feat(platform): add Discord onboarding and Velocity gate

packages/minecraft/test/discord.test.ts

@@ -0,0 +1,28 @@
+import { describe, expect, it, vi } from "vitest";
+import { updateGuildNickname } from "../src/index";
+
+describe("Discord nickname updates", () => {
+  it("updates a member in the configured guild using bot authentication", async () => {
+    const request = vi.fn<typeof fetch>().mockResolvedValue(new Response(null, { status: 204 }));
+
+    await updateGuildNickname(
+      { guildId: "123456789012345678", discordUserId: "987654321098765432", nickname: "Sam (Notch)", botToken: "secret" },
+      request,
+    );
+
+    expect(request).toHaveBeenCalledWith(
+      "https://discord.com/api/v10/guilds/123456789012345678/members/987654321098765432",
+      expect.objectContaining({ method: "PATCH", body: JSON.stringify({ nick: "Sam (Notch)" }) }),
+    );
+  });
+
+  it("reports Discord permission failures without pretending the nickname changed", async () => {
+    const request = vi.fn<typeof fetch>().mockResolvedValue(new Response("Missing Permissions", { status: 403 }));
+    await expect(
+      updateGuildNickname(
+        { guildId: "123456789012345678", discordUserId: "987654321098765432", nickname: "Sam (Notch)", botToken: "secret" },
+        request,
+      ),
+    ).rejects.toThrow("Discord nickname update failed (403)");
+  });
+});

packages/minecraft/test/minecraft.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it, vi } from "vitest";
+import { formatDiscordNickname, lookupJavaProfile } from "../src/index";
+
+describe("Java Edition profiles", () => {
+  it("returns Mojang's canonical UUID and username", async () => {
+    const request = vi.fn<typeof fetch>().mockResolvedValue(
+      new Response(JSON.stringify({ id: "069a79f444e94726a5befca90e38aaf5", name: "Notch" }), {
+        status: 200,
+        headers: { "content-type": "application/json" },
+      }),
+    );
+
+    await expect(lookupJavaProfile("notch", request)).resolves.toEqual({
+      uuid: "069a79f444e94726a5befca90e38aaf5",
+      username: "Notch",
+    });
+  });
+
+  it("returns null when Mojang does not recognize the username", async () => {
+    const request = vi.fn<typeof fetch>().mockResolvedValue(new Response(null, { status: 204 }));
+    await expect(lookupJavaProfile("UnknownPlayer", request)).resolves.toBeNull();
+  });
+
+  it("preserves the Minecraft username while fitting Discord's nickname limit", () => {
+    expect(formatDiscordNickname("Alexandria Catherine", "SixteenCharName1")).toBe(
+      "Alexandria Ca (SixteenCharName1)",
+    );
+    expect(formatDiscordNickname("Sam", "Notch")).toBe("Sam (Notch)");
+  });
+});