Revert "feat(chat): add composer action menu"

This reverts commit 7789673fff.

src/app/chat/components/chat-send-button.tsx

@@ -1,43 +1,29 @@
 "use client";
-import { ArrowUp, Plus, X } from "lucide-react";
+import { ArrowUp } from "lucide-react";
 
 export interface ChatSendButtonProps {
   disabled: boolean;
   hasContent: boolean;
-  isMenuOpen: boolean;
-  menuId: string;
   onClick: () => void;
-  onMenuToggle: () => void;
   onPointerDownSend: () => void;
 }
 
 export function ChatSendButton({
   disabled,
   hasContent,
-  isMenuOpen,
-  menuId,
   onClick,
-  onMenuToggle,
   onPointerDownSend,
 }: ChatSendButtonProps) {
-  const isSendMode = hasContent;
-  const label = isSendMode
-    ? "Send message"
-    : isMenuOpen
-      ? "Close chat actions"
-      : "Open chat actions";
+  const isActive = hasContent && !disabled;
   return (
     <button
       type="button"
-      data-analytics-ignore={isSendMode ? true : undefined}
-      data-analytics-key={isSendMode ? undefined : "chat.toggle_actions"}
+      data-analytics-ignore
       className={[
-        "flex aspect-square size-(--chat-send-button-size,42px) shrink-0 cursor-pointer items-center justify-center rounded-full border transition-[background,color,transform,box-shadow] duration-200 disabled:cursor-not-allowed disabled:opacity-40 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[#f657a0]",
-        isSendMode
-          ? "border-transparent bg-[linear-gradient(to_right,var(--color-button-gradient-start,#ff67e0),var(--color-button-gradient-end,#ff52a2))] text-white shadow-[0_8px_20px_rgba(246,87,160,0.3)]"
-          : isMenuOpen
-            ? "border-transparent bg-[#38262d] text-white shadow-[0_8px_18px_rgba(56,38,45,0.18)]"
-            : "border-[rgba(104,67,80,0.09)] bg-[#f8f1f4] text-[#76505f] shadow-none",
+        "flex aspect-square size-(--chat-send-button-size,40px) shrink-0 cursor-pointer items-center justify-center rounded-full border-0 bg-(--color-button-gradient-end,#fc69df) text-white transition-[background,transform] duration-200 disabled:cursor-not-allowed disabled:opacity-40 focus-visible:bg-[linear-gradient(to_right,var(--color-button-gradient-start,#ff67e0),var(--color-button-gradient-end,#ff52a2))]",
+        isActive
+          ? "bg-[linear-gradient(to_right,var(--color-button-gradient-start,#ff67e0),var(--color-button-gradient-end,#ff52a2))]"
+          : "bg-[#f8a8ce] text-[rgba(255,255,255,0.88)] shadow-none",
       ]
         .filter(Boolean)
         .join(" ")}
@@ -46,21 +32,17 @@ export function ChatSendButton({
         if (event.pointerType === "mouse") return;
         if (disabled) return;
         event.preventDefault();
-        if (!isSendMode) return;
+        if (!hasContent) return;
         onPointerDownSend();
       }}
-      onClick={isSendMode ? onClick : onMenuToggle}
-      aria-label={label}
-      aria-expanded={isSendMode ? undefined : isMenuOpen}
-      aria-controls={isSendMode ? undefined : menuId}
+      onClick={onClick}
+      aria-label="Send message"
     >
-      {isSendMode ? (
-        <ArrowUp size={23} strokeWidth={2.4} aria-hidden="true" />
-      ) : isMenuOpen ? (
-        <X size={22} strokeWidth={2.2} aria-hidden="true" />
-      ) : (
-        <Plus size={23} strokeWidth={2.2} aria-hidden="true" />
-      )}
+      <ArrowUp
+        className="size-(--icon-size-xl,24px) text-(length:--icon-size-xl,24px) leading-none"
+        size={24}
+        aria-hidden="true"
+      />
     </button>
   );
 }