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/seeded-history.spec.ts

@@ -0,0 +1,154 @@
+// Seeded-transcript replay (the reopen path). Everything here renders from
+// GET /v1/sessions/{id}/messages via itemsFromMessages — no live turns are driven —
+// which is the one path the fake agent's echo scripting could never reach: replayed
+// tool calls with results, privacy-filter counts, reasoning disclosures, persisted
+// notices, and connector-sourced inbound messages.
+import { expect } from "@playwright/test";
+import { test, seedSessionMessages } from "./fixtures";
+
+const TS = 1755600000; // fixed epoch — replay must not depend on "now"
+
+const RICH_HISTORY = [
+  { role: "user", content: "Audit the release branch", ts: TS },
+  {
+    role: "assistant",
+    content: "",
+    tool_calls: [
+      { id: "t1", function: { name: "run_shell", arguments: JSON.stringify({ command: "git log --oneline -5" }) } },
+      { id: "t2", function: { name: "read_file", arguments: JSON.stringify({ path: "CHANGELOG.md" }) } },
+    ],
+  },
+  { role: "tool", tool_call_id: "t1", content: "abc123 release: cut 0.1.7" },
+  { role: "tool", tool_call_id: "t2", content: "## 0.1.7 — fixes", _display: { hidden_by_filters: 3 } },
+  {
+    role: "assistant",
+    content: "The branch is clean — **two checks** passed.",
+    reasoning: "Compared the log against the changelog; both entries line up.",
+    ts: TS + 40,
+  },
+  { role: "notice", kind: "compacted", text: "Context compacted" },
+  { role: "assistant", content: "Anything else before I file the summary?" },
+];
+
+test("a reopened session replays rich history: tools, filters, reasoning, notices", async ({
+  page,
+}) => {
+  await seedSessionMessages(page, "pinned-cowork-1", RICH_HISTORY);
+  await page.goto("/");
+  await page.getByText("Draft the launch note").first().click();
+
+  // Plain items replay as they rendered live.
+  await expect(page.getByText("Audit the release branch")).toBeVisible();
+  await expect(page.locator(".md strong", { hasText: "two checks" })).toBeVisible();
+  await expect(page.getByText("Context compacted")).toBeVisible();
+
+  // The turn's tools fold into a collapsed step group; the filter count rides the summary.
+  const group = page.locator(".stepgroup").first();
+  await expect(group).toContainText("2 steps");
+  await expect(page.getByTestId("stepgroup-hidden")).toContainText("3 hidden");
+
+  // Expanding reveals the replayed rows with their results wired by tool_call_id.
+  await group.locator("summary").click();
+  await expect(page.getByTestId("turn-step")).toHaveCount(2);
+  await expect(page.getByTestId("tool-hidden-count")).toBeVisible();
+
+  // Reasoning persists as the collapsed disclosure, not live "Thinking…".
+  await expect(page.getByTestId("thinking-toggle")).toContainText("Thought process");
+});
+
+test("a connector-sourced message replays as its structured card", async ({ page }) => {
+  await seedSessionMessages(page, "pinned-cowork-1", [
+    {
+      role: "user",
+      content: "[slack] Priya: Ship it when the checks are green",
+      source: {
+        connector: "slack",
+        kind: "channel",
+        channel_id: "C0REL",
+        channel_name: "#release",
+        sender_id: "U1",
+        sender_name: "Priya",
+        ts: TS,
+        text: "Ship it when the checks are green",
+      },
+    },
+    { role: "assistant", content: "Will do — watching the checks now." },
+  ]);
+  await page.goto("/");
+  await page.getByText("Draft the launch note").first().click();
+
+  const card = page.locator(".connector-card[data-brand='slack']");
+  await expect(card).toBeVisible();
+  await expect(card).toContainText("Priya");
+  await expect(card).toContainText("Ship it when the checks are green");
+  // The framed model-facing content must NOT double-render as a plain bubble.
+  await expect(page.getByText("[slack] Priya:")).toHaveCount(0);
+});
+
+test("a replayed error notice at the tail offers Retry", async ({ page }) => {
+  await seedSessionMessages(page, "pinned-cowork-1", [
+    { role: "user", content: "run the report", ts: TS },
+    { role: "notice", kind: "error", text: "provider unavailable" },
+  ]);
+  await page.goto("/");
+  await page.getByText("Draft the launch note").first().click();
+
+  await expect(page.getByText("Error: provider unavailable")).toBeVisible();
+  await expect(page.getByTestId("notice-retry")).toBeVisible();
+});
+
+test("a dead MCP server replays as one quiet line with Details and Open Connectors", async ({
+  page,
+}) => {
+  // Owner ruling 2026-08-21: never a wall of stderr in the transcript — the summary
+  // names the server; the raw error hides behind Details; Open Connectors is the fix path.
+  await seedSessionMessages(page, "pinned-cowork-1", [
+    { role: "user", content: "hi", ts: TS },
+    { role: "assistant", content: "Hello!" },
+    {
+      role: "notice",
+      kind: "mcp_error",
+      server: "sales-db",
+      text: "MCP server “sales-db” failed to start: unhandled errors in a TaskGroup — aws configure export-credentials --profile aicreator exited 255",
+    },
+  ]);
+  await page.goto("/");
+  await page.getByText("Draft the launch note").first().click();
+
+  const line = page.getByTestId("mcp-notice");
+  await expect(line).toContainText("sales-db");
+  await expect(line).toContainText("didn’t start");
+  // The raw error stays hidden until asked for.
+  await expect(page.getByTestId("mcp-notice-detail")).toHaveCount(0);
+  await page.getByTestId("mcp-notice-details").click();
+  await expect(page.getByTestId("mcp-notice-detail")).toContainText("TaskGroup");
+
+  // Open Connectors jumps to the Integrations surface.
+  await page.getByTestId("mcp-notice-connectors").click();
+  await expect(page.getByText("Connectors", { exact: true }).first()).toBeVisible();
+});
+
+test("a LEGACY mcp_error notice (pre-server-field) also collapses to the quiet line", async ({
+  page,
+}) => {
+  // Old sessions persisted the full text + a plain "see Settings ▸ Connectors" pointer;
+  // display-time parsing recovers the server name so old transcripts clean up too.
+  await seedSessionMessages(page, "pinned-cowork-1", [
+    { role: "user", content: "hi", ts: TS },
+    {
+      role: "notice",
+      kind: "mcp_error",
+      text: "MCP server “sales-db” failed to start: unhandled errors in a TaskGroup <function f at 0x102ab40f0> — see Settings ▸ Connectors",
+    },
+  ]);
+  await page.goto("/");
+  await page.getByText("Draft the launch note").first().click();
+
+  const line = page.getByTestId("mcp-notice");
+  await expect(line).toContainText("sales-db");
+  await page.getByTestId("mcp-notice-details").click();
+  const detail = page.getByTestId("mcp-notice-detail");
+  await expect(detail).toContainText("TaskGroup");
+  // The old plain-text pointer is dropped — the button replaces it.
+  await expect(detail).not.toContainText("see Settings");
+});