Change discordId type from integer to string across frontend, backend, and API schema for consistency and proper validation.

open_api/src/main/resources/schemas/forms/appeal/appeal.yml

@@ -124,9 +124,10 @@ components:
         - email
       properties:
         discordId:
-          type: integer
-          format: int64
-          description: Discord user's unique identifier'
+          type: string
+          pattern: "^[0-9]{17,18}$"
+          minLength: 17
+          maxLength: 18
         appeal:
           type: string
           description: Appeal text explaining why the punishment should be reconsidered

open_api/src/main/resources/schemas/forms/appeal/discordAppeal.yml

@@ -11,8 +11,10 @@ getBannedUser:
         required: true
         description: The discord id of the user
         schema:
-          type: integer
-          format: int64
+          type: string
+          pattern: "^[0-9]{17,18}$"
+          minLength: 17
+          maxLength: 18
     responses:
       '200':
         description: Banned user
@@ -47,8 +49,10 @@ components:
         - avatarUrl
       properties:
         userId:
-          type: integer
-          format: int64
+          type: string
+          pattern: "^[0-9]{17,18}$"
+          minLength: 17
+          maxLength: 18
         reason:
           type: string
         name: