Implementa o MVP do Adaptador de Planilhas no Elo Pro.

O módulo usa a identidade Supabase, isola cada workspace e registra storage, TTL, runner e biblioteca XLSX como decisões ainda abertas.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/component/ui.test.tsx

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+/**
+ * @vitest-environment jsdom
+ */
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it } from "vitest";
+import { Dialog, JourneyTrail, Select, Switch } from "@/components/ui";
+import { EmptyState, ErrorState, LoadingBlock } from "@/components/states";
+
+describe("estados e controles", () => {
+  it("mostra loading, vazio, erro e switch acessível", async () => {
+    const user = userEvent.setup();
+    let checked = false;
+    const view = render(
+      <div>
+        <LoadingBlock />
+        <EmptyState title="Nada aqui" description="Cadastre um modelo." />
+        <ErrorState message="Falha recuperável" onRetry={() => undefined} />
+        <Switch label="Permitir upload" checked={checked} onCheckedChange={(value) => { checked = value; }} />
+        <JourneyTrail steps={["Modelo", "Fontes"]} current={0} />
+        <Select aria-label="Coluna fonte">
+          <option value="">Não mapear</option>
+          <option value="Nome">Nome</option>
+        </Select>
+        <Dialog open title="Critérios" onClose={() => undefined}>Formatos XLSX e CSV.</Dialog>
+      </div>,
+    );
+    expect(screen.getByRole("status")).toBeTruthy();
+    expect(screen.getByText("Nada aqui")).toBeTruthy();
+    expect(screen.getByRole("alert")).toBeTruthy();
+    expect(screen.getByRole("switch", { name: "Permitir upload" }).getAttribute("aria-checked")).toBe("false");
+    await user.click(screen.getByRole("switch", { name: "Permitir upload" }));
+    expect(checked).toBe(true);
+    expect(screen.getByRole("dialog", { name: "Critérios" })).toBeTruthy();
+    await user.selectOptions(screen.getByRole("combobox", { name: "Coluna fonte" }), "Nome");
+    expect((screen.getByRole("combobox", { name: "Coluna fonte" }) as HTMLSelectElement).value).toBe("Nome");
+    view.unmount();
+  });
+});