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/automations.spec.ts

@@ -0,0 +1,32 @@
+import { test, expect } from "./fixtures";
+
+// Automation runs open as live sessions — which used to look like any other chat with no way
+// back (owner report, 2026-07-04). Guards: the run-session banner (task title + automation
+// context) and "← Back to runs" returning to the task's detail page.
+test("scheduled run session shows the run banner; Back returns to the task detail", async ({
+  page,
+}) => {
+  await page.goto("/");
+  await page.getByTestId("nav-automations").click();
+
+  // Task list → detail (runs list).
+  await page.getByText("Daily AI News").first().click();
+  await expect(page.getByRole("button", { name: /Run now/ })).toBeVisible();
+  await expect(page.getByText("Each run is a live conversation", { exact: false })).toBeVisible();
+
+  // Open the running run: a normal session view, but with the automation-context banner.
+  await page.getByTitle("Open this run's conversation").click();
+  const banner = page.getByTestId("run-banner");
+  await expect(banner).toBeVisible();
+  await expect(banner).toContainText("Scheduled run");
+  await expect(banner).toContainText("Daily AI News");
+
+  // Back link lands on the SAME task's detail, not the bare list.
+  await banner.getByRole("button", { name: "← Back to runs" }).click();
+  await expect(page.getByRole("button", { name: /Run now/ })).toBeVisible();
+  await expect(page.getByText("Daily AI News").first()).toBeVisible();
+
+  // A plain (non-run) session never shows the banner.
+  await page.getByText("Draft the launch note").first().click();
+  await expect(page.getByTestId("run-banner")).toHaveCount(0);
+});