Let core-value meaning and signals be edited on first open with Add Value, confirm discard when closing without adding, and pin Keep editing to the footer back slot.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(app)/create/CreateFlowLayoutClient.tsx

@@ -84,6 +84,7 @@ import { SignedInDraftHydration } from "./SignedInDraftHydration";
 import { CreateFlowPendingAvatarFlush } from "./components/CreateFlowPendingAvatarFlush";
 import Alert from "../../components/modals/Alert";
 import Create from "../../components/modals/Create";
+import { MODAL_FOOTER_START_SLOT_CLASS } from "../../components/modals/ModalFooter";
 import Share from "../../components/modals/Share";
 import {
   CreateFlowDraftSaveBannerProvider,
@@ -637,14 +638,16 @@ function CreateFlowLayoutContent({
         nextButtonText={messages.create.topNav.leaveConfirmProceed}
         onNext={() => closeLeaveConfirm(true)}
         footerContent={
-          <Button
-            buttonType="ghost"
-            palette="default"
-            size="xsmall"
-            onClick={() => closeLeaveConfirm(false)}
-          >
-            {messages.create.topNav.leaveConfirmCancel}
-          </Button>
+          <div className={MODAL_FOOTER_START_SLOT_CLASS}>
+            <Button
+              buttonType="ghost"
+              palette="default"
+              size="xsmall"
+              onClick={() => closeLeaveConfirm(false)}
+            >
+              {messages.create.topNav.leaveConfirmCancel}
+            </Button>
+          </div>
         }
         backdropVariant="blurredYellow"
         ariaLabel={messages.create.topNav.leaveConfirmTitle}