Why: plugins and the host need one shared avatar primitive (user decision 2026-09-30).
Evidence: go test green with regenerated golden (single + stacked); omitempty keeps wire samples stable.
Impact: additive optional UINode field + type; renderers in the ui repo.
Why: plugins and the host need one shared avatar primitive (user decision 2026-09-30).
Evidence: go test green with regenerated golden (single + stacked); omitempty keeps wire samples stable.
Impact: additive optional UINode field + type; renderers in the ui repo.
Why: plugins and the host need one shared avatar primitive for member/
owner displays in cards, messages, and admin surfaces (user decision
2026-09-30: avatars, cards, settings become base capabilities plugins
reuse directly).
Evidence: go test green with regenerated golden (single avatar with
sub/tone plus a stacked group); omitempty keeps existing wire samples
byte-stable.
Impact: additive optional UINode field + type; unknown-type consumers
ignore it (forward compat). Renderers gain 'avatar' via the ui repo.
Refs: Agent-System-Documents proposal 2026-09-30-ui-redesign-and-auth.md
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Why: plugins and the host need one shared avatar primitive (user decision 2026-09-30).
Evidence: go test green with regenerated golden (single + stacked); omitempty keeps wire samples stable.
Impact: additive optional UINode field + type; renderers in the ui repo.
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