From f1b98384b5693a5308c8a47fafbeaab2d2c984a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20R=C3=BCtter?= <me@mynetx.net>
Date: Tue, 20 Oct 2026 07:39:33 +0000
Subject: [PATCH] Make field ids unique across publish containers

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 resources/js/components/ui/Publish/Field.vue   |  4 +++-
 resources/js/tests/browser/GroupLayout.test.js | 10 +++++-----
 resources/js/tests/components/Fields.test.js   | 11 ++++++++++-
 3 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/resources/js/components/ui/Publish/Field.vue b/resources/js/components/ui/Publish/Field.vue
index 3b7c538524e..135b89a1a7d 100644
--- a/resources/js/components/ui/Publish/Field.vue
+++ b/resources/js/components/ui/Publish/Field.vue
@@ -48,6 +48,7 @@ const {
     focusField,
     blurField,
     container,
+    name: containerName,
     direction: contentDirection,
 } = injectContainerContext();
 const {
@@ -88,7 +89,8 @@ watch(
     { immediate: true },
 );
 
-const fieldId = computed(() => `field_${fullPath.value.replaceAll('.', '_')}`);
+// Include the container name so stacked containers (e.g. nested field settings) don't share ids.
+const fieldId = computed(() => `field_${containerName.value}_${fullPath.value.replaceAll('.', '_')}`);
 const namePrefix = '';
 const isRequired = computed(() => props.config.required);
 const fieldtype = useTemplateRef('fieldtype');
diff --git a/resources/js/tests/browser/GroupLayout.test.js b/resources/js/tests/browser/GroupLayout.test.js
index dd6524fd70b..a713a89693f 100644
--- a/resources/js/tests/browser/GroupLayout.test.js
+++ b/resources/js/tests/browser/GroupLayout.test.js
@@ -45,7 +45,7 @@ async function render(fields, width, values = {}, meta = {}) {
     document.body.append(host);
     wrapper = mount(Container, {
         attachTo: host,
-        props: { blueprint: { tabs: [] }, modelValue: values, meta, site: 'default' },
+        props: { name: 'test', blueprint: { tabs: [] }, modelValue: values, meta, site: 'default' },
         global: {
             components: {
                 ...components,
@@ -70,7 +70,7 @@ async function render(fields, width, values = {}, meta = {}) {
 }
 
 function rectangle(id) {
-    return document.getElementById(`field_${id}`).getBoundingClientRect();
+    return document.getElementById(`field_test_${id}`).getBoundingClientRect();
 }
 
 function assertStacked(first, second) {
@@ -83,7 +83,7 @@ function assertStacked(first, second) {
 
 test.each([600, 900, 1200])('a 25% group stays inside a %ipx publish panel', async width => {
     await render([text('heading', 75), group('options', [text('tag'), text('design')], { width: 25 })], width);
-    const groupElement = document.getElementById('field_options_tag').closest('.group-fieldtype').getBoundingClientRect();
+    const groupElement = document.getElementById('field_test_options_tag').closest('.group-fieldtype').getBoundingClientRect();
     for (const name of ['options_tag', 'options_design']) {
         const input = rectangle(name);
         expect(input.right).toBeLessThanOrEqual(groupElement.right + 1);
@@ -109,7 +109,7 @@ test.each([false, true])('a wide group preserves 50/50 columns with border=%s',
 test('nested groups do not inherit a parent column span', async () => {
     await render([group('outer', [text('heading', 75), group('inner', [text('first', 50), text('second', 50)], { width: 25 })])], 1000);
     assertStacked('outer_inner_first', 'outer_inner_second');
-    const input = document.getElementById('field_outer_inner_first');
+    const input = document.getElementById('field_test_outer_inner_first');
     const bounds = input.closest('.group-fieldtype').getBoundingClientRect();
     expect(Math.abs(input.getBoundingClientRect().width - bounds.width)).toBeLessThan(1);
 });
@@ -145,7 +145,7 @@ test.each([511, 512])('a group uses its own %ipx breakpoint width', async width
 
 test('editing a nested field updates its form value', async () => {
     await render([group('options', [text('first'), text('second')], { width: 25 })], 1000, { options: { first: 'Original', second: 'Retained' } });
-    await wrapper.find('#field_options_first').setValue('Updated');
+    await wrapper.find('#field_test_options_first').setValue('Updated');
     expect(wrapper.vm.values).toEqual({ options: { first: 'Updated', second: 'Retained' } });
 });
 
diff --git a/resources/js/tests/components/Fields.test.js b/resources/js/tests/components/Fields.test.js
index 188653c09b4..660f89f2040 100644
--- a/resources/js/tests/components/Fields.test.js
+++ b/resources/js/tests/components/Fields.test.js
@@ -33,12 +33,13 @@ const Probe = defineComponent({
     },
 });
 
-async function mountFields(values, provide = {}) {
+async function mountFields(values, provide = {}, props = {}) {
     const wrapper = mount(Container, {
         props: {
             blueprint: { tabs: [] },
             modelValue: values,
             site: 'default',
+            ...props,
         },
         global: {
             components: { 'hidden-fieldtype': HiddenFieldtype },
@@ -83,3 +84,11 @@ test('a hidden fieldtype does not get a replicator preview', async () => {
 
     expect(previews.value).toEqual({});
 });
+
+test('field ids are unique across publish containers', async () => {
+    const outer = await mountFields({ protected: true, scheme: 'password' }, {}, { name: 'outer' });
+    const inner = await mountFields({ protected: true, scheme: 'password' }, {}, { name: 'inner' });
+
+    expect(outer.find('#field_outer_scheme').exists()).toBe(true);
+    expect(inner.find('#field_inner_scheme').exists()).toBe(true);
+});