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/slack-health.spec.ts

@@ -0,0 +1,82 @@
+// Slack connection health (M3.6 Step 2, UX-DECISIONS §21): the list chip and the
+// detail status line surface three honest layers — cloud sign-in, the desktop↔relay
+// socket, per-workspace bot tokens — and never a synthetic "Slack is down" claim.
+// The fixture's /v1/connectors/slack/status reads live+signed-out by default; each
+// state here is forced with a later page.route override (later routes match first).
+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();
+}
+
+function statusPayload(overrides: any = {}) {
+  return {
+    ok: true,
+    mode: "relay",
+    relay: { state: "live", reconnects: 0, last_event_at: 1751970000, last_error: "" },
+    signed_in: true,
+    teams: { T1DL: { token_ok: true }, T2AC: { token_ok: true } },
+    ...overrides,
+  };
+}
+
+function forceStatus(page, overrides: any) {
+  return page.route("**/v1/connectors/slack/status", (route) =>
+    route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify(statusPayload(overrides)),
+    }),
+  );
+}
+
+test("signed out: chip and status line say Sign-in needed", async ({ page }) => {
+  await openConnectors(page);
+  await expect(page.getByTestId("connector-slack")).toContainText("Sign-in needed");
+  await page.getByTestId("connector-slack").click();
+  await expect(page.getByTestId("slack-mode-badge")).toContainText(
+    "Sign-in needed — relaying is paused",
+  );
+});
+
+test("signed in + live socket: Live everywhere", async ({ page }) => {
+  await forceStatus(page, {});
+  await openConnectors(page);
+  await expect(page.getByTestId("connector-slack")).toContainText("Ready");
+  await page.getByTestId("connector-slack").click();
+  await expect(page.getByTestId("slack-mode-badge")).toContainText("Live · managed relay");
+});
+
+test("relay socket reconnecting: warn chip + status line", async ({ page }) => {
+  await forceStatus(page, {
+    relay: { state: "reconnecting", reconnects: 3, last_event_at: null, last_error: "boom" },
+  });
+  await openConnectors(page);
+  await expect(page.getByTestId("connector-slack")).toContainText("Reconnecting");
+  await page.getByTestId("connector-slack").click();
+  await expect(page.getByTestId("slack-mode-badge")).toContainText("Reconnecting to the relay");
+});
+
+test("relay unreachable: Offline, not a Slack-outage claim", async ({ page }) => {
+  await forceStatus(page, {
+    relay: { state: "offline", reconnects: 0, last_event_at: null, last_error: "unreachable" },
+  });
+  await openConnectors(page);
+  await expect(page.getByTestId("connector-slack")).toContainText("Offline");
+  await page.getByTestId("connector-slack").click();
+  await expect(page.getByTestId("slack-mode-badge")).toContainText("can't reach the relay");
+});
+
+test("one dead bot token: ⚠ chip + a warning on THAT workspace only", async ({ page }) => {
+  await forceStatus(page, {
+    teams: { T1DL: { token_ok: true }, T2AC: { token_ok: false } },
+  });
+  await openConnectors(page);
+  await expect(page.getByTestId("connector-slack")).toContainText("Token");
+  await page.getByTestId("connector-slack").click();
+  await expect(page.getByTestId("token-warn-T2AC")).toContainText("Token revoked");
+  await expect(page.getByTestId("token-warn-T1DL")).toHaveCount(0);
+});