Add stats for kaigen

src/Managing.Domain/Bots/Bot.cs

@@ -16,6 +16,10 @@ namespace Managing.Domain.Bots
         public int Interval { get; set; }
         public BotStatus Status { get; set; }
         public User User { get; set; }
+        /// <summary>
+        /// The time when the bot was started
+        /// </summary>
+        public DateTime StartupTime { get; private set; }
         private CancellationTokenSource CancellationToken { get; set; }
 
         public Bot(string name)
@@ -26,11 +30,13 @@ namespace Managing.Domain.Bots
             CancellationToken = new CancellationTokenSource();
             ExecutionCount = 0;
             Interval = 3000;
+            StartupTime = DateTime.MinValue; // Initialize with minimum value to indicate it hasn't been started yet
         }
 
         public virtual void Start()
         {
             Status = BotStatus.Up;
+            StartupTime = DateTime.UtcNow; // Record the startup time when the bot is started
         }
 
         public async Task InitWorker(Func<Task> action)
@@ -76,6 +82,7 @@ namespace Managing.Domain.Bots
         public void Restart()
         {
             Status = BotStatus.Up;
+            StartupTime = DateTime.UtcNow; // Update the startup time when the bot is restarted
         }
 
         public string GetStatus()
@@ -87,6 +94,18 @@ namespace Managing.Domain.Bots
         {
             return Name;
         }
+        
+        /// <summary>
+        /// Gets the total runtime of the bot since it was started
+        /// </summary>
+        /// <returns>TimeSpan representing the runtime, or TimeSpan.Zero if the bot is not running</returns>
+        public TimeSpan GetRuntime()
+        {
+            if (Status != BotStatus.Up || StartupTime == DateTime.MinValue)
+                return TimeSpan.Zero;
+                
+            return DateTime.UtcNow - StartupTime;
+        }
 
         public abstract void SaveBackup();
         public abstract void LoadBackup(BotBackup backup);

src/Managing.Domain/Bots/IBot.cs

@@ -8,6 +8,11 @@
         void Restart();
         string GetStatus();
         string GetName();
+        /// <summary>
+        /// Gets the total runtime of the bot since it was started
+        /// </summary>
+        /// <returns>TimeSpan representing the runtime, or TimeSpan.Zero if the bot is not running</returns>
+        TimeSpan GetRuntime();
         void SaveBackup();
         void LoadBackup(BotBackup backup);
     }