feat: Portal, Email Inbound, Discuss + module improvements

- Portal: /my/* routes, signup, password reset, portal user support
- Email Inbound: IMAP polling (go-imap/v2), thread matching
- Discuss: mail.channel, long-polling bus, DM, unread count
- Cron: ir.cron runner (goroutine scheduler)
- Bank Import, CSV/Excel Import
- Automation (ir.actions.server)
- Fetchmail service
- HR Payroll model
- Various fixes across account, sale, stock, purchase, crm, hr, project

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

addons/stock/models/stock_valuation.go

@@ -127,13 +127,22 @@ func initStockValuationLayer() {
 		}
 		defer rows.Close()
 
-		var totalConsumedValue float64
+		// Collect layers first, then close cursor before updating (pgx safety)
+		type layerConsumption struct {
+			id       int64
+			newQty   float64
+			newValue float64
+			consumed float64
+			cost     float64
+		}
+		var consumptions []layerConsumption
 		remaining := qtyToConsume
 
 		for rows.Next() && remaining > 0 {
 			var layerID int64
 			var layerQty, layerValue, layerUnitCost float64
 			if err := rows.Scan(&layerID, &layerQty, &layerValue, &layerUnitCost); err != nil {
+				rows.Close()
 				return nil, fmt.Errorf("stock.valuation.layer: scan FIFO layer: %w", err)
 			}
 
@@ -142,20 +151,27 @@ func initStockValuationLayer() {
 				consumed = layerQty
 			}
 
-			consumedValue := consumed * layerUnitCost
-			newRemainingQty := layerQty - consumed
-			newRemainingValue := layerValue - consumedValue
+			consumptions = append(consumptions, layerConsumption{
+				id:       layerID,
+				newQty:   layerQty - consumed,
+				newValue: layerValue - consumed*layerUnitCost,
+				consumed: consumed,
+				cost:     layerUnitCost,
+			})
+			remaining -= consumed
+		}
+		rows.Close()
 
+		// Now update layers outside the cursor
+		var totalConsumedValue float64
+		for _, c := range consumptions {
 			_, err := env.Tx().Exec(env.Ctx(),
 				`UPDATE stock_valuation_layer SET remaining_qty = $1, remaining_value = $2 WHERE id = $3`,
-				newRemainingQty, newRemainingValue, layerID,
-			)
+				c.newQty, c.newValue, c.id)
 			if err != nil {
-				return nil, fmt.Errorf("stock.valuation.layer: update layer %d: %w", layerID, err)
+				return nil, fmt.Errorf("stock.valuation.layer: update layer %d: %w", c.id, err)
 			}
-
-			totalConsumedValue += consumedValue
-			remaining -= consumed
+			totalConsumedValue += c.consumed * c.cost
 		}
 
 		return map[string]interface{}{