Approvals (pending_approval) had the identical blind spot as clarify:
blocked server-side in the hidden member session, invisible until timeout.
- syncGroupClarify mirrors pending_approval alongside pending_clarify
(clarify outranks when both appear); entries carry kind, command, the
server's choice set (once/session/always/deny, fallback once/deny), and
the runtime session id approval.respond keys on.
- The room card renders approvals as command-in-code + choice buttons
(closed set, no free text; deny tinted destructive) and routes
approval.respond via the member's own source.
- 6 new tests incl. an end-to-end blocked-on-approval drive; sabotage
run (approval mirroring disabled) fails all 4 behavioral tests.
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