feat(ee): add enterprise ai chat controls

apps/client/src/ee/ai-chat/components/chat-input.tsx

@@ -1,4 +1,12 @@
-import { useCallback, useId, useRef, useEffect, useState } from "react";
+import {
+  forwardRef,
+  useCallback,
+  useId,
+  useImperativeHandle,
+  useRef,
+  useEffect,
+  useState,
+} from "react";
 import { useTranslation } from "react-i18next";
 import { IconArrowUp, IconPaperclip, IconPlayerStopFilled, IconX, IconFile, IconPhoto, IconPlus, IconAt, IconFileText } from "@tabler/icons-react";
 import { Popover } from "@mantine/core";
@@ -35,6 +43,10 @@ type Props = {
   chatId?: string;
 };
 
+export type ChatInputHandle = {
+  prefill: (text: string) => void;
+};
+
 function extractMentions(json: any): PageMention[] {
   const mentions: PageMention[] = [];
   const seen = new Set<string>();
@@ -89,7 +101,7 @@ function editorJsonToText(json: any): string {
   return text;
 }
 
-export default function ChatInput({
+const ChatInput = forwardRef<ChatInputHandle, Props>(function ChatInput({
   isStreaming,
   onSend,
   onStop,
@@ -100,7 +112,7 @@ export default function ChatInput({
   variant = "card",
   showDisclaimer = true,
   chatId,
-}: Props) {
+}: Props, ref) {
   const chatIdRef = useRef(chatId);
   chatIdRef.current = chatId;
   const { t } = useTranslation();
@@ -270,6 +282,19 @@ export default function ChatInput({
     }
   }, [editor]);
 
+  useImperativeHandle(
+    ref,
+    () => ({
+      prefill: (text: string) => {
+        if (!editor || editor.isDestroyed) return;
+        editor.commands.clearContent();
+        editor.commands.insertContent(text);
+        editor.commands.focus();
+      },
+    }),
+    [editor],
+  );
+
   const hasContent = !isEmpty || pendingAttachments.some((a) => !a.uploading) || (contextPages?.length ?? 0) > 0;
 
   const wrapperClass = variant === "flat" ? classes.inputWrapperFlat : classes.inputWrapper;
@@ -429,4 +454,6 @@ export default function ChatInput({
     )}
     </>
   );
-}
+});
+
+export default ChatInput;