# Refactoring Summary

## Completed Refactoring Tasks

### ✅ Zod v4 Type Safety

- All backend types use Zod schemas with `z.infer<>`
- All API request/response types use Zod schemas
- Runtime validation added to all API service functions
- Single source of truth for all types

### ✅ Backend Alignment

- Removed legacy frontend-only code (geminiService, LLM abstraction, analytics utils)
- All business logic moved to backend
- Frontend is now "dumb" - only displays data and calls APIs
- All data comes from backend APIs

### ✅ Type System Updates

- Updated `CreateProposalModal` to use `ResourceFlow` instead of `Need`/`Offer`
- Fixed camelCase field access (e.g., `targetOrg.name` → `targetOrg.Name`)
- Updated proposal schema to use `resourceDirectionSchema` (`'input' | 'output'`)
- Added missing organization CRUD functions with Zod validation

### ✅ API Service Improvements

- Converted all API interfaces to Zod schemas
- Added runtime validation for all API responses
- Proper error handling with Zod parsing

## Remaining Legacy Code

### Components (Not Actively Used)

- `components/organization/NeedsOffersDisplay.tsx` - Legacy component, replaced by `ResourceFlowList`
- `components/organization/OrganizationNeedsOffers.tsx` - Legacy component, replaced by `ResourceFlowList`
- These are only referenced in skeleton components

### Schemas (Still Used for Forms)

- `schemas/need.ts` - Still used in organization form wizard (needs/offers → ResourceFlows conversion)
- `schemas/offer.ts` - Still used in organization form wizard (needs/offers → ResourceFlows conversion)
- These are kept because the form wizard collects needs/offers data that gets converted to ResourceFlows

## Next Steps

1. **Organization Wizard Enhancement**: Implement ResourceFlow creation after organization creation
   - Create default Site for organization
   - Convert form needs → ResourceFlows with `direction='input'`
   - Convert form offers → ResourceFlows with `direction='output'`

2. **Clean Up Legacy Components**: Remove or deprecate unused components
   - Mark `NeedsOffersDisplay` and `OrganizationNeedsOffers` as deprecated
   - Update skeleton components to use `ResourceFlowList` skeleton

3. **Complete Zod Migration**: Ensure all API services use Zod schemas
   - ✅ Proposals API
   - ✅ Organizations API
   - ✅ Resources API
   - ✅ Sites API
   - ⏳ Analytics API (if needed)
   - ⏳ Chat API (if needed)
   - ⏳ Matching API (if needed)

## Type Safety Status

✅ **All types are inferred from Zod schemas**

- Backend types: `BackendOrganization`, `BackendResourceFlow`, `BackendMatch`, `BackendSite`
- Request types: `CreateOrganizationRequest`, `CreateResourceFlowRequest`, `CreateProposalRequest`
- Response types: All API responses validated with Zod schemas
- Form types: `OrganizationFormData` inferred from form schema

## Architecture Status

✅ **Clean Architecture**

- Frontend: Presentation layer only
- Backend: All business logic, calculations, data persistence
- Type safety: Zod v4 schemas throughout
- Runtime validation: All API responses validated