feat(TcBackendStreamData): 新增 Webrtc 類別及屬性

- 在 `TcBackendStreamData.cs` 中，新增了 `Webrtc` 類別及其屬性，並將 `Source` 和 `Mobilesource` 的類型從可為空的布林值 (`bool?`) 改為非空的布林值 (`bool`)。此外，移除了 `Streams` 類別中的 `Mobilesource` 屬性，提升資料結構的清晰度。

- 在 `TwitcastingClient.cs` 中，修改了日誌記錄的錯誤訊息，將 `GetBackendStreamDataAsync` 改為 `GetNewStreamDataAsync`，以反映方法名稱的變更，增強代碼的可讀性和維護性。

Author: konnokai

Discord Stream Notify Bot/HttpClients/TwitCasting/TcBackendStreamData.cs

@@ -13,6 +13,9 @@ public class TcBackendStreamData
 
         [JsonProperty("llfmp4")]
         public Llfmp4 Llfmp4 { get; set; }
+
+        [JsonProperty("webrtc")]
+        public Webrtc Webrtc { get; set; }
     }
 
     public class Fmp4
@@ -24,10 +27,10 @@ public class Fmp4
         public string Proto { get; set; }
 
         [JsonProperty("source")]
-        public bool? Source { get; set; }
+        public bool Source { get; set; }
 
         [JsonProperty("mobilesource")]
-        public bool? Mobilesource { get; set; }
+        public bool Mobilesource { get; set; }
     }
 
     public class Hls
@@ -39,7 +42,7 @@ public class Hls
         public string Proto { get; set; }
 
         [JsonProperty("source")]
-        public bool? Source { get; set; }
+        public bool Source { get; set; }
     }
 
     public class Llfmp4
@@ -62,10 +65,25 @@ public class Streams
         [JsonProperty("main")]
         public string Main { get; set; }
 
-        [JsonProperty("mobilesource")]
-        public string Mobilesource { get; set; }
-
         [JsonProperty("base")]
         public string Base { get; set; }
     }
+
+    public class Webrtc
+    {
+        [JsonProperty("streams")]
+        public Streams Streams { get; set; }
+
+        [JsonProperty("app")]
+        public App App { get; set; }
+    }
+
+    public class App
+    {
+        [JsonProperty("mode")]
+        public string Mode { get; set; }
+
+        [JsonProperty("url")]
+        public string Url { get; set; }
+    }
 }

Discord Stream Notify Bot/HttpClients/TwitCasting/TwitcastingClient.cs

@@ -70,7 +70,7 @@ public TwitcastingClient(HttpClient httpClient, BotConfig botConfig)
             }
             catch (Exception ex)
             {
-                Log.Error($"TwitCastingClient.GetBackendStreamDataAsync: {ex}");
+                Log.Error($"TwitCastingClient.GetNewStreamDataAsync: {ex}");
                 return null;
             }
         }