Fix TypeScript build errors

PHASE1_COMPLETE.md

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+# Phase 1 Complete - Quick Wins Summary
+
+## ✅ Completed
+
+### 1.1 Missing Imports ✅
+**Fixed 7 files**:
+1. `mrecp-harmonization.service.ts` - Added `uuidv4` import
+2. `multiverse-fx.service.ts` - Added `Decimal` import
+3. `multiverse-ssu.service.ts` - Added `Decimal` import
+4. `multi-d-sez-bridge.service.ts` - Added `Decimal` import
+5. `uprmf.service.ts` - Added `Decimal` import
+6. `gpn-finality.service.ts` - Added `Decimal` import
+7. `cross-chain-settlement.service.ts` - Added `createHash` import
+
+**Errors Fixed**: ~7 errors
+
+### 1.2 Missing Returns in Routes 🟡
+**Partial Fix**:
+- Fixed 5 route files with automated script
+- Remaining: ~120 TS7030 errors need manual review
+- Issue: Some route handlers need explicit return types or return statements
+
+**Status**: Needs more investigation - the missing returns are complex and may require function signature changes
+
+### 1.3 Simple Type Assertions ⏳
+**Pending** - Will be addressed in Phase 2
+
+## Results
+
+- **Starting Errors**: 566
+- **After Import Fixes**: ~559 errors
+- **Errors Fixed**: ~7 errors
+
+## Next Steps
+
+1. **Option A**: Continue with Phase 2 (Pattern-Based Fixes) which will address many of the remaining issues
+2. **Option B**: Manually fix remaining missing returns (time-consuming but high impact)
+3. **Option C**: Configure TypeScript to be less strict on route handlers
+
+**Recommendation**: Proceed with Phase 2 as it will fix many errors, then revisit missing returns if needed.
+