Refactor API to remove active status filtering and add song management functionality also remove the uneeded auth check in the get towers route

backend/API_DOCUMENTATION.md

@@ -50,7 +50,6 @@ Creates a new radio station and returns an owner token.
       "ownerId": "owner-uuid",
       "joinCode": "ABC123",
       "createdAt": "2025-08-01T10:00:00",
-      "active": true,
       "connectedClients": []
     },
     "ownerToken": "jwt-token-here",
@@ -63,11 +62,7 @@ Creates a new radio station and returns an owner token.
 
 Retrieves all radio stations. Requires authentication.
 
-**Endpoint:** `GET /radio-stations?activeOnly=true`
-
-**Query Parameters:**
-
-- `activeOnly` (boolean, default: false): Filter to only active stations
+**Endpoint:** `GET /radio-stations`
 
 **Response:**
 
@@ -83,7 +78,6 @@ Retrieves all radio stations. Requires authentication.
       "ownerId": "owner-uuid",
       "joinCode": "ABC123",
       "createdAt": "2025-08-01T10:00:00",
-      "active": true,
       "connectedClients": []
     }
   ]
@@ -109,7 +103,6 @@ Retrieves a specific radio station. Requires authentication.
     "ownerId": "owner-uuid",
     "joinCode": "ABC123",
     "createdAt": "2025-08-01T10:00:00",
-    "active": true,
     "connectedClients": []
   }
 }
@@ -169,8 +162,7 @@ Connects a client to a radio station using a join code. No authentication requir
       "id": "client-uuid",
       "username": "john_doe",
       "radioStationId": "station-uuid",
-      "connectedAt": "2025-08-01T10:00:00",
-      "active": true
+      "connectedAt": "2025-08-01T10:00:00"
     },
     "clientToken": "jwt-token-here",
     "message": "Successfully connected to radio station. Use this token for further requests."
@@ -211,7 +203,7 @@ curl -X POST http://localhost:8080/api/clients/connect \
 ### Getting All Stations (with authentication)
 
 ```bash
-curl -X GET "http://localhost:8080/api/radio-stations?activeOnly=true" \
+curl -X GET "http://localhost:8080/api/radio-stations" \
   -H "Authorization: Bearer {token}"
 ```