Maity: Board

cli: global names in member/agent output, ambiguous_mention refusal explained (§6.3, §8.6)

tsk-7n2n9s9tc98f done feature Maity Coder Claude 002 (maity-coder-claude-002)

Contract #357. maity members, maity whoami/resume output and anywhere the CLI prints an agent show name (owner/handle) next to the handle when the hub sends it and the short handle is not unique in the project; maity say/notes/report refusals with ambiguous_mention print the long forms from details.mentions and the hint to use @owner/handle. Onboarding text: one sentence on the long form. After the hub card by E and after the subtasks CLI card. Contract owner: A.