simplified message model

backend/models/Message.js

@@ -23,10 +23,6 @@ const Message = sequelize.define('Message', {
       key: 'id'
     }
   },
-  subject: {
-    type: DataTypes.STRING,
-    allowNull: false
-  },
   content: {
     type: DataTypes.TEXT,
     allowNull: false
@@ -35,14 +31,6 @@ const Message = sequelize.define('Message', {
     type: DataTypes.BOOLEAN,
     defaultValue: false
   },
-  parentMessageId: {
-    type: DataTypes.UUID,
-    allowNull: true,
-    references: {
-      model: 'Messages',
-      key: 'id'
-    }
-  },
   imagePath: {
     type: DataTypes.STRING,
     allowNull: true

backend/models/index.js

@@ -27,11 +27,6 @@ User.hasMany(Message, { as: "sentMessages", foreignKey: "senderId" });
 User.hasMany(Message, { as: "receivedMessages", foreignKey: "receiverId" });
 Message.belongsTo(User, { as: "sender", foreignKey: "senderId" });
 Message.belongsTo(User, { as: "receiver", foreignKey: "receiverId" });
-Message.hasMany(Message, { as: "replies", foreignKey: "parentMessageId" });
-Message.belongsTo(Message, {
-  as: "parentMessage",
-  foreignKey: "parentMessageId",
-});
 
 // Forum associations
 User.hasMany(ForumPost, { as: "forumPosts", foreignKey: "authorId" });