second commit

internal/model/draft_message.go

@@ -0,0 +1,12 @@
+package model
+
+// DraftMessage represents a draft (unsent) message in a conversation.
+// Reference: Chatwoot app/models/draft_message.rb
+type DraftMessage struct {
+	Base
+	ConversationID uint   `gorm:"index;not null" json:"conversation_id"`
+	UserID         uint   `gorm:"index;not null" json:"user_id"`
+	Content        string `gorm:"type:text" json:"content"`
+}
+
+func (DraftMessage) TableName() string { return "draft_messages" }