First commit with progress so far

TwitchChatTTS/Hermes/Account.cs

@@ -0,0 +1,9 @@
+using System.Diagnostics.CodeAnalysis;
+
+[Serializable]
+public class Account {
+  [AllowNull]
+  public string id { get; set; }
+  [AllowNull]
+  public string username { get; set; }
+}

TwitchChatTTS/Hermes/HermesClient.cs

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+using System;
+
+public class HermesClient {
+    private Account account;
+    private string key;
+
+    public string Id { get => account?.id; }
+    public string Username { get => account?.username; }
+
+
+    public HermesClient() {
+        // Read API Key from file.
+        if (!File.Exists(".token")) {
+            throw new Exception("Ensure you have written your API key in \".token\" file, in the same folder as this application.");
+        }
+
+        key = File.ReadAllText(".token")?.Trim();
+        WebHelper.AddHeader("x-api-key", key);
+    }
+
+    public async Task UpdateHermesAccount() {
+        account = await WebHelper.GetJson<Account>("https://hermes.goblincaves.com/api/account");
+    }
+
+    public async Task<TwitchBotToken> FetchTwitchBotToken() {
+        if (string.IsNullOrWhiteSpace(key)) {
+            throw new InvalidOperationException("Hermes API key not provided.");
+        }
+
+        var token = await WebHelper.GetJson<TwitchBotToken>("https://hermes.goblincaves.com/api/token/bot");
+        if (token == null) {
+            throw new Exception("Failed to fetch Twitch API token from Hermes.");
+        }
+
+        return token;
+    }
+}

TwitchChatTTS/Hermes/TwitchBotToken.cs

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+[Serializable]
+public class TwitchBotToken {
+  public string client_id { get; set; }
+  public string client_secret { get; set; }
+  public string access_token { get; set; }
+  public string refresh_token { get; set; }
+  public string broadcaster_id { get; set; }
+}

TwitchChatTTS/Hermes/TwitchConnection.cs

@@ -0,0 +1,8 @@
+[Serializable]
+public class TwitchConnection {
+  public string id { get; set; }
+  public string secret { get; set; }
+  public string broadcasterId { get; set; }
+  public string username { get; set; }
+  public string userId { get; set; }
+}