feat(desktop): polish desktop shell and shared WebUI surfaces (#4195)

* feat(desktop): add native host scaffold

* feat(webui): track turns and usage in gateway

* feat(webui): polish desktop chat experience

* feat(apps): add ArcGIS and Joplin logos

* feat(desktop): polish shell and shared surfaces

* fix(webui): avoid preview chips for glob references

* test: align CI expectations for token fallback

* feat(webui): preview prompt rail entries

* feat(webui): add prompt navigator drawer

* style(webui): refine prompt navigator placement

* style(webui): align prompt navigator with header actions

* style(webui): simplify prompt navigator header

* refactor(webui): clean thread resource refresh

* feat(desktop): add native reply notifications

* fix(webui): preserve desktop restart and replay state

* fix(desktop): harden gateway proxy startup

* fix(web): fall back when readability is unavailable

* fix(desktop): hide window instead of closing on macos

* fix(webui): unify desktop header actions

* fix(webui): simplify prompt history rows

* fix(desktop): log notification delivery failures

* chore(desktop): clean source package artifacts

* fix(cron): support one-time relative reminders

* fix(webui): reveal scroll button in place

* Revert "fix(cron): support one-time relative reminders"

This reverts commit 4c4661da120a3c7283e0768412bae48604e7390b.

* refactor(webui): extract token usage heatmap

* docs(desktop): clarify contributor guides

---------

Co-authored-by: chengyongru <2755839590@qq.com>

webui/src/tests/markdown-text-renderer.test.tsx

@@ -1,5 +1,5 @@
-import { render, screen } from "@testing-library/react";
-import { describe, expect, it } from "vitest";
+import { fireEvent, render, screen } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
 
 import MarkdownTextRenderer from "@/components/MarkdownTextRenderer";
 
@@ -12,6 +12,67 @@ describe("MarkdownTextRenderer", () => {
     expect(link).toHaveClass("text-blue-500", "dark:text-blue-300");
   });
 
+  it("renders local file links as previewable file references", () => {
+    const onOpenFilePreview = vi.fn();
+    render(
+      <MarkdownTextRenderer onOpenFilePreview={onOpenFilePreview}>
+        {"Edited [hook.py](/Users/test/project/nanobot/agent/hook.py:12)"}
+      </MarkdownTextRenderer>,
+    );
+
+    const reference = screen.getByTestId("inline-file-path");
+    expect(reference).toHaveTextContent("hook.py");
+    expect(reference).toHaveAttribute(
+      "aria-label",
+      "/Users/test/project/nanobot/agent/hook.py",
+    );
+
+    fireEvent.click(reference);
+
+    expect(onOpenFilePreview).toHaveBeenCalledWith(
+      "/Users/test/project/nanobot/agent/hook.py",
+    );
+  });
+
+  it("does not treat non-file hrefs as previews just because the label looks like a file", () => {
+    const onOpenFilePreview = vi.fn();
+    render(
+      <MarkdownTextRenderer onOpenFilePreview={onOpenFilePreview}>
+        {"Download [index.html](/api/media/sig/html)"}
+      </MarkdownTextRenderer>,
+    );
+
+    expect(screen.queryByTestId("inline-file-path")).not.toBeInTheDocument();
+    expect(screen.getByRole("link", { name: "index.html" })).toHaveAttribute(
+      "href",
+      "/api/media/sig/html",
+    );
+  });
+
+  it("renders glob file links as plain text instead of preview targets", () => {
+    const onOpenFilePreview = vi.fn();
+    const { container } = render(
+      <MarkdownTextRenderer onOpenFilePreview={onOpenFilePreview}>
+        {"原始对话通常还在 [*.json](*.json)。"}
+      </MarkdownTextRenderer>,
+    );
+
+    expect(screen.queryByTestId("inline-file-path")).not.toBeInTheDocument();
+    expect(screen.queryByRole("link", { name: "*.json" })).not.toBeInTheDocument();
+    expect(container).toHaveTextContent("*.json");
+  });
+
+  it("keeps glob inline code as code instead of a file preview chip", () => {
+    render(
+      <MarkdownTextRenderer>
+        {"检查 `src/**/*.json`。"}
+      </MarkdownTextRenderer>,
+    );
+
+    expect(screen.queryByTestId("inline-file-path")).not.toBeInTheDocument();
+    expect(screen.getByText("src/**/*.json").tagName).toBe("CODE");
+  });
+
   it("does not wrap complete fenced code blocks in an extra pre", () => {
     const { container } = render(
       <MarkdownTextRenderer highlightCode={false}>
@@ -117,6 +178,42 @@ describe("MarkdownTextRenderer", () => {
     ).toHaveAttribute("href", "https://polymarket.com/event/when-will-gpt-5pt6-be-released");
   });
 
+  it("falls back through favicon sources before showing a globe for compact link rows", () => {
+    const { container } = render(
+      <MarkdownTextRenderer>
+        {
+          "Useful links:\n\n- Savills Hong Kong Corporate Relocation — Corporate relocation services\n  https://www.savills.com.hk/services/corporate-relocation.aspx"
+        }
+      </MarkdownTextRenderer>,
+    );
+    const link = screen.getByRole("link", {
+      name: "Open link: Savills Hong Kong Corporate Relocation — Corporate relocation services",
+    });
+    const favicon = () => link.querySelector("img");
+
+    expect(favicon()).toHaveAttribute(
+      "src",
+      "https://www.savills.com.hk/favicon.ico",
+    );
+
+    fireEvent.error(favicon()!);
+    expect(favicon()).toHaveAttribute(
+      "src",
+      "https://icons.duckduckgo.com/ip3/www.savills.com.hk.ico",
+    );
+
+    fireEvent.error(favicon()!);
+    expect(favicon()).toHaveAttribute(
+      "src",
+      "https://www.google.com/s2/favicons?domain=www.savills.com.hk&sz=64",
+    );
+
+    fireEvent.error(favicon()!);
+    expect(favicon()).not.toBeInTheDocument();
+    expect(link.querySelector("svg")).toBeInTheDocument();
+    expect(container).not.toHaveTextContent("SC");
+  });
+
   it("renders media attachments without an extra preview/code wrapper", () => {
     render(<MarkdownTextRenderer>![Diagram](/api/media/sig/payload)</MarkdownTextRenderer>);