diff --git a/public/studio/Studio.js b/public/studio/Studio.js
index ba9d66b..1914e8e 100644
--- a/public/studio/Studio.js
+++ b/public/studio/Studio.js
@@ -7,16 +7,17 @@ export default class Studio {
         this.mwse       = mwse;
         this._el        = typeof container === 'string'
             ? document.querySelector(container) : container;
-        this._view      = null;       // mount() içinde oluşturulur
+        this._view      = null;
         this._devices   = { cameras: [], microphones: [] };
         this._statusEl  = null;
         this._notifArea = null;
         this._myIPEl    = null;
         this._myUUIDEl  = null;
-        this._localGrid  = null;      // "Gönderiyorum" tile grid'i
-        this._remoteGrid = null;      // "Geliyor" tile grid'i
+        this._localGrid  = null;
+        this._remoteGrid = null;
         this._streamsPanel = null;
         this._styleOK   = false;
+        this._peersCol  = null;   // reaktif güncelleme için referans
     }
 
     async mount() {
@@ -51,18 +52,29 @@ export default class Studio {
         // Gelen eşleme isteği → bildirim banner
         this.mwse.me.on('request/pair', peer => this._showPairRequest(peer));
 
-        // Eşleşme onaylandı
+        // Eşleşme onaylandı (istek gönderen taraf)
         this.mwse.me.on('accepted/pair', peer => {
             this._watchIncoming(peer);
             if (this.mwse.virtualPressure.APIPAddress) {
                 this.mwse.me.info.set('ip', this.mwse.virtualPressure.APIPAddress);
             }
-            this._view.refresh();
+            this._rebuildPeerItems();
             this._setStatus('online', `${this._peerLabel(peer)} eşleşmesi kuruldu`);
         });
 
-        this.mwse.me.on('end/pair', () => this._view.refresh());
-        this.mwse.on('room',       () => this._view.refresh());
+        // Eşleşme bitti (karşı taraf koptu veya endPair çağrıldı)
+        this.mwse.me.on('end/pair', (from) => {
+            this._rebuildPeerItems();
+            this._setStatus('', `${typeof from === 'string' ? from.slice(-8) : ''} ayrıldı`);
+        });
+
+        // WebSocket bağlantısı kopunca (sayfa yenileme, ağ kesilmesi)
+        this.mwse.me.on('peer/disconnect', peer => {
+            this._rebuildPeerItems();
+            this._setStatus('error', `${this._peerLabel(peer)} bağlantısı kesildi`);
+        });
+
+        this.mwse.on('room', () => this._view.refresh());
 
         return this;
     }
@@ -347,8 +359,10 @@ export default class Studio {
                 if (this.mwse.virtualPressure.APIPAddress) {
                     this.mwse.me.info.set('ip', this.mwse.virtualPressure.APIPAddress);
                 }
-                this._view.popTo(1);
-                this._pushPeersColumn();
+                // Eşler kolonunu aç ve anında doldur
+                if (this._view.depth < 2) this._view.popTo(1);
+                if (!this._peersCol) this._pushPeersColumn();
+                else this._rebuildPeerItems();
                 this._setStatus('online', `${this._peerLabel(peer)} kabul edildi`);
             } else {
                 this._setStatus('error', 'Eşleşme kurulamadı');
@@ -406,7 +420,8 @@ export default class Studio {
             });
         }
 
-        const col = this._view.pushColumn('Eşler', items);
+        this._peersCol = this._view.pushColumn('Eşler', items);
+        const col = this._peersCol;
         col.addAction('<span class="mi mi-sm">person_search</span> ID ile ara', '', () => {
             this._showModal({
                 title: 'Eşe bağlan',
@@ -428,6 +443,26 @@ export default class Studio {
         return peer.info?.info?.ip || peer.socketId.slice(-8);
     }
 
+    // Eşler kolonunu mevcut mwse.pairs verisiyle canlı olarak günceller.
+    // Kolon henüz açılmamışsa no-op.
+    _rebuildPeerItems() {
+        if (!this._peersCol) return;
+        const pairs = [...this.mwse.pairs.values()];
+        const items = pairs.map(peer => ({
+            icon: peer.rtc?.active ? 'sensors' : 'person',
+            label: this._peerLabel(peer),
+            meta: () => this._peerMeta(peer),
+            onSelect: () => { this._view.popTo(2); this._pushPeerColumn(peer); }
+        }));
+        if (!items.length) {
+            items.push({
+                icon: 'person_off', label: 'Henüz eş yok',
+                meta: '"ID ile ara" butonunu kullan', hasChildren: false
+            });
+        }
+        this._peersCol.setItems(items);
+    }
+
     _peerMeta(peer) {
         const streams = peer.rtc?._streams?.list() ?? [];
         const id = peer.socketId.slice(-8);
diff --git a/sdk/Peer.js b/sdk/Peer.js
index ce69470..9be9b66 100644
--- a/sdk/Peer.js
+++ b/sdk/Peer.js
@@ -164,31 +164,31 @@ export default class Peer extends MWSEEventTarget {
     }
 
     async send(pack) {
-        const p2pOpen    = this.peerConnection && this.rtc?.active;
         const serverOpen = this.mwse.server.connected;
 
-        let channel;
-        if (p2pOpen && serverOpen) {
-            channel = this.primaryChannel === 'websocket' ? 'websocket' : 'datachannel';
-        } else if (serverOpen) {
-            channel = 'websocket';
-        } else {
-            channel = 'datachannel';
-        }
+        // WebRTC signaling (:rtcpack:) MUST always travel via the WebSocket relay —
+        // never over the DataChannel. This is true even after the p2p connection is
+        // established (renegotiation, new-stream ICE candidates, etc.). The DataChannel
+        // does not exist yet when the first offer/answer exchange happens, and may not
+        // be the right path for out-of-band signaling later either.
+        const forceWS = pack.type === ':rtcpack:';
+
+        const p2pOpen = !forceWS && this.peerConnection && this.rtc?.active;
+
+        const channel = (p2pOpen && serverOpen)
+            ? (this.primaryChannel === 'websocket' ? 'websocket' : 'datachannel')
+            : 'websocket';
 
         if (channel === 'websocket') {
-            if (!this.mwse.writable) {
+            if (!serverOpen) return;
+            if (!this.mwse.writable && !forceWS) {
                 console.warn('MWSE: socket is not writable');
                 return;
             }
             // WOM — no waiter registered; the engine returns nil for pack/to (#33).
             this.mwse.EventPooling.only({ type: 'pack/to', pack, to: this.socketId });
         } else {
-            if (pack.type !== ':rtcpack:') {
-                this.rtc?.sendMessage(pack);
-            } else {
-                console.warn('MWSE: cannot send :rtcpack: over data channel');
-            }
+            this.rtc?.sendMessage(pack);
         }
     }
 
diff --git a/sdk/index.js b/sdk/index.js
index a97e7ad..255501b 100644
--- a/sdk/index.js
+++ b/sdk/index.js
@@ -234,7 +234,11 @@ export default class MWSE {
         });
 
         ep.signal('peer/disconnect', ({ id }) => {
-            this.peer(id, true).emit('disconnect');
+            const peer = this.peer(id, true);
+            this.pairs.delete(id);
+            peer.emit('disconnect');
+            // me üzerinden de yay, Studio dinleyebilsin.
+            this.peer('me').emit('peer/disconnect', peer);
         });
 
         ep.signal('accepted/pair', ({ from, info }) => {