Add native Discord boards and availability alerts

src/lib/server/discord/config.ts

@@ -0,0 +1,30 @@
+import { discordSnowflake } from '../../discord.js';
+
+/** Credentials belong to the deployment environment and never to browser settings. */
+export function discordCredentials() {
+    return {
+        applicationId: (process.env.EC_DISCORD_APPLICATION_ID ?? '').trim(),
+        publicKey: (process.env.EC_DISCORD_PUBLIC_KEY ?? '').trim(),
+        botToken: (process.env.EC_DISCORD_BOT_TOKEN ?? '').trim()
+    };
+}
+
+export function discordCredentialStatus() {
+    const credentials = discordCredentials();
+    return {
+        applicationId: credentials.applicationId,
+        publicKeyConfigured: /^[a-fA-F0-9]{64}$/.test(credentials.publicKey),
+        botTokenConfigured: !!credentials.botToken
+    };
+}
+
+export function requireDiscordCredentials(): ReturnType<typeof discordCredentials> {
+    const credentials = discordCredentials();
+    if (
+        !discordSnowflake(credentials.applicationId) ||
+        !/^[a-fA-F0-9]{64}$/.test(credentials.publicKey) ||
+        !credentials.botToken
+    )
+        throw new Error('Configure the Discord application ID, public key and bot token first.');
+    return credentials;
+}