Pin Minecraft 26.3 and add safe Orion managed deployment support

dashboard/tests/operations.test.ts

@@ -0,0 +1,26 @@
+import { describe, it, expect } from "vitest";
+import { withServerOperation } from "../src/server/operation";
+
+describe("server operation queue", () => {
+  it("serializes destructive operations while allowing nested backups", async () => {
+    const events: string[] = [];
+    let release!: () => void;
+    const gate = new Promise<void>(resolve => { release = resolve; });
+    const first = withServerOperation(async () => {
+      events.push("restore-start");
+      await withServerOperation(async () => { events.push("nested-backup"); });
+      await gate;
+      events.push("restore-finish");
+    });
+    const second = withServerOperation(async () => { events.push("power"); });
+    await new Promise(resolve => setImmediate(resolve));
+    expect(events).toEqual(["restore-start", "nested-backup"]);
+    release();
+    await Promise.all([first, second]);
+    expect(events).toEqual(["restore-start", "nested-backup", "restore-finish", "power"]);
+  });
+  it("a failure does not poison later operations", async () => {
+    await expect(withServerOperation(async () => { throw new Error("failed"); })).rejects.toThrow("failed");
+    await expect(withServerOperation(async () => "next")).resolves.toBe("next");
+  });
+});