docs: add xml comments

Endpoint/Controllers/V1/AuthController.cs

@@ -60,6 +60,12 @@ public class AuthController(IOptionsSnapshot<Admin> user, AuthService auth, Pass
     [ApiExplorerSettings(IgnoreApi = true)]
     public void OnActionExecuted(ActionExecutedContext context) { }
 
+    /// <summary>
+    /// Handles user authentication by verifying the username/email and password, 
+    /// then generating and returning an authentication token if successful.
+    /// </summary>
+    /// <param name="request">The login request containing the username/email and password.</param>
+    /// <returns>A TokenResponse containing the access token and its expiry if successful, otherwise an Unauthorized response.</returns>
     [HttpPost("Login")]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     public async Task<ActionResult<TokenResponse>> Login([FromBody] LoginRequest request)
@@ -87,6 +93,10 @@ public class AuthController(IOptionsSnapshot<Admin> user, AuthService auth, Pass
         });
     }
 
+    /// <summary>
+    /// Refreshes the authentication token using the existing refresh token.
+    /// </summary>
+    /// <returns>A TokenResponse containing the new access token and its expiry if successful, otherwise an Unauthorized response.</returns>
     [HttpGet("ReLogin")]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     public async Task<ActionResult<TokenResponse>> ReLogin()
@@ -120,6 +130,10 @@ public class AuthController(IOptionsSnapshot<Admin> user, AuthService auth, Pass
         }
     }
 
+    /// <summary>
+    /// Logs the user out by clearing the refresh token and performing any necessary cleanup.
+    /// </summary>
+    /// <returns>An Ok response if the logout was successful.</returns>
     [HttpGet("Logout")]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     [Authorize]
@@ -133,6 +147,10 @@ public class AuthController(IOptionsSnapshot<Admin> user, AuthService auth, Pass
         return Ok();
     }
 
+    /// <summary>
+    /// Retrieves the role of the authenticated user.
+    /// </summary>
+    /// <returns>The role of the authenticated user.</returns>
     [HttpGet("GetRole")]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     [Authorize]