reduce heat map bubbles to 10

package-lock.json

@@ -10503,9 +10503,9 @@
       }
     },
     "node_modules/ip-address": {
-      "version": "10.1.0",
-      "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.1.0.tgz",
-      "integrity": "sha512-XXADHxXmvT9+CRxhXg56LJovE+bmWnEWB78LB83VZTprKTmaC5QfruXocxzTZ2Kl0DNwKuBdlIhjL8LeY8Sf8Q==",
+      "version": "10.2.0",
+      "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.2.0.tgz",
+      "integrity": "sha512-/+S6j4E9AHvW9SWMSEY9Xfy66O5PWvVEJ08O0y5JGyEKQpojb0K0GKpz/v5HJ/G0vi3D2sjGK78119oXZeE0qA==",
       "license": "MIT",
       "optional": true,
       "engines": {

src/pages/primary/SpellsPage/RelayThreadHeatMap.tsx

@@ -36,7 +36,7 @@ import { useTranslation } from 'react-i18next'
 const HEAT_WINDOW_SEC = 72 * 3600
 /** REQ without `since`: many relays return nothing for kind 1+`since`; we clip by `created_at` client-side. */
 const HEAT_REQ_LIMIT = 1500
-const MAX_BUBBLES = 48
+const MAX_BUBBLES = 10
 const SESSION_HEAT_LIMIT = 2500
 /** Cap rows scanned so the heat map stays responsive on large archives. */
 const ARCHIVE_HEAT_MAX_SCAN = 30_000