Working model
Five embeddable tabs for the Contract Project ticket type, all driven by the Apex / APX-DIST-2026-014 demo data. Open each to preview, then wire its URL into a Halo custom tab (Type = Iframe). This index page is for preview only — don't wire it as a tab.
Tab 1
Tab 2
Tab 3
Tab 4
Tab 5
?ticket=$ticketid.