From 35bacaaa09f2534e68a1f8c7f49ac6138e67513b Mon Sep 17 00:00:00 2001
From: Codex Microtask Operator <codex-microtask@example.com>
Date: Sat, 13 Jun 2026 01:25:34 +0200
Subject: [PATCH] Handle empty arcade game lists

---
 packages/tui/src/arcade/registry.test.ts | 8 ++++++++
 packages/tui/src/arcade/registry.ts      | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 packages/tui/src/arcade/registry.test.ts

diff --git a/packages/tui/src/arcade/registry.test.ts b/packages/tui/src/arcade/registry.test.ts
new file mode 100644
index 0000000..6d04d59
--- /dev/null
+++ b/packages/tui/src/arcade/registry.test.ts
@@ -0,0 +1,8 @@
+import { describe, expect, it } from "vitest";
+import { ArcadeRegistry, renderArcadeList } from "./registry.js";
+
+describe("arcade registry", () => {
+  it("renders an empty arcade list without throwing", () => {
+    expect(renderArcadeList(new ArcadeRegistry())).toContain("No games registered");
+  });
+});
diff --git a/packages/tui/src/arcade/registry.ts b/packages/tui/src/arcade/registry.ts
index d178d41..58bb79a 100644
--- a/packages/tui/src/arcade/registry.ts
+++ b/packages/tui/src/arcade/registry.ts
@@ -70,6 +70,6 @@ export function renderArcadeList(registry = createDefaultArcadeRegistry()) {
     "",
     `${"id".padEnd(idWidth)}  ${"title".padEnd(titleWidth)}  description`,
     `${"-".repeat(idWidth)}  ${"-".repeat(titleWidth)}  ${"-".repeat(40)}`,
-    ...rows.map((row) => `${row.id.padEnd(idWidth)}  ${row.title.padEnd(titleWidth)}  ${row.description}`)
+    ...(rows.length ? rows.map((row) => `${row.id.padEnd(idWidth)}  ${row.title.padEnd(titleWidth)}  ${row.description}`) : ["No games registered"])
   ].join("\n");
 }