Implemented Active Effects.

Used AE to implement exhaustion, stimulants, and rest.

module/utils/resource-chat.js

@@ -0,0 +1,24 @@
+/**
+ * @param {object} params
+ * @param {Actor} params.actor
+ * @param {TokenDocument|null} [params.token]
+ * @param {string} params.contentKey i18n key for message body.
+ * @param {Record<string, string|number>} params.i18nData
+ * @returns {Promise<ChatMessage>}
+ */
+export async function createAgentResourceChatMessage({
+  actor,
+  token = null,
+  contentKey,
+  i18nData,
+}) {
+  return ChatMessage.create({
+    speaker: ChatMessage.getSpeaker({
+      actor,
+      token,
+      alias: actor.name,
+    }),
+    content: game.i18n.format(contentKey, i18nData),
+    messageMode: game.settings.get("core", "messageMode"),
+  });
+}