refactor: clean admin navigation and user details

admin_users.go

@@ -302,7 +302,8 @@ func (a *App) adminAdjustCredits(c *gin.Context) {
 		return
 	}
 	var in struct {
-		Amount int64 `json:"amount"`
+		Amount int64  `json:"amount"`
+		Reason string `json:"reason"`
 	}
 	if c.BindJSON(&in) != nil || in.Amount == 0 {
 		c.JSON(400, gin.H{"error": "amount cannot be zero"})
@@ -324,9 +325,15 @@ func (a *App) adminAdjustCredits(c *gin.Context) {
 		if err := tx.Save(&account).Error; err != nil {
 			return err
 		}
-		typ, reason := "grant", "admin credit adjustment"
+		typ, reason := "grant", strings.TrimSpace(in.Reason)
+		if reason == "" {
+			reason = "admin credit adjustment"
+		}
 		if in.Amount < 0 {
-			typ, reason = "admin_debit", "admin credit deduction"
+			typ = "admin_debit"
+			if strings.TrimSpace(in.Reason) == "" {
+				reason = "admin credit deduction"
+			}
 		}
 		return tx.Create(&CreditTransaction{UserID: uint(id), Type: typ, Amount: in.Amount, BalanceAfter: account.Balance, ReferenceType: "admin", ReferenceID: strconv.FormatUint(uint64(operator.ID), 10), Reason: reason}).Error
 	})
@@ -335,5 +342,7 @@ func (a *App) adminAdjustCredits(c *gin.Context) {
 		return
 	}
 	a.audit(operator.ID, "user.credits.adjust", "user", strconv.FormatUint(id, 10), "amount="+strconv.FormatInt(in.Amount, 10))
-	c.JSON(200, gin.H{"ok": true})
+	var account CreditAccount
+	_ = a.db.Where("user_id = ?", id).First(&account)
+	c.JSON(200, gin.H{"ok": true, "balance": account.Balance, "reserved": account.Reserved, "available": account.Balance - account.Reserved})
 }