feat(peers): deterministic constellation identicons across peer surfaces#108
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…om dest hash Peers are pseudonymous; raw hash-prefix initials read as noise. Each peer now gets a deterministic geometric sigil: a core node orbited by 3-5 satellites joined by spokes/chords (a tiny mesh topology), with an accent hue from an 8-hue neon-on-navy palette. Node count, rotation, orbit bands, link pattern and hue all derive from FNV-1a/mulberry32 over the hash — same hash always renders the same mark, no randomness at render time. Pure spec function with a module-level cache + React.memo keeps 100+ row lists cheap (~9 SVG elements per mark). Optional online dot and container border overrides match how PeerAvatar call sites behave today.
…ows, member sheet, thread header, nearby card Seed = destHash (handle fallback) so the same peer shows the same mark on every surface. Beacons keep the radio glyph (infrastructure, not people); groups keep GroupAvatar. ThreadHeader takes destHash so the thread mark matches the drawer row even for Anonymous peers.
…te initials Same destHash seed as drawer/thread, so tapping a map node and opening the conversation shows one continuous identity. Online keeps its existing read (opacity + iface border) — no status dot at 24px. Drops AVATAR_PALETTE + nodeAvatar dead code.
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What
Every peer surface gets a recognizable identity mark: deterministic constellation identicons derived from the destination hash replace initials across peer rows, member sheets, thread headers, the nearby card, and the mesh map.
destHash.Scope
New
PeerIdenticonprimitive + migration across ThreadHeader, MeshMap, peer rows, member sheets, nearby card.Test
tsc clean · tier0 config/services clean · fake-money + lint clean. Reviewed: chord-loop indices always valid, seed always a string, no conditional hooks, deterministic; hash-prefix text preserved so identity never rests on the glyph.