feat(logging): add structured server diagnostics

apps/discord-bot/src/index.ts

@@ -14,6 +14,7 @@ import {
   GatewayIntentBits,
 } from "discord.js";
 import { commandNames, requiredEnvironment } from "./config";
+import { logger } from "./logger";
 
 const token = requiredEnvironment("DISCORD_BOT_TOKEN");
 const appUrl = requiredEnvironment("APP_URL");
@@ -24,7 +25,10 @@ const authRepository = createAuthRepository(db);
 const client = new Client({ intents: [GatewayIntentBits.Guilds] });
 
 client.once(Events.ClientReady, (readyClient) => {
-  console.log(`Discord bot ready as ${readyClient.user.tag}`);
+  logger.info(
+    { event: "discord.ready", botUserId: readyClient.user.id, botUsername: readyClient.user.username },
+    "Discord bot is ready",
+  );
 });
 
 client.on(Events.InteractionCreate, async (interaction) => {
@@ -71,9 +75,17 @@ client.on(Events.InteractionCreate, async (interaction) => {
       await interaction.editReply("Please wait 30 seconds before requesting another private account link.");
       return;
     }
-    console.error("Failed to create Discord account link", error);
+    logger.error(
+      { err: error, event: "discord.magic_link_failed", command: interaction.commandName },
+      "Failed to create Discord account link",
+    );
     await interaction.editReply("I could not create an account link. Please try again shortly.");
   }
 });
 
-await client.login(token);
+try {
+  await client.login(token);
+} catch (error) {
+  logger.fatal({ err: error, event: "discord.login_failed" }, "Discord bot login failed");
+  process.exitCode = 1;
+}