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Social ↔ Items ↔ Finance Integration

Status: ✅ Complete
Last Updated: 2026-08-18

Overview​

Integration system linking social events, items, and finance transactions for comprehensive cross-domain tracking.

Implementation Details​

  • ✅ Transaction.personId field added to schema
  • ✅ TransactionService updated to support personId in create/update with ownership validation
  • ✅ API routes updated to accept personId
  • ✅ Comprehensive tests added (4 new tests covering create/update with personId, ownership validation, all passing, schema synced)
  • ✅ Transaction.itemId field already in schema
  • ✅ TransactionService supports itemId
  • ✅ API routes support itemId
  • ✅ Tests cover item linking
  • ✅ Both personId and itemId fields supported
  • ✅ Can be used together in same transaction

Frontend: UI for Linking People to Transactions​

  • ✅ Person selector in transaction form
  • ✅ Integrated into FinancePage transaction management UI

Frontend: UI for Linking Items to Transactions​

  • ✅ Item selector in transaction form
  • ✅ Integrated into FinancePage transaction management UI

Frontend: Display Linked People/Items on Transaction Pages​

  • ✅ Transaction list shows linked people and items
  • ✅ Receipt display integrated

Frontend: Display Linked Transactions on Person/Item Pages​

  • ✅ Added Transactions tab to person interactions modal in PeopleLibraryPage
  • ✅ Added transactions section to item cards in ItemLibraryPage with load on demand
  • ✅ Backend updated to support personId and itemId filtering in TransactionService.getAll and transaction routes
  • ✅ All integrated with proper styling
  • ✅ Backend: created SocialHappeningItem junction table in schema with relationshipType field (outfit_worn, item_used, item_loaned)
  • ✅ Updated SocialHappeningService to support item linking in create/update with validation
  • ✅ Updated routes to accept items array
  • ✅ All includes updated to return items with item details
  • ✅ Schema formatted and Prisma client generated
  • ✅ Frontend: UI integration complete in SocialHappeningsPage - added item selection form with relationship type selector, display linked items in happening cards with relationship type badges, form submission includes items array, comprehensive frontend tests added - 2 new tests for item linking functionality, all tests passing

Completed Features​

Auto-Create Item Usage Logs from Social Interactions​

  • ✅ Backend Implementation: SocialHappeningService automatically creates ItemUsageLog entries when items are linked to social happenings
  • ✅ Relationship Type Filtering: Only creates usage logs for outfit_worn and item_used relationship types (not item_loaned)
  • ✅ Duplicate Prevention: Checks for existing usage logs before creating to prevent duplicates
  • ✅ Day Linking: Usage logs are properly linked to days when dayId is provided
  • ✅ Comprehensive Tests: 7 new tests added covering all scenarios (outfit_worn, item_used, item_loaned filtering, duplicate prevention, day linking, update scenarios)
  • ✅ Implementation Details:
    • Usage logs created in both create() and update() methods
    • Usage type set to 'social_event'
    • Source ID set to social happening ID
    • Notes auto-populated with event context (purpose, location, or default message)

Expense Attachment to Social Events​

  • ✅ Backend Support: TransactionService supports socialHappeningId field for linking expenses to social events
  • ✅ Frontend UI: TransactionsTab has select field for linking transactions to social happenings
  • ✅ Event Drawer Integration: EventDrawer displays linked expenses for social events
  • ✅ Filtering: Backend supports filtering transactions by socialHappeningId
  • ✅ Tests: Backend tests verify filtering by socialHappeningId
  • ⚠️ Note: Basic expense attachment is complete. Split costs and per-person attribution would require additional data model changes (future enhancement).

Analytics (live)​

  • GET /api/v1/social-analytics/interaction-frequency
  • GET /api/v1/social-analytics/spending-per-person
  • GET /api/v1/social-analytics/cross-domain-insights

UI: Social Analytics page. MCP: analytics.social_activity_trend.

Not in scope yet: split costs / per-person attribution on a single shared expense.

API Endpoints​

  • /api/v1/transactions - Transaction CRUD (supports personId and itemId)
  • /api/v1/social-happenings - Social happening CRUD (supports items array)
  • /api/v1/social-analytics/* - frequency, spend per person, cross-domain insights