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/components/thread/activity/FileEditRow.tsx

@@ -22,18 +22,34 @@ export interface FileEditSummary {
   error?: string;
 }
 
-export function FileEditGroup({ edits }: { edits: FileEditSummary[] }) {
+export function FileEditGroup({
+  edits,
+  onOpenFilePreview,
+}: {
+  edits: FileEditSummary[];
+  onOpenFilePreview?: (path: string) => void;
+}) {
   if (edits.length === 0) return null;
   return (
     <ul className="space-y-1">
       {edits.map((edit) => (
-        <FileEditRow key={edit.key} edit={edit} />
+        <FileEditRow
+          key={edit.key}
+          edit={edit}
+          onOpenFilePreview={onOpenFilePreview}
+        />
       ))}
     </ul>
   );
 }
 
-function FileEditRow({ edit }: { edit: FileEditSummary }) {
+function FileEditRow({
+  edit,
+  onOpenFilePreview,
+}: {
+  edit: FileEditSummary;
+  onOpenFilePreview?: (path: string) => void;
+}) {
   const { t } = useTranslation();
   const editing = edit.status === "editing";
   const failed = edit.status === "error";
@@ -76,6 +92,8 @@ function FileEditRow({ edit }: { edit: FileEditSummary }) {
           <FileReferenceChip
             path={edit.path}
             tooltipPath={edit.absolute_path}
+            previewPath={edit.absolute_path || edit.path}
+            onOpen={onOpenFilePreview}
             display="path"
             active={editing}
             className="min-w-0"

webui/src/components/thread/activity/ReasoningRow.tsx

@@ -10,9 +10,11 @@ import { ActivityStep } from "./ActivityStep";
 export function ReasoningRow({
   text,
   streaming,
+  onOpenFilePreview,
 }: {
   text: string;
   streaming: boolean;
+  onOpenFilePreview?: (path: string) => void;
 }) {
   const { t } = useTranslation();
   useEffect(() => {
@@ -30,6 +32,7 @@ export function ReasoningRow({
       {text.trim() ? (
         <MarkdownText
           streaming={streaming}
+          onOpenFilePreview={onOpenFilePreview}
           className={cn(
             "min-w-0 text-[12.5px] italic text-muted-foreground/78",
             "prose-p:my-1 prose-li:my-0.5",