fix(companion): validate event wait timeout options

src/companion/runtimeClient.ts

@@ -477,6 +477,9 @@ export class CompanionRuntimeClient {
       throw new Error('eventName must be a non-empty string');
     }
     const timeoutMs = options?.timeoutMs ?? this.requestTimeoutMs;
+    if (!Number.isFinite(timeoutMs) || timeoutMs <= 0) {
+      throw new Error('timeoutMs must be a positive number');
+    }
     const predicate = options?.predicate;
     const signal = options?.signal;
 
@@ -550,6 +553,9 @@ export class CompanionRuntimeClient {
     }
     const eventNameSet = new Set(eventNames);
     const timeoutMs = options?.timeoutMs ?? this.requestTimeoutMs;
+    if (!Number.isFinite(timeoutMs) || timeoutMs <= 0) {
+      throw new Error('timeoutMs must be a positive number');
+    }
     const predicate = options?.predicate;
     const signal = options?.signal;