diff --git a/e2e/live/form-view-subforms.spec.ts b/e2e/live/form-view-subforms.spec.ts
index 1b3c1bbc7..f1ae6a06b 100644
--- a/e2e/live/form-view-subforms.spec.ts
+++ b/e2e/live/form-view-subforms.spec.ts
@@ -4,9 +4,9 @@ import { selectOption, fillLookup, addLineItem } from './helpers';
 /**
  * Tier 0 live e2e: an object's standard New/Edit modal renders inline child
  * collections derived from the DATA MODEL (no view config, no bespoke page).
- * `showcase_task.project` declares `inlineEdit: true`, so every standard
- * Project form auto-renders a Tasks subtable; "New Project" opens a
- * master-detail modal that submits parent + children in one atomic
+ * `showcase_invoice_line.invoice` declares `inlineEdit: 'grid'`, so every
+ * standard Invoice form auto-renders a "Line Items" grid; "New Invoice" opens
+ * a master-detail modal that submits the header + its lines in one atomic
  * /api/v1/batch. (An explicit `form.subforms` would override the derived one.)
  */
 test('New <object> modal renders relationship-derived subforms and submits an atomic batch', async ({ page }) => {
@@ -17,22 +17,22 @@ test('New <object> modal renders relationship-derived subforms and submits an at
     }
   });
 
-  await page.goto('/apps/showcase_app/showcase_project');
+  await page.goto('/apps/showcase_app/showcase_invoice');
   await page.getByRole('button', { name: /^New$/i }).first().click();
 
   // The standard create modal is now a master-detail form (no custom page).
   const dialog = page.getByRole('dialog');
   await expect(dialog.getByTestId('md-form-submit')).toBeVisible();
-  await expect(dialog.getByText('Tasks', { exact: false })).toBeVisible();
+  await expect(dialog.getByText('Line Items', { exact: false })).toBeVisible();
 
-  const name = `Tier0 ${Date.now()}`;
+  const name = `INV-${Date.now()}`;
   await dialog.locator('input[name="name"]').fill(name);
   await fillLookup(page, 'account', 'North');
-  await selectOption(page, 'status', 'planned');
+  await selectOption(page, 'status', 'draft');
   await expect(dialog.getByText('Northwind', { exact: false }).first()).toBeVisible();
 
   const row = await addLineItem(page);
-  await row.getByRole('textbox').first().fill('Tier0 Task');
+  await row.getByRole('textbox').first().fill('Widget A');
 
   await Promise.all([
     page.waitForRequest((r) => r.url().includes('/api/v1/batch'), { timeout: 15_000 }).catch(() => null),
@@ -42,9 +42,9 @@ test('New <object> modal renders relationship-derived subforms and submits an at
 
   expect(batches.length).toBeGreaterThan(0);
   const ops = batches[0].operations;
-  expect(ops[0]).toMatchObject({ object: 'showcase_project', action: 'create' });
+  expect(ops[0]).toMatchObject({ object: 'showcase_invoice', action: 'create' });
   expect(ops[0].data.name).toBe(name);
-  expect(ops[0].data.status).toBe('planned');
-  const child = ops.find((o: any) => o.object === 'showcase_task');
-  expect(child?.data?.project).toEqual({ $ref: 0 });
+  expect(ops[0].data.status).toBe('draft');
+  const child = ops.find((o: any) => o.object === 'showcase_invoice_line');
+  expect(child?.data?.invoice).toEqual({ $ref: 0 });
 });
diff --git a/e2e/live/master-detail.spec.ts b/e2e/live/master-detail.spec.ts
index f37ab659b..b030d125f 100644
--- a/e2e/live/master-detail.spec.ts
+++ b/e2e/live/master-detail.spec.ts
@@ -63,8 +63,17 @@ test('Create with a task line includes the child op referencing the parent', asy
   await selectOption(page, 'status', 'active');
   await expect(page.getByText('Northwind', { exact: false })).toBeVisible();
 
-  const row = await addLineItem(page);
-  await row.getByRole('textbox').first().fill('E2E Task A');
+  // `showcase_task` is a rich child, so its relationship smart-default resolves
+  // to the per-row `form` factor: "Add task" opens the child's full form
+  // inline (not editable grid cells). Fill the required fields and Apply to
+  // stage the row, then save the whole thing as one atomic batch.
+  await page.getByTestId('line-items-add').click();
+  const editor = page.getByTestId('md-row-form');
+  await expect(editor).toBeVisible();
+  await editor.locator('input[name="title"]').fill('E2E Task A');
+  await selectOption(editor, 'status', 'backlog');
+  await editor.getByRole('button', { name: 'Apply', exact: true }).click();
+  await expect(editor).toBeHidden();
 
   await Promise.all([
     page.waitForRequest((r) => r.url().includes('/api/v1/batch'), { timeout: 15_000 }).catch(() => null),
@@ -78,5 +87,6 @@ test('Create with a task line includes the child op referencing the parent', asy
   // a child task op referencing the parent via $ref:0
   const child = ops.find((o: any) => o.object === 'showcase_task');
   expect(child).toBeTruthy();
+  expect(child?.data?.title).toBe('E2E Task A');
   expect(child?.data?.project).toEqual({ $ref: 0 });
 });
diff --git a/e2e/live/row-expand.spec.ts b/e2e/live/row-expand.spec.ts
index 848636a4e..7556b58ba 100644
--- a/e2e/live/row-expand.spec.ts
+++ b/e2e/live/row-expand.spec.ts
@@ -1,13 +1,12 @@
 import { test, expect } from '@playwright/test';
-import { selectOption } from './helpers';
 
 /**
  * Live e2e for the master-detail inline grid's per-row "expand to full form"
  * (the mainstream hybrid: a quick grid + a rich per-row form). Adding a line
- * then clicking its expand button reveals the child's COMPLETE form inline
- * (rich types the grid omits live here; the parent FK is excluded). Applying
- * writes the values back into the grid row — no separate backend write; the
- * atomic batch still persists everything on the parent Save.
+ * then clicking its expand button reveals the child's COMPLETE form inline,
+ * with the parent relationship FK excluded. Applying writes the values back
+ * into the grid row — no separate backend write; the atomic batch still
+ * persists everything on the parent Save.
  *
  * The editor is rendered inline (not a portaled drawer) precisely so it stays
  * interactive + accessible when this form is itself inside the create-record
@@ -15,30 +14,30 @@ import { selectOption } from './helpers';
  * pointer-events / aria-hidden lock and be unclickable).
  */
 test('a grid row expands into a full inline form and writes values back', async ({ page }) => {
-  await page.goto('/apps/showcase_app/showcase_project');
+  await page.goto('/apps/showcase_app/showcase_invoice');
   await page.getByRole('button', { name: /^New$/i }).first().click();
 
   const dialog = page.getByRole('dialog').first();
   await expect(dialog.getByTestId('md-form-submit')).toBeVisible();
 
-  // Add a task line, then expand it into the full form.
+  // Add a line item, then expand it into the full form.
   await dialog.getByTestId('line-items-add').click();
   await dialog.getByTestId('line-items-expand-0').click();
 
   const editor = page.getByTestId('md-row-form');
   await expect(editor).toBeVisible();
 
-  // Richer than the grid: includes fields the grid omits (Notes) and excludes
-  // the parent relationship FK (Project).
-  await expect(editor.getByText('Notes', { exact: false }).first()).toBeVisible();
-  await expect(editor.getByText(/^Project$/)).toHaveCount(0);
+  // The full form includes the line's business fields (Product) and excludes
+  // the parent relationship FK (Invoice).
+  await expect(editor.getByText('Product', { exact: false }).first()).toBeVisible();
+  await expect(editor.getByText(/^Invoice$/)).toHaveCount(0);
 
-  // Fill the required fields (Title + Status) in the full form, then Apply.
-  await editor.locator('input[name="title"]').fill('Deep task A');
-  await selectOption(editor, 'status', 'todo');
+  // Fill the required fields (Product + Qty) in the full form, then Apply.
+  await editor.locator('input[name="product"]').fill('Widget Deluxe');
+  await editor.locator('input[name="quantity"]').fill('3');
   await editor.getByRole('button', { name: 'Apply', exact: true }).click();
 
   // Editor closes and the value is written back into the grid row.
   await expect(editor).toBeHidden();
-  await expect(dialog.getByTestId('line-items').getByRole('textbox').first()).toHaveValue('Deep task A');
+  await expect(dialog.getByTestId('line-items').getByRole('textbox').first()).toHaveValue('Widget Deluxe');
 });