Add Playwright assistant regression coverage

frontend/e2e/asistente.spec.ts

@@ -0,0 +1,113 @@
+import { expect, test, type Page } from "@playwright/test";
+
+test.setTimeout(150_000);
+
+async function startFreshAssistant(page: Page) {
+  await page.goto("/login");
+  await page.getByLabel("Username").fill(process.env.ADMIN_USERNAME!);
+  await page.getByLabel("Password").fill(process.env.ADMIN_PASSWORD!);
+  await page.getByRole("button", { name: /sign in/i }).click();
+  await page.waitForURL("/");
+
+  const initialConnect = page.waitForResponse((response) => {
+    if (!response.url().includes("/api/copilotkit") || response.request().method() !== "POST") {
+      return false;
+    }
+    try {
+      return JSON.parse(response.request().postData() ?? "{}").method === "agent/connect";
+    } catch {
+      return false;
+    }
+  });
+  await page.goto("/asistente");
+  await expect(page.getByRole("heading", { name: "Asistente" })).toBeVisible();
+  await (await initialConnect).finished();
+
+  const newConversation = page.getByRole("button", { name: "Nueva conversación" });
+  if (await newConversation.isEnabled()) {
+    await newConversation.click();
+    const reconnect = page.waitForResponse((response) => {
+      if (!response.url().includes("/api/copilotkit") || response.request().method() !== "POST") {
+        return false;
+      }
+      try {
+        return JSON.parse(response.request().postData() ?? "{}").method === "agent/connect";
+      } catch {
+        return false;
+      }
+    });
+    await page.getByRole("button", { name: "Borrar historial" }).click();
+    await (await reconnect).finished();
+    await expect(
+      page.getByRole("textbox", { name: "Escribe tu pregunta…" }),
+    ).toBeEnabled({ timeout: 30_000 });
+  }
+}
+
+async function ask(page: Page, question: string, expectedTool: string) {
+  // The BFF response is the exact CopilotKit stream consumed by the browser.
+  // Checking it catches server-side RUN_ERROR events even if the UI changes.
+  const stream = page.waitForResponse(
+    (response) => {
+      if (
+        !response.url().includes("/api/copilotkit") ||
+        response.request().method() !== "POST"
+      ) {
+        return false;
+      }
+      try {
+        return JSON.parse(response.request().postData() ?? "{}").method === "agent/run";
+      } catch {
+        return false;
+      }
+    },
+  );
+  const composer = page.getByRole("textbox", { name: "Escribe tu pregunta…" });
+  await expect(composer).toBeEnabled({ timeout: 30_000 });
+  await composer.fill(question);
+  const sendButton = page.getByTestId("copilot-send-button");
+  await expect(sendButton).toBeEnabled({ timeout: 30_000 });
+  await sendButton.click();
+  await expect(page.getByText(question, { exact: true }).last()).toBeVisible();
+
+  const response = await stream;
+  await response.finished();
+  const events = await response.text();
+  expect(events).not.toContain("RUN_ERROR");
+  expect(events).toContain(expectedTool);
+
+  // The HTTP stream may finish before CopilotKit has committed the tool run
+  // and released its client-side running state. Waiting for the page action
+  // avoids losing the next Enter keypress during that short interval.
+  await expect(page.getByRole("button", { name: "Nueva conversación" })).toBeEnabled({
+    timeout: 30_000,
+  });
+}
+
+test("Asistente completes Luna's read-only tool flows", async ({ page }) => {
+  const consoleErrors: string[] = [];
+  page.on("console", (message) => {
+    if (message.type() === "error") consoleErrors.push(message.text());
+  });
+
+  await startFreshAssistant(page);
+
+  await ask(page, "What date is it today?", "get_current_date");
+  await ask(page, "List my last 10 transactions.", "get_recent_transactions");
+  await ask(page, "What is my net worth?", "get_net_worth");
+  await ask(page, "How much did I spend today?", "get_daily_spending");
+  await ask(page, "Show my spending by category this month.", "render_spending_summary");
+
+  const spendingCard = page.getByTestId("spending-summary-card");
+  await expect(spendingCard).toBeVisible({ timeout: 30_000 });
+  await expect(page.getByRole("textbox", { name: "Escribe tu pregunta…" })).toBeEnabled({
+    timeout: 30_000,
+  });
+
+  await page.reload();
+  await expect(page.getByRole("heading", { name: "Asistente" })).toBeVisible();
+  await expect(page.getByText("Show my spending by category this month.", { exact: true })).toBeVisible();
+  await expect(page.getByTestId("spending-summary-card")).toBeVisible();
+
+  expect(consoleErrors.join("\n")).not.toContain("ChatClientException");
+});