test(import): pin the read-only source name of the configuration panel

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/import/SourceConfigPanel.test.tsx

@@ -0,0 +1,44 @@
+// SourceConfigPanel — the source name is read-only, the subfolder's (#426).
+// No jsdom: rendered to static markup with the shared marked `t`.
+import { describe, it, expect, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+
+vi.mock("react-i18next", async () => (await import("../../test/i18nMock")).i18nMock());
+
+import SourceConfigPanel from "./SourceConfigPanel";
+import { initialWizardState } from "../../hooks/useImportWizard";
+
+const noop = () => undefined;
+
+const render = () =>
+  renderToStaticMarkup(
+    <SourceConfigPanel
+      source={{ folder_name: "Desjardins", folder_path: "/releves/Desjardins", files: [] }}
+      config={{ ...initialWizardState.sourceConfig, name: "Mon compte chèques" }}
+      selectedFiles={[]}
+      headers={[]}
+      configTemplates={[]}
+      onConfigChange={noop}
+      onFileToggle={noop}
+      onSelectAllFiles={noop}
+      onAutoDetect={noop}
+      onSaveAsTemplate={noop}
+      onApplyTemplate={noop}
+      onUpdateTemplate={noop}
+      onDeleteTemplate={noop}
+      selectedTemplateId={null}
+    />,
+  );
+
+describe("SourceConfigPanel — source name (#426)", () => {
+  it("shows the subfolder name with its hint", () => {
+    const html = render();
+    expect(html).toContain("t(import.config.sourceNameHint)");
+    expect(html).toMatch(/<p[^>]*>Desjardins<\/p>/);
+  });
+
+  it("has no field holding the configured name", () => {
+    const html = render();
+    expect(html).not.toContain("Mon compte chèques");
+  });
+});