fix(connection): resolve host from entered URL

packages/app-tests/connectionDialogUrlAutofill.test.ts

@@ -0,0 +1,15 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+
+const source = readFileSync("apps/desktop/src/components/connection/ConnectionDialog.vue", "utf8");
+
+test("connection dialog auto-resolves host from URL before test/save", () => {
+  assert.match(source, /function ensureConnectionHostResolvedFromUrl\(\): boolean/);
+  assert.match(source, /if \(!ensureConnectionHostResolvedFromUrl\(\)\) return;/);
+  assert.match(source, /return applyConnectionUrlToForm\(url\);/);
+});
+
+test("save button allows URL-only submissions when host is empty", () => {
+  assert.match(source, /&&\s*!connectionUrlInput\.trim\(\)\)/);
+});