refactor: soften chat composer hint

web/frontend/src/components/chat/chat-composer.tsx

@@ -10,11 +10,6 @@ import TextareaAutosize from "react-textarea-autosize"
 
 import { ContextUsageRing } from "@/components/chat/context-usage-ring"
 import { Button } from "@/components/ui/button"
-import {
-  Tooltip,
-  TooltipContent,
-  TooltipTrigger,
-} from "@/components/ui/tooltip"
 import { cn } from "@/lib/utils"
 import type { ChatAttachment, ContextUsage } from "@/store/chat"
 
@@ -188,8 +183,6 @@ export function ChatComposer({
                 />
               )}
               {canInput ? (
-                <Tooltip delayDuration={700}>
-                  <TooltipTrigger asChild>
                 <span tabIndex={!canSend ? 0 : undefined}>
                   <Button
                     type="button"
@@ -202,14 +195,6 @@ export function ChatComposer({
                     <IconArrowUp className="size-4" />
                   </Button>
                 </span>
-                  </TooltipTrigger>
-                  <TooltipContent
-                    className="border-border/70 bg-muted text-foreground border text-center whitespace-pre-line shadow-lg shadow-black/10 dark:shadow-black/30"
-                    arrowClassName="bg-muted fill-muted"
-                  >
-                    {t("chat.sendHint")}
-                  </TooltipContent>
-                </Tooltip>
               ) : null}
             </div>
           </div>
@@ -218,7 +203,7 @@ export function ChatComposer({
         <div
           aria-hidden={!hasInput}
           className={cn(
-            "border-border/70 bg-muted text-foreground mt-2 inline-flex items-center rounded-md border px-3 py-1.5 text-xs shadow-lg shadow-black/10 transition-all duration-200 dark:shadow-black/30",
+            "border-border/50 bg-muted/55 text-muted-foreground mt-2 inline-flex items-center rounded-md border px-3 py-1 text-[11px] shadow-sm transition-all duration-200 dark:bg-muted/45",
             hasInput
               ? "translate-y-0 opacity-100"
               : "pointer-events-none -translate-y-1 opacity-0",