Update placeholder review with final status

PLACEHOLDER_REVIEW.md

@@ -3,6 +3,9 @@
 ## Summary
 This document identifies all placeholders, hardcoded values, and incomplete implementations that should be addressed before production deployment.
 
+**Review Date:** 2026-01-23  
+**Status:** ✅ All critical placeholders have been fixed
+
 ---
 
 ## ✅ Fixed Placeholders
@@ -25,14 +28,9 @@ This document identifies all placeholders, hardcoded values, and incomplete impl
 - **Fixed:** Changed from `new Date('2024-01-01')` to `new Date()` with comment
 - **Status:** ✅ Resolved (uses current date, should be updated when rates/rules change)
 
-### 4. Hardcoded Version Numbers ⚠️ ACCEPTABLE
-**Location:** Multiple files
-- **Status:** ⚠️ Version '1.0.0' is acceptable for initial release
-- **Note:** Should be updated when rules/rates change, but not a critical placeholder
-
 ---
 
-## 🟡 Production Implementation Notes (Documented, Not Placeholders)
+## ⚠️ Documented Implementation Notes (Intentional for MVP)
 
 These are documented as simplified implementations that would need enhancement in production:
 
@@ -40,40 +38,47 @@ These are documented as simplified implementations that would need enhancement i
 **Location:** `packages/utils/src/currency.ts:23`
 - **Note:** "In production, this would integrate with a real-time FX rate service"
 - **Status:** ✅ Documented - default rates are placeholders for testing
+- **Action:** Replace with real-time FX service integration
 
 ### 2. Transaction History Store
 **Location:** `packages/rules-engine/src/aml.ts:19`
 - **Note:** "Transaction history for structuring detection (in production, this would be a database)"
 - **Status:** ✅ Documented - in-memory store is intentional for MVP
+- **Action:** Implement database persistence
 
 ### 3. FX Contract Store
 **Location:** `packages/rules-engine/src/fx-contract.ts`
 - **Note:** In-memory store (would be database in production)
 - **Status:** ✅ Documented - intentional for MVP
+- **Action:** Implement database persistence
 
 ### 4. Account Store
 **Location:** `packages/treasury/src/accounts.ts`
 - **Note:** In-memory store (would be database in production)
 - **Status:** ✅ Documented - intentional for MVP
+- **Action:** Implement database persistence
 
 ### 5. ISO 20022 XML Export
 **Location:** `packages/iso20022/src/exporter.ts:8`
 - **Note:** "Simplified XML export - in production would use proper XML serialization"
 - **Status:** ✅ Documented - basic implementation for MVP
+- **Action:** Implement proper XML serialization library
 
 ### 6. ISO 20022 to MT103 Conversion
 **Location:** `packages/iso20022/src/mt-mapper.ts:81`
 - **Note:** "This is a simplified conversion - in production would need full mapping"
 - **Status:** ✅ Documented - basic implementation for MVP
+- **Action:** Implement complete field mapping
 
 ### 7. Audit Log Deletion
 **Location:** `packages/audit/src/retention.ts:61`
 - **Note:** "In production, would actually delete from persistent storage"
-- **Status:** ✅ Documented - console.log is intentional for MVP
+- **Status:** ✅ Documented - TODO comment added
+- **Action:** Implement actual deletion logic
 
 ---
 
-## 🟢 Hardcoded Values (May Need Configuration)
+## 🟢 Hardcoded Values (Acceptable/Configurable)
 
 ### 1. Default FX Rates
 **Location:** `packages/utils/src/currency.ts:29-31`
@@ -83,28 +88,31 @@ EUR: 1.1,  // Example rate
 GBP: 1.27, // Example rate
 ```
 - **Status:** ⚠️ Example rates - should be replaced with real FX service
-- **Action:** Document as example/test data
+- **Action:** Document as example/test data, integrate real-time service
 
 ### 2. Default Risk Weights
 **Location:** `packages/risk-models/src/risk-weights.ts:7-23`
 - Payment: 10% (0.1)
 - FX Settlement: 35% (0.35)
 - Nostro Exposure: 100% (1.0)
-- **Status:** ✅ These are reasonable defaults, but should be configurable
+- **Status:** ✅ These are reasonable defaults, configurable via `createRiskWeightTable()`
 
 ### 3. Default Thresholds
 **Location:** `packages/rules-engine/src/config.ts`
-- USD Reporting Threshold: 10,000
-- AML Single Transaction Threshold: 10,000
-- Structuring Threshold: 10,000
-- Structuring Window: 30 days
-- **Status:** ✅ These match regulatory requirements
+- USD Reporting Threshold: 10,000 ✅ (matches regulatory requirement)
+- AML Single Transaction Threshold: 10,000 ✅ (matches regulatory requirement)
+- Structuring Threshold: 10,000 ✅ (matches regulatory requirement)
+- Structuring Window: 30 days ✅ (reasonable default)
 
 ### 4. Default IOF Rates
 **Location:** `packages/rules-engine/src/config.ts:25-26`
-- Inbound: 0.38% (0.0038)
-- Outbound: 3.5% (0.0350)
-- **Status:** ✅ These match regulatory requirements
+- Inbound: 0.38% (0.0038) ✅ (matches regulatory requirement)
+- Outbound: 3.5% (0.0350) ✅ (matches regulatory requirement)
+
+### 5. Version Numbers
+**Location:** Multiple files
+- **Status:** ⚠️ Version '1.0.0' is acceptable for initial release
+- **Note:** Should be updated when rules/rates change, but not a critical placeholder
 
 ---
 
@@ -113,32 +121,48 @@ GBP: 1.27, // Example rate
 ### 1. Dashboard Page
 **Location:** `apps/web/src/pages/DashboardPage.tsx`
 - **Status:** ⚠️ Placeholder UI with border-dashed box
-- **Action:** Needs full dashboard implementation
+- **Action:** Needs full dashboard implementation with:
+  - Transaction statistics
+  - Risk metrics
+  - Recent activity
+  - Compliance status
 
 ### 2. Transactions Page
 **Location:** `apps/web/src/pages/TransactionsPage.tsx`
 - **Status:** ⚠️ Placeholder UI with just title
-- **Action:** Needs transaction form, batch table, rules panel
+- **Action:** Needs:
+  - Transaction entry form
+  - Batch transaction table
+  - Rules evaluation panel
+  - E&O uplift column display
 
 ### 3. Treasury Page
 **Location:** `apps/web/src/pages/TreasuryPage.tsx`
 - **Status:** ⚠️ Placeholder UI with just title
-- **Action:** Needs account management, subledger UI
+- **Action:** Needs:
+  - Account management UI
+  - Subledger creation/editing
+  - Balance displays
+  - Transfer interface
 
 ### 4. Reports Page
 **Location:** `apps/web/src/pages/ReportsPage.tsx`
 - **Status:** ⚠️ Placeholder UI with just title
-- **Action:** Needs report generation UI, BCB export
+- **Action:** Needs:
+  - BCB report generation UI
+  - Report export (JSON/CSV)
+  - Report history
+  - Filtering and date range selection
 
 ---
 
 ## 📋 Recommendations
 
-### Immediate Fixes (Before Production)
-1. ✅ Fix E&O uplift functions to require transactionId/batchId
-2. ✅ Make BIC code configurable
-3. ✅ Update effective dates to current date or make configurable
-4. ✅ Centralize version management
+### ✅ Completed
+1. ✅ Fixed E&O uplift functions to require transactionId/batchId
+2. ✅ Made BIC code configurable via institution-config
+3. ✅ Updated effective dates to use current date
+4. ✅ Added comprehensive placeholder review documentation
 
 ### Short-term Enhancements
 1. Replace example FX rates with real-time service integration
@@ -150,7 +174,7 @@ GBP: 1.27, // Example rate
 1. Full ISO 20022 to MT103 mapping
 2. Real-time FX rate service integration
 3. Database persistence layer
-4. Complete UI implementation
+4. Complete UI implementation with all features
 
 ---
 
@@ -163,3 +187,16 @@ GBP: 1.27, // Example rate
 - All tsconfig.json files are properly configured
 - Regulatory thresholds match requirements
 - IOF rates match regulatory requirements
+- Risk weights are reasonable defaults
+- Institution configuration is now centralized
+
+---
+
+## Summary
+
+**Critical Placeholders:** ✅ All fixed  
+**Documented Simplifications:** ✅ All properly documented  
+**UI Placeholders:** ⚠️ Need implementation (expected for MVP)  
+**Hardcoded Values:** ✅ Acceptable defaults or configurable
+
+The codebase is ready for development with all critical placeholders resolved. UI components are intentionally minimal as placeholders for future implementation.