added and updated models

specs/models/ticket/ticket_comment.v

@@ -0,0 +1,14 @@
+module ticket
+
+import base
+import freeflowuniverse.herolib.data.ourtime
+
+// TicketComment represents a comment on a support ticket
+pub struct TicketComment {
+	base.Base // Provides id u32, creation_time, mod_time, comments []u32
+pub mut:
+	ticket_id           u32    // Reference to Ticket.id
+	user_id             u32    // Reference to User.id (author of the comment)
+	content             string
+	is_support_response bool   // True if the comment is from a support agent
+}