episode_title = None
 
                 logger.debug(
                     f"Split URL - video: {video_url[:60]}..., anime: {anime_page_url}, episode: {episode_title}"
@@ -160,6 +182,7 @@ class AnimeSamaDownloader(BaseAnimeSite):
                     video_url,
                     anime_page_url=anime_page_url,
                     episode_title=episode_title,
+                    target_filename=target_filename,
                 )
 
             # Check if this is a third-party host URL