feat: OpenMesh 基础平台与 MD/PDF 转换技能

- 后端: coworker 智能体框架, WS API, 文件上传, 附件处理
- 前端: Open WebUI, 文件全量走 upload API (含 MD/TXT/JSON 等文本类)
- 技能: md-to-office (pandoc + wkhtmltopdf)
- 修复: 上传文件路径丢失, Agent 搜索浪费, 输出文件跑到 uploads/
- 打包: PyInstaller one-dir, 预打包 pandoc/wkhtmltopdf/chromium

surfaces/gui/e2e/gcal-page.spec.ts

@@ -0,0 +1,62 @@
+// The Google Calendar detail page: gmail-parity multi-account (Default badge,
+// Make default, per-account disconnect, direct one-click add — no modal).
+import { expect } from "@playwright/test";
+import { test } from "./fixtures";
+
+async function openConnectors(page) {
+  await page.goto("/");
+  await page.getByTestId("account-row").click();
+  await page.getByRole("button", { name: "Connectors", exact: true }).click();
+}
+
+async function signInAndConnectFirstAccount(page) {
+  await openConnectors(page);
+  await page.getByTestId("account-row").click();
+  await page.getByTestId("account-sign-in").click();
+  await expect(page.getByTestId("account-row")).toContainText("Rohit", { timeout: 10_000 });
+  // starts disconnected → Available row → one click (mock connects instantly)
+  await page
+    .getByTestId("connector-google_calendar")
+    .getByRole("button", { name: "Connect", exact: true })
+    .click();
+  await page.getByRole("button", { name: /Connect Google Calendar with one click/i }).click();
+  await page.keyboard.press("Escape");
+  await expect(page.getByTestId("connector-google_calendar")).toContainText("rohit@gmail.com", {
+    timeout: 10_000,
+  });
+}
+
+test("connect, then add a second account from the page; first stays default", async ({
+  page,
+}) => {
+  await signInAndConnectFirstAccount(page);
+  await page.getByTestId("connector-google_calendar").click();
+  await expect(page.getByTestId("gcal-detail")).toBeVisible();
+
+  await page.getByTestId("add-account-btn").click();
+  const rohit = page.getByTestId("gcal-account-rohit@gmail.com");
+  const work = page.getByTestId("gcal-account-work@dlai.com");
+  await expect(work).toBeVisible({ timeout: 10_000 });
+  await expect(rohit).toContainText("Default");
+  await expect(work).not.toContainText("Default");
+  // list row summarizes the multi-account state
+  await page.getByTestId("connectors-breadcrumb").click();
+  await expect(page.getByTestId("connector-google_calendar")).toContainText("2 accounts");
+});
+
+test("Make default moves the badge; disconnecting the default repoints it", async ({
+  page,
+}) => {
+  await signInAndConnectFirstAccount(page);
+  await page.getByTestId("connector-google_calendar").click();
+  await page.getByTestId("add-account-btn").click();
+  await expect(page.getByTestId("gcal-account-work@dlai.com")).toBeVisible({ timeout: 10_000 });
+
+  await page.getByTestId("gcal-make-default-work@dlai.com").click();
+  await expect(page.getByTestId("gcal-account-work@dlai.com")).toContainText("Default");
+  await expect(page.getByTestId("gcal-account-rohit@gmail.com")).not.toContainText("Default");
+
+  await page.getByTestId("gcal-disconnect-work@dlai.com").click();
+  await expect(page.getByTestId("gcal-account-work@dlai.com")).toHaveCount(0);
+  await expect(page.getByTestId("gcal-account-rohit@gmail.com")).toContainText("Default");
+});