Replaces the silent UNIQUE-swallow placeholder branch. Each peer
status has an explicit branch:
active/pending/unreachable: race-catch — re-fetch peer row and
enqueue via matchedPeers. Previously skipped silently, losing
real-time delivery under asymmetric failure.
awaiting_approval/needs_attention/rejected/revoked: drop with
logged reason. Mutation log still captures; sync-pull on
activation replays.
default: exhaustiveness check (no 'as never' cast) — TypeScript
enforces that every status value is handled explicitly.
Jannis Braun
57d7ca66d3