--- a/pnpm-lock.yaml	Tue May 23 12:34:04 2023 -0700
+++ b/pnpm-lock.yaml	Tue May 23 13:13:12 2023 -0700
@@ -6,6 +6,7 @@
   '@types/async': ^3.2.20
   '@types/d3': ^7.4.0
   '@types/debug': ^4.1.7
+  '@types/fpsmeter': ^0.3.31
   '@types/n3': ^1.10.4
   '@types/node': ^20.2.0
   '@types/reconnectingwebsocket': ^1.0.7
@@ -13,6 +14,7 @@
   async: ^3.2.4
   d3: ^7.8.4
   debug: ^4.3.4
+  fpsmeter: ^0.3.1
   knockout: ^3.5.1
   lit: ^2.7.4
   n3: ^1.16.4
@@ -30,6 +32,7 @@
   '@types/async': 3.2.20
   '@types/d3': 7.4.0
   '@types/debug': 4.1.7
+  '@types/fpsmeter': 0.3.31
   '@types/n3': 1.10.4
   '@types/node': 20.2.0
   '@types/reconnectingwebsocket': 1.0.7
@@ -37,6 +40,7 @@
   async: 3.2.4
   d3: 7.8.4
   debug: 4.3.4
+  fpsmeter: 0.3.1
   knockout: 3.5.1
   lit: 2.7.4
   n3: 1.16.4
@@ -601,6 +605,10 @@
       '@types/ms': 0.7.31
     dev: false
 
+  /@types/fpsmeter/0.3.31:
+    resolution: {integrity: sha512-LxMpVg6v6DkLjCpREAQgoO+PG6Ry3euoKqrG/tyBFBr7lRaCRT0J/GZYh/BrUOI3nIXs9ogRgTLzNKNF4JznrQ==}
+    dev: false
+
   /@types/geojson/7946.0.10:
     resolution: {integrity: sha512-Nmh0K3iWQJzniTuPRcJn5hxXkfB1T1pgB89SBig5PlJQU5yocazeu4jATJlaA0GYFKWMqDdvYemoSnF2pXgLVA==}
     dev: false
@@ -974,6 +982,10 @@
     resolution: {integrity: sha512-vlVu3N8d6yEMpMsEm+7sUBAI81aqYYuEvfK0jNqmdb/OPXzzH7QWDDnVjMvDSY47JdHEqx/dfC/q8WkfoTmpGQ==}
     dev: false
 
+  /fpsmeter/0.3.1:
+    resolution: {integrity: sha512-i3zzNJwGkA+9WWIXpAtP0TCN64eO5VkKQgirYE7ZCVqyC3NfUPszU35R044fmSCjiMqefiBs5NiGKvD7lFJ87Q==}
+    dev: false
+
   /fsevents/2.3.2:
     resolution: {integrity: sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==}
     engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}