enh: large pasted text as file

Co-Authored-By: Taylor Wilsdon <6508528+taylorwilsdon@users.noreply.github.com>

src/lib/components/common/RichTextInput.svelte

@@ -23,6 +23,7 @@
 	import { keymap } from 'prosemirror-keymap';
 	import { baseKeymap, chainCommands } from 'prosemirror-commands';
 	import { DOMParser, DOMSerializer, Schema, Fragment } from 'prosemirror-model';
+	import { PASTED_TEXT_CHARACTER_LIMIT } from '$lib/constants';
 
 	export let className = 'input-prose';
 	export let shiftEnter = false;
@@ -412,6 +413,13 @@
 						// Extract plain text from clipboard and paste it without formatting
 						const plainText = event.clipboardData.getData('text/plain');
 						if (plainText) {
+							if (plainText.length > PASTED_TEXT_CHARACTER_LIMIT) {
+								// Dispatch paste event to parent component
+								eventDispatch('paste', { event });
+								event.preventDefault();
+								return true;
+							}
+
 							const modifiedText = handleTabIndentation(plainText);
 							console.log(modifiedText);