🤖 fix(desktop): keep buffered messages reachable

desktop/src/features/messages/ui/MessageTimeline.tsx

@@ -875,7 +875,8 @@ const MessageTimelineBase = React.forwardRef<
           )}
         </div>
 
-        {!isAtBottom ? (
+        {/* Physical bottom may be the frozen tail, not the newest message. */}
+        {!isAtBottom || bufferedTimeline.pendingCount > 0 ? (
           <div
             className={cn(
               "pointer-events-none absolute inset-x-0 bottom-4 z-50 flex justify-center px-4",

desktop/tests/e2e/mention-recipients.spec.ts

@@ -59,6 +59,22 @@ for (const channel of ["general", "watercooler"]) {
     await page.screenshot({
       path: `test-results/mention-recipients/ambiguous-${channel}.png`,
     });
+    if (channel === "general") {
+      await input.focus();
+      await input.press("ControlOrMeta+a");
+      expect(
+        await input.evaluate(() => window.getSelection()?.toString()),
+      ).toBe("@Scout hello");
+      await page.keyboard.insertText("@Scout");
+      await page.getByTestId(`mention-suggestion-${FIRST}`).click();
+      await page.keyboard.type("hello");
+      await expect(input).toHaveText("@Scout hello");
+      await page.getByTestId("send-message").click();
+      await expect
+        .poll(() => recipients(page, "@Scout hello"))
+        .toEqual([[FIRST]]);
+      await expect(input).toHaveText("");
+    }
   });
 }