Add MineGeo gameplay systems and interface

lib/discord-cleanup-scheduler.ts

@@ -0,0 +1,38 @@
+import "server-only";
+import { randomUUID } from "node:crypto";
+import { start } from "workflow/api";
+import { admin, required } from "./supabase";
+import { discordConfiguration } from "./discord-client";
+import { cleanupClosedDiscordParty } from "./discord-cleanup-workflow";
+
+export async function scheduleDiscordCleanup(target?: string) {
+  const config = discordConfiguration(process.env);
+  if (!config.token || !config.origin) return;
+  const db = admin(),
+    claim = `starting:${randomUUID()}`;
+  const jobs = required(
+    await db.rpc("claim_discord_cleanup", {
+      p_worker: claim,
+      p_target: target ?? null,
+    }),
+  );
+  for (const job of jobs) {
+    try {
+      const run = await start(cleanupClosedDiscordParty, [job.id, claim]);
+      required(
+        await db
+          .from("discord_announcements")
+          .update({ cleanup_run_id: run.runId, cleanup_lease_until: null })
+          .eq("id", job.id)
+          .eq("cleanup_run_id", claim)
+          .select("id"),
+      );
+    } catch {
+      // An ambiguous start may already have enqueued a run. Keep the short lease;
+      // a replay keeps the persisted grace period and safely repeats deletion.
+      console.error(
+        "Discord cleanup scheduling paused; the saved announcement will retry.",
+      );
+    }
+  }
+}