add fix tags

app/routers/events.py

@@ -159,7 +159,7 @@ async def search_events(
     date_event: Union[datetime, None] = None,
     start_date: Union[datetime, None] = None,
     end_date: Union[datetime, None] = None,
-    tags: Union[list[str], None] = None,
+    tags: Union[str, None] = None,
 ):
     if limit < 1 or skip < 0 or limit < skip:
         raise HTTPException(
@@ -193,7 +193,7 @@ async def search_events(
         filters.append(text_filter)
 
     if tags is not None:
-        filters.append({"tags": {"$in": tags}})
+        filters.append({"tags": {"$eq": tags}})
 
     # Combine filters
     object_search = {"$and": filters} if filters else {}