feat: add TTR simulator and calculation engine, enhance member model with TTR adjustment constant

backend/scripts/createTestUsers.js

@@ -12,7 +12,9 @@ const TEST_USERS = [
     email: 'admin@test.de',
     password: 'test123',
     role: 'admin',
-    isOwner: false
+    isOwner: false,
+    isHidden: true,
+    suppressEmails: true
   },
   {
     email: 'trainer@test.de',
@@ -75,11 +77,21 @@ async function createTestUsers() {
         user = await User.create({
           email: userData.email,
           password: userData.password,
-          isActive: true
+          isActive: true,
+          isHidden: Boolean(userData.isHidden),
+          suppressEmails: Boolean(userData.suppressEmails),
         });
         report.push('  ✓ User created');
       }
 
+      if (user.isHidden !== Boolean(userData.isHidden) || user.suppressEmails !== Boolean(userData.suppressEmails)) {
+        await user.update({
+          isHidden: Boolean(userData.isHidden),
+          suppressEmails: Boolean(userData.suppressEmails),
+        });
+        report.push('  ✓ Updated test account visibility and email settings');
+      }
+
       // Check if user is already in club
       let userClub = await UserClub.findOne({
         where: {
@@ -145,4 +157,3 @@ createTestUsers().catch(err => {
   process.exit(1);
 });
 
-

backend/scripts/runMigrations.js

@@ -1,6 +1,29 @@
 import sequelize from '../database.js';
 
 const migrations = [
+  {
+    id: '20261005_add_hidden_test_user_flags',
+    async up() {
+      const [hiddenColumns] = await sequelize.query("SHOW COLUMNS FROM `user` LIKE 'is_hidden'");
+      if (hiddenColumns.length === 0) {
+        await sequelize.query('ALTER TABLE `user` ADD COLUMN `is_hidden` TINYINT(1) NOT NULL DEFAULT 0');
+      }
+
+      const [emailSuppressionColumns] = await sequelize.query("SHOW COLUMNS FROM `user` LIKE 'suppress_emails'");
+      if (emailSuppressionColumns.length === 0) {
+        await sequelize.query('ALTER TABLE `user` ADD COLUMN `suppress_emails` TINYINT(1) NOT NULL DEFAULT 0');
+      }
+    },
+  },
+  {
+    id: '20261005_add_member_ttr_adjustment_constant',
+    async up() {
+      const [columns] = await sequelize.query("SHOW COLUMNS FROM `member` LIKE 'ttr_adjustment_constant'");
+      if (columns.length === 0) {
+        await sequelize.query('ALTER TABLE `member` ADD COLUMN `ttr_adjustment_constant` DECIMAL(6,2) NOT NULL DEFAULT 16');
+      }
+    },
+  },
   {
     id: '20260922_add_match_player_cancellations',
     async up() {