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ebe90f7169
Addresses the TOFU vulnerability where peer-claimed simplex_name was accepted unverified. Adds: - contacts.simplex_name_verified_at + groups.simplex_name_verified_at (M20260606_simplex_name_verified) - APIVerifySimplexName ChatRef command: RSLV-resolves the claimed name and compares the resolved link to the peer's stored connection link; on match writes verified_at and emits CEvtSimplexNameVerified; on mismatch emits CEvtSimplexNameVerifyFailed - CEvtSimplexNameUnverified passive warning emitted on incoming XInfo / XGrpInfo when a name claim arrives without a current verification - updateContactProfileWithConflict / updateGroupProfileWithConflict clear simplex_name_verified_at whenever the peer's claim transitions (any value change including Nothing<->Just): the prior verification was bound to the prior claim. UI can surface the unverified indicator next to a contact / group's name, and prompt the user to invoke the verify command. This shifts the security model from "TOFU + last-writer-wins" to "TOFU + on-demand RSLV verification".