refactor: update terminology from 'agent' to 'robot' for consistency

Author: Kevin

src/Status.tsx

@@ -84,17 +84,14 @@ export function Status({ id }: { id: number }) {
               )
                 .map((c) => c.id)
                 .uniq()
-                .thru(
-                  (ids) =>
-                    `${ids.length > 1 ? "agents" : "agent"} ${ids.join(", ")}`
-                )
+                .join(", ")
                 .value()}`,
         }
       : { color: colors.success, label: "Active" };
   return (
     <div className={cls}>
       <h4>
-        Agent {id}{" "}
+        Robot {id}{" "}
         <span>
           <Dot color={status.color} /> {status.label}
         </span>

src/client/state.ts

@@ -134,7 +134,7 @@ export const useAgentInfo = (i: number) => {
   const previous = usePreviousDefined(v1 || initial);
   return !v1
     ? {
-        value: { ...previous.value, state: "unknown" },
+        value: { ...previous.value!, state: "unknown" },
         isPrevious: true,
       }
     : previous;

src/leva-controls/Inputs.tsx

@@ -90,7 +90,7 @@ export function Inputs() {
           ? `Simulating (Step ${length})`
           : contents?.count
           ? `Simulate (${contents.count} ${
-              contents.count === 1 ? "agent" : "agents"
+              contents.count === 1 ? "robot" : "robots"
             })`
           : "Simulate",
       },