diff --git a/IntelliTrader.Web/Views/Home/Dashboard.cshtml b/IntelliTrader.Web/Views/Home/Dashboard.cshtml
index ce9e3fe..226fb72 100644
--- a/IntelliTrader.Web/Views/Home/Dashboard.cshtml
+++ b/IntelliTrader.Web/Views/Home/Dashboard.cshtml
@@ -27,15 +27,15 @@
             </div>
         </div>
 
-        <!-- Дополнительные настройки звука -->
+        <!-- Дополнительные настройки звука и фильтрации -->
         <div class="row align-items-center mt-2 pt-2" style="border-top: 1px solid var(--card-border); font-size: 13px;">
-            <div class="col-md-5 d-flex align-items-center mb-2 mb-md-0">
+            <div class="col-md-4 d-flex align-items-center mb-2 mb-md-0">
                 <i class="fas fa-sliders-h mr-2" style="color: #7aa2f7;"></i>
                 <span class="mr-2" style="white-space: nowrap;">Громкость:</span>
                 <input type="range" id="soundVolumeSlider" min="0" max="1" step="0.05" value="0.5" style="flex-grow: 1; height: 4px; background: var(--bg-color); outline: none; transition: background 450ms ease-in-out; -webkit-appearance: none; cursor: pointer;" />
                 <span id="soundVolumeValue" class="ml-2" style="font-weight: bold; color: #7aa2f7; min-width: 40px; text-align: right;">50%</span>
             </div>
-            <div class="col-md-5 d-flex align-items-center mb-2 mb-md-0">
+            <div class="col-md-4 d-flex align-items-center mb-2 mb-md-0">
                 <i class="fas fa-music mr-2" style="color: #bb9af3;"></i>
                 <span class="mr-2" style="white-space: nowrap;">Профиль звука:</span>
                 <select id="soundProfileSelect" class="form-control form-control-sm" style="background-color: var(--input-bg); color: var(--text-color); border: 1px solid var(--input-border); border-radius: 4px; height: 28px; padding: 2px 8px; font-size: 12px; width: auto;">
@@ -44,8 +44,10 @@
                     <option value="arcade">Ретро аркада (Arcade)</option>
                 </select>
             </div>
-            <div class="col-md-2 text-md-right text-muted" style="font-size: 11px;">
-                Настройки звука
+            <div class="col-md-4 d-flex align-items-center mb-2 mb-md-0">
+                <i class="fas fa-filter mr-2" style="color: #e0af68;"></i>
+                <span class="mr-2" style="white-space: nowrap;">Мин. сделка (USDT):</span>
+                <input type="number" id="minTradeSizeInput" min="0" step="1" value="0" placeholder="0" class="form-control form-control-sm" style="background-color: var(--input-bg); color: var(--text-color); border: 1px solid var(--input-border); border-radius: 4px; height: 28px; padding: 2px 8px; font-size: 12px; width: 80px;" />
             </div>
         </div>
     </div>
@@ -59,6 +61,7 @@
         const soundVolumeSlider = document.getElementById("soundVolumeSlider");
         const soundVolumeValue = document.getElementById("soundVolumeValue");
         const soundProfileSelect = document.getElementById("soundProfileSelect");
+        const minTradeSizeInput = document.getElementById("minTradeSizeInput");
         const notificationContainer = document.getElementById("notificationContainer");
 
         let isSoundEnabled = localStorage.getItem("realtime_sound_enabled") !== "false";
@@ -74,10 +77,15 @@
         // Load sound profile with fallback to 'chime'
         let soundProfile = localStorage.getItem("realtime_sound_profile") || "chime";
 
+        // Load minimum USDT trade size filter
+        let minTradeSize = parseFloat(localStorage.getItem("realtime_min_trade_size") || "0");
+        if (isNaN(minTradeSize)) minTradeSize = 0;
+
         // Sync UI controls with values
         soundVolumeSlider.value = soundVolume;
         soundVolumeValue.textContent = Math.round(soundVolume * 100) + "%";
         soundProfileSelect.value = soundProfile;
+        minTradeSizeInput.value = minTradeSize;
 
         updateSoundButtonUI();
 
@@ -206,6 +214,14 @@
             playNotificationSound();
         });
 
+        // Min trade size threshold input handling
+        minTradeSizeInput.addEventListener("input", function () {
+            let val = parseFloat(minTradeSizeInput.value);
+            if (isNaN(val) || val < 0) val = 0;
+            minTradeSize = val;
+            localStorage.setItem("realtime_min_trade_size", minTradeSize);
+        });
+
         // Sound profile select handling
         soundProfileSelect.addEventListener("change", function () {
             soundProfile = soundProfileSelect.value;
@@ -332,8 +348,11 @@
                                 knownTrades.add(tradeId);
 
                                 if (!isFirstLoad) {
-                                    hasNewTrade = true;
-                                    showToastNotification(trade);
+                                    const tradeCost = Number(trade.Amount) * Number(trade.AveragePrice);
+                                    if (minTradeSize <= 0 || tradeCost >= minTradeSize) {
+                                        hasNewTrade = true;
+                                        showToastNotification(trade);
+                                    }
                                 }
                             }
                         });
diff --git a/IntelliTrader.Web/Views/Home/Settings.cshtml b/IntelliTrader.Web/Views/Home/Settings.cshtml
index 88c654d..bbf1b86 100644
--- a/IntelliTrader.Web/Views/Home/Settings.cshtml
+++ b/IntelliTrader.Web/Views/Home/Settings.cshtml
@@ -49,6 +49,32 @@
         </div>
     </div>
 
+    <div class="configs mt-4" style="background-color: var(--card-bg) !important; border: 1px solid var(--border-color) !important; color: var(--text-color) !important; padding: 20px; border-radius: 4px; margin-top: 20px;">
+        <h2>Уведомления и звуковые сигналы</h2>
+        <div style="margin-bottom: 15px; display: flex; align-items: center;">
+            <input type="checkbox" id="settingsSoundEnabled" style="margin-right: 10px; cursor: pointer;" />
+            <label for="settingsSoundEnabled" style="margin-bottom: 0; font-weight: bold; cursor: pointer;">Включить звуковые оповещения о сделках</label>
+        </div>
+        <div style="margin-bottom: 15px; display: flex; align-items: center; max-width: 450px;">
+            <label style="margin-right: 15px; margin-bottom: 0; font-weight: bold; min-width: 140px;">Громкость звука:</label>
+            <input type="range" id="settingsSoundVolume" min="0" max="1" step="0.05" value="0.5" style="flex-grow: 1; height: 4px; outline: none; cursor: pointer;" />
+            <span id="settingsSoundVolumeVal" style="font-weight: bold; margin-left: 10px; min-width: 45px;">50%</span>
+        </div>
+        <div style="margin-bottom: 15px; display: flex; align-items: center;">
+            <label style="margin-right: 15px; margin-bottom: 0; font-weight: bold; min-width: 140px;">Профиль звука:</label>
+            <select id="settingsSoundProfile" class="form-control form-control-sm" style="width: auto; background-color: var(--input-bg); color: var(--text-color); border: 1px solid var(--input-border); border-radius: 4px;">
+                <option value="chime">Приятный звон (Chime)</option>
+                <option value="beep">Высокий писк (Beep)</option>
+                <option value="arcade">Ретро аркада (Arcade)</option>
+            </select>
+        </div>
+        <div style="margin-bottom: 5px; display: flex; align-items: center;">
+            <label style="margin-right: 15px; margin-bottom: 0; font-weight: bold; min-width: 140px;">Мин. сделка (USDT):</label>
+            <input type="number" id="settingsMinTradeSize" min="0" step="1" value="0" placeholder="0" class="form-control form-control-sm" style="width: 100px; background-color: var(--input-bg); color: var(--text-color); border: 1px solid var(--input-border); border-radius: 4px;" />
+            <span class="text-muted ml-2" style="font-size: 12px;">(0 = показывать все сделки)</span>
+        </div>
+    </div>
+
     <script>
         document.addEventListener("DOMContentLoaded", function() {
             const select = document.getElementById("settingsThemeSelect");
@@ -87,6 +113,48 @@
                     }
                 });
             }
+
+            // Notification & Sound Settings setup
+            const soundEnabledCb = document.getElementById("settingsSoundEnabled");
+            const soundVolumeSlider = document.getElementById("settingsSoundVolume");
+            const soundVolumeVal = document.getElementById("settingsSoundVolumeVal");
+            const soundProfileSelect = document.getElementById("settingsSoundProfile");
+            const minTradeSizeInput = document.getElementById("settingsMinTradeSize");
+
+            if (soundEnabledCb && soundVolumeSlider && soundProfileSelect && minTradeSizeInput) {
+                const soundEnabled = localStorage.getItem("realtime_sound_enabled") !== "false";
+                let soundVolume = parseFloat(localStorage.getItem("realtime_sound_volume") || "0.5");
+                if (isNaN(soundVolume)) soundVolume = 0.5;
+                const soundProfile = localStorage.getItem("realtime_sound_profile") || "chime";
+                let minTradeSize = parseFloat(localStorage.getItem("realtime_min_trade_size") || "0");
+                if (isNaN(minTradeSize)) minTradeSize = 0;
+
+                soundEnabledCb.checked = soundEnabled;
+                soundVolumeSlider.value = soundVolume;
+                soundVolumeVal.textContent = Math.round(soundVolume * 100) + "%";
+                soundProfileSelect.value = soundProfile;
+                minTradeSizeInput.value = minTradeSize;
+
+                soundEnabledCb.addEventListener("change", function() {
+                    localStorage.setItem("realtime_sound_enabled", soundEnabledCb.checked);
+                });
+
+                soundVolumeSlider.addEventListener("input", function() {
+                    const val = parseFloat(soundVolumeSlider.value);
+                    soundVolumeVal.textContent = Math.round(val * 100) + "%";
+                    localStorage.setItem("realtime_sound_volume", val);
+                });
+
+                soundProfileSelect.addEventListener("change", function() {
+                    localStorage.setItem("realtime_sound_profile", soundProfileSelect.value);
+                });
+
+                minTradeSizeInput.addEventListener("input", function() {
+                    let val = parseFloat(minTradeSizeInput.value);
+                    if (isNaN(val) || val < 0) val = 0;
+                    localStorage.setItem("realtime_min_trade_size", val);
+                });
+            }
         });
     </script>
 
diff --git a/magda_agent_system/agent_tasks.json b/magda_agent_system/agent_tasks.json
index 7d53bc6..ed68cf7 100644
--- a/magda_agent_system/agent_tasks.json
+++ b/magda_agent_system/agent_tasks.json
@@ -446,7 +446,7 @@
     },
     {
       "id": "web-dashboard-custom-alerts",
-      "status": "todo",
+      "status": "done",
       "area": "web",
       "risk": "low",
       "title": "Add custom notification threshold settings on Dashboard",
@@ -473,6 +473,36 @@
       "acceptance": [
         "Order caching mechanism is integrated and avoids frequent disk reads for historical trade logs."
       ]
+    },
+    {
+      "id": "trading-trailing-buy-spread-guard",
+      "status": "todo",
+      "area": "trading",
+      "risk": "low",
+      "title": "Enhance BuyProcessor with dynamic trailing buy pause on extreme spread volatility",
+      "description": "Add dynamic spread volatility guard in BuyProcessor to postpone initial buy entries when market bid/ask spread exceeds safe thresholds.",
+      "allowed_paths": [
+        "IntelliTrader.Trading/Processors/BuyProcessor.cs",
+        "magda_agent_system/agent_tasks.json"
+      ],
+      "acceptance": [
+        "BuyProcessor evaluates spread threshold before executing trailing buy orders."
+      ]
+    },
+    {
+      "id": "web-dashboard-trade-export-csv",
+      "status": "todo",
+      "area": "web",
+      "risk": "low",
+      "title": "Add CSV export button for trade history on Trades view",
+      "description": "Add an export button on Trades view to download historical executed trade logs as a CSV file.",
+      "allowed_paths": [
+        "IntelliTrader.Web/Views/**",
+        "magda_agent_system/agent_tasks.json"
+      ],
+      "acceptance": [
+        "Trades view includes a Download CSV button that returns formatted trade records."
+      ]
     }
   ]
 }