diff --git a/src/modules/investment/types/investment.types.ts b/src/modules/investment/types/investment.types.ts
index 79ac10a..b7b41e4 100644
--- a/src/modules/investment/types/investment.types.ts
+++ b/src/modules/investment/types/investment.types.ts
@@ -119,3 +119,32 @@ export interface AgentPerformance {
   sharpe_ratio: number;
   win_rate: number;
 }
+
+// ============================================================================
+// JSONB Field Types (for proper typing of JSONB columns)
+// ============================================================================
+
+/**
+ * Type for investment.risk_questionnaire.responses JSONB field
+ * Structure: [{question_id, answer, score}]
+ */
+export interface RiskQuestionnaireResponse {
+  question_id: string;
+  answer: string;
+  score: number;
+}
+
+/**
+ * Type for investment.withdrawal_requests.destination_details JSONB field
+ */
+export interface WithdrawalDestinationDetails {
+  bank_name?: string;
+  account_number?: string;
+  account_holder?: string;
+  routing_number?: string;
+  swift_code?: string;
+  iban?: string;
+  crypto_address?: string;
+  crypto_network?: string;
+  payment_method: 'bank_transfer' | 'crypto' | 'other';
+}
diff --git a/src/modules/portfolio/types/portfolio.types.ts b/src/modules/portfolio/types/portfolio.types.ts
index e005e91..4bcfbc2 100644
--- a/src/modules/portfolio/types/portfolio.types.ts
+++ b/src/modules/portfolio/types/portfolio.types.ts
@@ -126,6 +126,17 @@ export interface RebalanceHistory {
   createdAt: Date;
 }
 
+/**
+ * Type for portfolio_snapshots.allocations JSONB field
+ * Structure: { [asset: string]: { percent: number, value: number, quantity: number } }
+ */
+export interface SnapshotAllocationData {
+  percent: number;
+  value: number;
+  quantity: number;
+  avgCost?: number;
+}
+
 export interface PortfolioSnapshot {
   id: string;
   portfolioId: string;
@@ -136,7 +147,7 @@ export interface PortfolioSnapshot {
   unrealizedPnlPercent: number;
   dayChange: number;
   dayChangePercent: number;
-  allocations: Record<string, unknown> | null;
+  allocations: Record<string, SnapshotAllocationData> | null;
   createdAt: Date;
 }
 
diff --git a/src/modules/trading/types/order.types.ts b/src/modules/trading/types/order.types.ts
index 3114909..b170ec8 100644
--- a/src/modules/trading/types/order.types.ts
+++ b/src/modules/trading/types/order.types.ts
@@ -176,3 +176,30 @@ export interface OrderListResult {
   limit: number;
   offset: number;
 }
+
+// ============================================================================
+// JSONB Field Types (for proper typing of JSONB columns)
+// ============================================================================
+
+/**
+ * Type for trading.bots.strategy_config JSONB field
+ * Configuration for trading bot strategies
+ */
+export interface TradingBotStrategyConfig {
+  strategy_name?: string;
+  entry_rules?: Record<string, unknown>;
+  exit_rules?: Record<string, unknown>;
+  risk_management?: {
+    max_position_size?: number;
+    stop_loss_percent?: number;
+    take_profit_percent?: number;
+    max_daily_loss?: number;
+  };
+  indicators?: Array<{
+    name: string;
+    params: Record<string, unknown>;
+  }>;
+  timeframes?: Timeframe[];
+  symbols?: string[];
+  [key: string]: unknown;
+}