feat: Bot management improvements with wallet configuration and duplicate detection

LittleShop/Controllers/BotsController.cs

@@ -54,6 +54,25 @@ public class BotsController : ControllerBase
         return Ok(bot);
     }
 
+    [HttpGet("by-platform/{platformType}/{platformUsername}")]
+    [AllowAnonymous]
+    public async Task<ActionResult<BotDto>> GetBotByPlatformUsername(int platformType, string platformUsername)
+    {
+        try
+        {
+            var bot = await _botService.GetBotByPlatformUsernameAsync(platformType, platformUsername);
+            if (bot == null)
+                return NotFound($"Bot not found for platform {platformType} with username {platformUsername}");
+
+            return Ok(bot);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to find bot by platform username {Platform}/@{Username}", platformType, platformUsername);
+            return StatusCode(500, "Internal server error");
+        }
+    }
+
     // Bot Settings
     [HttpGet("settings")]
     public async Task<ActionResult<Dictionary<string, object>>> GetBotSettings()