test(e2e): add EPIC-04 household items E2E test coverage

[steilerDev]

Summary

Adds full Playwright E2E test coverage for EPIC-04 (Household Items & Furniture Management). Prior to this PR, the only E2E coverage for household items was a single stub smoke test verifying the page loaded. EPIC-04 is now fully implemented across 4 pages (list, create, detail, edit), so this PR brings E2E coverage in line with the rest of the application.

Coverage added (80+ tests across 4 spec files)

e2e/tests/household-items/household-items-list.spec.ts (Stories 4.3, 4.8)

• Page load with h1 "Household Items"
• "New Item" button navigation
• Empty state (mocked)
• Filter empty state (search no match)
• Item appears in list after API creation
• Search filtering
• Category filter
• Status filter
• Status badge rendering (planned/purchased/scheduled/arrived)
• Delete modal — confirm removes item
• Delete modal — cancel leaves item
• Pagination with mocked response
• Responsive (no horizontal scroll)
• Mobile: card view visible
• Desktop: table visible
• Dark mode rendering
• Filter panel accessible role="search" landmark

e2e/tests/household-items/household-item-create.spec.ts (Story 4.4)

• Page load with h1 "New Household Item"
• Back button navigation
• All form fields visible
• Create with name only — happy path, redirect to detail
• Create with all major fields
• Validation error on empty name
• Category select options (all 8 categories)
• Status select options (all 4 statuses)
• Cancel navigation
• Responsive + dark mode

e2e/tests/household-items/household-item-detail.spec.ts (Stories 4.5, 4.6, 4.7, 8.6, 4.8)

• Page load with item name as heading
• Breadcrumb link navigation
• Edit button navigation
• Budget section visible (Story 4.6)
• "Add Budget Line" button visible
• Documents section heading (Story 8.6)
• "+ Add Document" button disabled when Paperless not configured
• "Not configured" banner shown
• #documents-section-title accessible heading
• 404/error state for non-existent ID
• Responsive + dark mode

e2e/tests/household-items/household-item-edit.spec.ts (Story 4.4)

• Edit page heading
• Save/Cancel buttons visible
• Form pre-populated with existing item data
• Back button navigates to detail
• Save changes — happy path
• Validation error on cleared name
• 404 state for non-existent item
• Responsive

Supporting changes

• e2e/pages/HouseholdItemsPage.ts: Fully rewritten from stub POM to production-ready POM with all locators, search/filter methods, delete modal helpers, pagination helpers
• e2e/pages/HouseholdItemCreatePage.ts: New POM for /household-items/new
• e2e/pages/HouseholdItemDetailPage.ts: New POM for /household-items/:id
• e2e/fixtures/apiHelpers.ts: Added createHouseholdItemViaApi / deleteHouseholdItemViaApi
• e2e/fixtures/testData.ts: Added API.householdItems and ROUTES.householdItemsNew constants
• e2e/tests/navigation/stub-pages.spec.ts: Removed household items stub test (page graduated to full feature — EPIC-04)

Coverage Matrix

Story	Feature	E2E Covered
4.1	Schema & Migration	N/A (backend only)
4.2	CRUD API	Via API helpers in all tests
4.3	List Page	household-items-list.spec.ts
4.4	Create & Edit Form	household-item-create.spec.ts, household-item-edit.spec.ts
4.5	Detail Page	household-item-detail.spec.ts
4.6	Budget Integration	household-item-detail.spec.ts (budget section visible + Add Budget Line)
4.7	Work Item Linking	household-item-detail.spec.ts (page loads without error; deep interaction via unit tests)
4.8	Responsive & A11y	All spec files tagged @responsive
4.9	Invoice Linking	household-item-detail.spec.ts (page loads)
4.10	Timeline Dependencies	household-item-detail.spec.ts (page loads)
8.6	Document Linking	household-item-detail.spec.ts (Documents section, disabled state)

Test plan

• CI sharded E2E suite passes on beta
• Smoke tests (@smoke tag) pass: list page load, create redirect
• Responsive tests across desktop/tablet/mobile viewports

🤖 Generated with Claude Code

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🎉 This PR is included in version 1.12.0-beta.50 🎉

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