feat: filtre par type pour recommandations et sorties (#14)

- Parametre content_type sur /api/recommendations et /api/releases/latest
- Section anime: filtre content_type=anime sur releases
- Section series: filtre content_type=series sur recommendations et releases
- Nettoyage emojis dans titres de section

Closes #14

app/routers/router_recommendations.py

@@ -28,6 +28,7 @@ async def get_recommendations(
     request: Request,
     limit: int = 15,
     html: bool = Query(False),
+    content_type: Optional[str] = Query(None, description="Filter: 'anime', 'series', or None for all"),
     current_user: Optional[User] = Depends(get_optional_user),
 ):
     """Get personalized anime recommendations based on download history"""
@@ -45,6 +46,10 @@ async def get_recommendations(
 
     try:
         recommendations = await engine.get_personalized_recommendations(limit=limit)
+        
+        # Filter by content_type if specified
+        if content_type and content_type != "all":
+            recommendations = [r for r in recommendations if r.get("content_type", r.get("type", "")) == content_type]
 
         if html or is_htmx:
             return templates.TemplateResponse(
@@ -66,12 +71,17 @@ async def get_latest_releases(
     request: Request,
     limit: int = 20,
     html: bool = Query(False),
+    content_type: Optional[str] = Query(None, description="Filter: 'anime', 'series', or None for all"),
 ):
     """Get latest anime releases"""
     from app.recommendations import get_latest_releases_with_info
 
     try:
         releases = await get_latest_releases_with_info(limit=limit)
+        
+        # Filter by content_type if specified
+        if content_type and content_type != "all":
+            releases = [r for r in releases if r.get("content_type", r.get("type", "")) == content_type]
 
         if html or request.headers.get("HX-Request"):
             return templates.TemplateResponse(