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## Bug `https://meshcore.meshat.se/#/analytics`: - Unfiltered → 0 adopter rows show "unknown" (correct). - Region filter `JKG` → 14 rows show "unknown" (wrong — same nodes, all confirmed when unfiltered). Multi-byte capability is a property of the NODE, derived from its own adverts (the full pubkey is in the advert payload, no prefix collision risk). The observing region should only control which nodes appear in the analytics list — it must not change a node's cap evidence. ## Root cause `PacketStore.GetAnalyticsHashSizes(region)` only attached `result["multiByteCapability"]` when `region == ""`. Under any region filter the field was absent. The frontend (`public/analytics.js:1011`) does `data.multiByteCapability || []`, so every adopter row falls through the merge with no cap status and renders as "unknown". ## Fix Always populate `multiByteCapability`. When a region filter is active, source the global adopter hash-size set from a no-region compute pass so out-of-region observers' adverts still count as evidence. ## TDD Red commit (`0968137`): adds `cmd/server/multibyte_region_filter_test.go`, asserts that `GetAnalyticsHashSizes("JKG")` returns a populated `multiByteCapability` with Node A as `confirmed`. Fails on the assertion (field missing) before the fix. Green commit (`6616730`): always compute capability against the global advert dataset. ## Files changed - `cmd/server/store.go` — `GetAnalyticsHashSizes`: drop the `region == ""` gate, always populate `multiByteCapability`. - `cmd/server/multibyte_region_filter_test.go` — new red→green test. ## Verification ``` go test ./... -count=1 # all server tests pass (21s) ``` --------- Co-authored-by: clawbot <bot@corescope.local>