7e0b202374
🤖 Agent: merged. Title backdrop built on a worker (fixes #896). Integration proof (main + #1079 #1081 #1082 #1083 #1085 #1086 #1087), 2026-10-21: desktop parity 103/105; the 2 others (world_reopen, save_roundtrip) need a display and pass on the Mac mini. Verify passed.