multi line paste for add course and edit course

src/modules/admin/pages/courses/AddCourse.jsx

@@ -181,8 +181,19 @@ export default function AddCourse() {
     },
   });
 
-  const { fields: objectiveFields, append: appendObjective, remove: removeObjective } =
+  const { fields: objectiveFields, append: appendObjective, remove: removeObjective, insert: insertObjective } =
     useFieldArray({ control, name: "objectives" });
+
+  const handleObjectivePaste = (e, index) => {
+    const text = e.clipboardData.getData("text");
+    const lines = text.split(/\r\n|\r|\n/).map((l) => l.trim()).filter(Boolean);
+    if (lines.length <= 1) return;
+    e.preventDefault();
+    setValue(`objectives.${index}.text`, lines[0], { shouldDirty: true, shouldValidate: true });
+    lines.slice(1).forEach((line, i) => {
+      insertObjective(index + 1 + i, { text: line });
+    });
+  };
   const { fields: roleFields, append: appendRole, remove: removeRole } =
     useFieldArray({ control, name: "roles" });
 
@@ -415,6 +426,7 @@ export default function AddCourse() {
                           <Input
                             placeholder={`Objective ${index + 1}`}
                             {...register(`objectives.${index}.text`)}
+                            onPaste={(e) => handleObjectivePaste(e, index)}
                           />
                           <FieldError message={errors.objectives?.[index]?.text?.message} />
                         </div>