feat: build out discord support agent

bot/prod/utils/calculateCost.js

@@ -0,0 +1,23 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+import { logger } from "./logger.js";
+/**
+ * Calculates the cost of a command run by a user, and sends to
+ * our logging service.
+ * @param usage -- The usage payload from Anthropic.
+ * @param uuid -- The Discord ID of the user who ran the command.
+ */
+export const calculateCost = async (usage, uuid) => {
+    const inputCost = usage.input_tokens * (3 / 1_000_000);
+    const outputCost = usage.output_tokens * (15 / 1_000_000);
+    const totalCost = inputCost + outputCost;
+    await logger.log("info", `User ${uuid} used the bot, which accepted ${usage.input_tokens.toString()} tokens and generated ${usage.output_tokens.toString()} tokens.
+
+    Total cost: ${totalCost.toLocaleString("en-GB", {
+        currency: "USD",
+        style: "currency",
+    })}`);
+};