docs: record useSpotCommunityScore aggregation

AGENTS.md

@@ -717,7 +717,16 @@ session with **no other memory of this project**. So:
   the submit button is disabled) — a typo rarely has a photo. (2) The spot page
   shows a **Community verified / Unverified** badge computed from signals only
   *other* skaters can produce: community photos + `useSpotStatus` `reporterCount`
-  (kind 2259). The weather score was renamed **"Conditions · weather only"**
+  (kind 2259). **Community confidence aggregation (2026-10-03):**
+  `src/hooks/useSpotCommunityScore.ts` does ONE batched query for a spot's
+  engagement (photos 1063, status 2259, comments/tag-suggestions 1111, reactions
+  7, zaps 9735, collections 30003), counts **distinct accounts** (never the
+  mapper), tier-weights costly signals (zap 3, photo/status 2, rest 1) with a
+  **per-account cap of 3**, and multiplies by each actor's **web-of-trust + real
+  activity** (`useBatchTrustScores`/`useBatchActivity`) so a ring of empty
+  accounts can't inflate it. Returns `level: unverified | seen | community` +
+  breakdown; `SpotDetailPage` shows a "why" line (`2 photos · 1 zap …`). The
+  weather score was renamed **"Conditions · weather only"**
   (in `SpotDetailPage` and the `SpotMap` popup) so it can't read as spot quality.
   (3) `useNotASpotReport` = one-tap **NIP-56 (1984)** report tagged
   `not-a-skate-spot` (NIP-56 `other` reason + our `L`/`l`/`t` taxonomy), used