move pi-mono into companion-cloud as apps/companion-os

- Copy all pi-mono source into apps/companion-os/
- Update Dockerfile to COPY pre-built binary instead of downloading from GitHub Releases
- Update deploy-staging.yml to build pi from source (bun compile) before Docker build
- Add apps/companion-os/** to path triggers
- No more cross-repo dispatch needed

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/tui/test/select-list.test.ts

@@ -0,0 +1,30 @@
+import assert from "node:assert";
+import { describe, it } from "node:test";
+import { SelectList } from "../src/components/select-list.js";
+
+const testTheme = {
+  selectedPrefix: (text: string) => text,
+  selectedText: (text: string) => text,
+  description: (text: string) => text,
+  scrollInfo: (text: string) => text,
+  noMatch: (text: string) => text,
+};
+
+describe("SelectList", () => {
+  it("normalizes multiline descriptions to single line", () => {
+    const items = [
+      {
+        value: "test",
+        label: "test",
+        description: "Line one\nLine two\nLine three",
+      },
+    ];
+
+    const list = new SelectList(items, 5, testTheme);
+    const rendered = list.render(100);
+
+    assert.ok(rendered.length > 0);
+    assert.ok(!rendered[0].includes("\n"));
+    assert.ok(rendered[0].includes("Line one Line two Line three"));
+  });
+});