diff --git a/market/timeframe.go b/market/timeframe.go
index 752e441e..21fefd59 100644
--- a/market/timeframe.go
+++ b/market/timeframe.go
@@ -43,15 +43,6 @@ func TFDuration(tf string) (time.Duration, error) {
 	return supportedTimeframes[norm], nil
 }
 
-// MustNormalizeTimeframe is similar to NormalizeTimeframe, but panics when unsupported.
-func MustNormalizeTimeframe(tf string) string {
-	norm, err := NormalizeTimeframe(tf)
-	if err != nil {
-		panic(err)
-	}
-	return norm
-}
-
 // SupportedTimeframes returns all supported timeframes (sorted slice).
 func SupportedTimeframes() []string {
 	keys := make([]string, 0, len(supportedTimeframes))
diff --git a/trader/auto_trader_loop.go b/trader/auto_trader_loop.go
index d7f4ae3e..3be8154b 100644
--- a/trader/auto_trader_loop.go
+++ b/trader/auto_trader_loop.go
@@ -47,7 +47,9 @@ func (at *AutoTrader) runCycle() error {
 		at.logWarnf("⏸ Risk control: Trading paused, remaining %.0f minutes", remaining.Minutes())
 		record.Success = false
 		record.ErrorMessage = fmt.Sprintf("Risk control paused, remaining %.0f minutes", remaining.Minutes())
-		at.saveDecision(record)
+		if err := at.saveDecision(record); err != nil {
+			at.logWarnf("⚠ Failed to save decision record: %v", err)
+		}
 		return nil
 	}
 
@@ -64,7 +66,9 @@ func (at *AutoTrader) runCycle() error {
 		at.logErrorf("failed to build trading context: %v", err)
 		record.Success = false
 		record.ErrorMessage = fmt.Sprintf("Failed to build trading context: %v", err)
-		at.saveDecision(record)
+		if saveErr := at.saveDecision(record); saveErr != nil {
+			at.logWarnf("⚠ Failed to save decision record: %v", saveErr)
+		}
 		return fmt.Errorf("failed to build trading context: %w", err)
 	}
 
@@ -84,7 +88,9 @@ func (at *AutoTrader) runCycle() error {
 			PositionCount:         ctx.Account.PositionCount,
 			InitialBalance:        at.initialBalance,
 		}
-		at.saveDecision(record)
+		if err := at.saveDecision(record); err != nil {
+			at.logWarnf("⚠ Failed to save decision record: %v", err)
+		}
 		return nil
 	}
 
@@ -157,7 +163,9 @@ func (at *AutoTrader) runCycle() error {
 			}
 		}
 
-		at.saveDecision(record)
+		if saveErr := at.saveDecision(record); saveErr != nil {
+			at.logWarnf("⚠ Failed to save decision record: %v", saveErr)
+		}
 
 		// In safe mode, don't return error — keep the loop running to retry next cycle
 		if at.safeMode {
diff --git a/trader/bitget/trader_orders.go b/trader/bitget/trader_orders.go
index f08a7a38..22fbbe73 100644
--- a/trader/bitget/trader_orders.go
+++ b/trader/bitget/trader_orders.go
@@ -14,7 +14,9 @@ func (t *BitgetTrader) OpenLong(symbol string, quantity float64, leverage int) (
 	symbol = t.convertSymbol(symbol)
 
 	// Cancel old orders first
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -68,7 +70,9 @@ func (t *BitgetTrader) OpenShort(symbol string, quantity float64, leverage int)
 	symbol = t.convertSymbol(symbol)
 
 	// Cancel old orders first
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
diff --git a/trader/gate/trader_orders.go b/trader/gate/trader_orders.go
index 198a6acb..49ab7e10 100644
--- a/trader/gate/trader_orders.go
+++ b/trader/gate/trader_orders.go
@@ -44,7 +44,9 @@ func (t *GateTrader) OpenLong(symbol string, quantity float64, leverage int) (ma
 	symbol = t.convertSymbol(symbol)
 
 	// Cancel old orders first
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -102,7 +104,9 @@ func (t *GateTrader) OpenShort(symbol string, quantity float64, leverage int) (m
 	symbol = t.convertSymbol(symbol)
 
 	// Cancel old orders first
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
diff --git a/trader/kucoin/trader_orders.go b/trader/kucoin/trader_orders.go
index 41819202..e0d22c2d 100644
--- a/trader/kucoin/trader_orders.go
+++ b/trader/kucoin/trader_orders.go
@@ -14,7 +14,9 @@ import (
 // OpenLong opens long position
 func (t *KuCoinTrader) OpenLong(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
 	// Cancel old orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -69,7 +71,9 @@ func (t *KuCoinTrader) OpenLong(symbol string, quantity float64, leverage int) (
 // OpenShort opens short position
 func (t *KuCoinTrader) OpenShort(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
 	// Cancel old orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -218,7 +222,9 @@ func (t *KuCoinTrader) CloseLong(symbol string, quantity float64) (map[string]in
 	logger.Infof("✓ KuCoin closed long position: %s", symbol)
 
 	// Cancel pending orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel pending orders: %v", err)
+	}
 
 	return map[string]interface{}{
 		"orderId": result.OrderId,
@@ -299,7 +305,9 @@ func (t *KuCoinTrader) CloseShort(symbol string, quantity float64) (map[string]i
 	logger.Infof("✓ KuCoin closed short position: %s", symbol)
 
 	// Cancel pending orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel pending orders: %v", err)
+	}
 
 	return map[string]interface{}{
 		"orderId": result.OrderId,
diff --git a/trader/okx/trader_orders.go b/trader/okx/trader_orders.go
index 2676db3f..ebe23115 100644
--- a/trader/okx/trader_orders.go
+++ b/trader/okx/trader_orders.go
@@ -12,7 +12,9 @@ import (
 // OpenLong opens long position
 func (t *OKXTrader) OpenLong(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
 	// Cancel old orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -91,7 +93,9 @@ func (t *OKXTrader) OpenLong(symbol string, quantity float64, leverage int) (map
 // OpenShort opens short position
 func (t *OKXTrader) OpenShort(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
 	// Cancel old orders
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel old pending orders (may not have any): %v", err)
+	}
 
 	// Set leverage
 	if err := t.SetLeverage(symbol, leverage); err != nil {
@@ -269,7 +273,9 @@ func (t *OKXTrader) CloseLong(symbol string, quantity float64) (map[string]inter
 	logger.Infof("✓ OKX closed long position successfully: %s", symbol)
 
 	// Cancel pending orders after closing position
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel pending orders: %v", err)
+	}
 
 	return map[string]interface{}{
 		"orderId": orders[0].OrdId,
@@ -383,7 +389,9 @@ func (t *OKXTrader) CloseShort(symbol string, quantity float64) (map[string]inte
 	logger.Infof("✓ OKX closed short position successfully: %s, ordId=%s", symbol, orders[0].OrdId)
 
 	// Cancel pending orders after closing position
-	t.CancelAllOrders(symbol)
+	if err := t.CancelAllOrders(symbol); err != nil {
+		logger.Infof("  ⚠ Failed to cancel pending orders: %v", err)
+	}
 
 	return map[string]interface{}{
 		"orderId": orders[0].OrdId,
diff --git a/web/package-lock.json b/web/package-lock.json
index 09f2f565..186a676d 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -7039,9 +7039,9 @@
       }
     },
     "node_modules/react-router": {
-      "version": "7.13.2",
-      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.13.2.tgz",
-      "integrity": "sha512-tX1Aee+ArlKQP+NIUd7SE6Li+CiGKwQtbS+FfRxPX6Pe4vHOo6nr9d++u5cwg+Z8K/x8tP+7qLmujDtfrAoUJA==",
+      "version": "7.17.0",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.17.0.tgz",
+      "integrity": "sha512-FDELK7rTMlCHO5+reyXsPlmfr7N1F91lPHsWYfMEGQm/KQ+F4JFM8jGoeQDmDvdTs93Fw9aSilH+uKRb4/jXvQ==",
       "license": "MIT",
       "dependencies": {
         "cookie": "^1.0.1",
@@ -7061,12 +7061,12 @@
       }
     },
     "node_modules/react-router-dom": {
-      "version": "7.13.2",
-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.13.2.tgz",
-      "integrity": "sha512-aR7SUORwTqAW0JDeiWF07e9SBE9qGpByR9I8kJT5h/FrBKxPMS6TiC7rmVO+gC0q52Bx7JnjWe8Z1sR9faN4YA==",
+      "version": "7.17.0",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.17.0.tgz",
+      "integrity": "sha512-fyU2yjGups/hE6Xz0I5ZYbVL8Gx29eCjgpHaRaTaVU+OOAdfRX05KsvyRm0GO8YQwOkhpU3MurW1jyMUJn+zSw==",
       "license": "MIT",
       "dependencies": {
-        "react-router": "7.13.2"
+        "react-router": "7.17.0"
       },
       "engines": {
         "node": ">=20.0.0"