diff --git a/templates/partials/modes/meshcore.html b/templates/partials/modes/meshcore.html
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+{# Meshcore Mode Partial #}
+<div id="meshcoreMode" class="mode-content" style="display:none; flex-direction: row; height: 100%;">
+
+  {# ── Sidebar ── #}
+  <div class="meshcore-sidebar">
+
+    {# Connection section #}
+    <div class="meshcore-sidebar-section">
+      <h4>Connection</h4>
+      <div id="meshcoreStatusBar" style="display:flex;align-items:center;font-size:12px;margin-bottom:8px;">
+        <span class="meshcore-status-dot" id="meshcoreStatusDot"></span>
+        <span id="meshcoreStatusText">Disconnected</span>
+      </div>
+
+      {# Transport selector #}
+      <div class="meshcore-transport-tabs" id="meshcoreTransportTabs">
+        <div class="meshcore-transport-tab active" data-transport="serial" onclick="MeshCore.selectTransport('serial')">Serial</div>
+        <div class="meshcore-transport-tab" data-transport="tcp" onclick="MeshCore.selectTransport('tcp')">TCP</div>
+        <div class="meshcore-transport-tab" data-transport="ble" onclick="MeshCore.selectTransport('ble')">BLE</div>
+      </div>
+
+      {# Serial config #}
+      <div id="meshcoreSerialConfig">
+        <select id="meshcorePortSelect" style="width:100%;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px;font-size:12px;border-radius:3px;margin-bottom:6px;">
+          <option value="">Auto-detect</option>
+        </select>
+      </div>
+
+      {# TCP config #}
+      <div id="meshcoreTcpConfig" style="display:none;">
+        <input id="meshcoreTcpHost" type="text" placeholder="Host / IP" value="localhost"
+               style="width:100%;box-sizing:border-box;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 6px;font-size:12px;border-radius:3px;margin-bottom:4px;">
+        <input id="meshcoreTcpPort" type="number" placeholder="Port" value="5000"
+               style="width:100%;box-sizing:border-box;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 6px;font-size:12px;border-radius:3px;">
+      </div>
+
+      {# BLE config #}
+      <div id="meshcoreBleConfig" style="display:none;">
+        <select id="meshcoreBleSelect" style="width:100%;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px;font-size:12px;border-radius:3px;margin-bottom:4px;">
+          <option value="">Scan for devices...</option>
+        </select>
+        <button class="preset-btn" onclick="MeshCore.scanBle()" style="width:100%;font-size:11px;">Scan BLE</button>
+      </div>
+
+      <div style="display:flex;gap:6px;margin-top:8px;">
+        <button class="run-btn" id="meshcoreConnectBtn" onclick="MeshCore.connect()" style="flex:1;font-size:12px;">Connect</button>
+        <button class="preset-btn" id="meshcoreDisconnectBtn" onclick="MeshCore.disconnect()" style="flex:1;font-size:12px;" disabled>Disconnect</button>
+      </div>
+    </div>
+
+    {# Contacts section #}
+    <div class="meshcore-sidebar-section">
+      <h4>Contacts <button onclick="MeshCore.showAddContact()" style="float:right;background:none;border:none;color:var(--accent-cyan);cursor:pointer;font-size:14px;padding:0;line-height:1;">+</button></h4>
+      <div id="meshcoreContactList" style="max-height:120px;overflow-y:auto;">
+        <div style="font-size:11px;color:var(--text-muted);">No contacts</div>
+      </div>
+    </div>
+
+    {# Nodes section #}
+    <div class="meshcore-sidebar-section" style="flex:1;overflow-y:auto;">
+      <h4>Nodes</h4>
+      <div id="meshcoreNodeList">
+        <div style="font-size:11px;color:var(--text-muted);">No nodes seen</div>
+      </div>
+    </div>
+
+  </div>{# /sidebar #}
+
+  {# ── Main content ── #}
+  <div class="meshcore-main">
+
+    {# Tab bar #}
+    <div class="meshcore-tabs">
+      <div class="meshcore-tab active" data-tab="messages" onclick="MeshCore.switchTab('messages')">Messages</div>
+      <div class="meshcore-tab" data-tab="map" onclick="MeshCore.switchTab('map')">Map</div>
+      <div class="meshcore-tab" data-tab="repeaters" onclick="MeshCore.switchTab('repeaters')">Repeaters</div>
+      <div class="meshcore-tab" data-tab="telemetry" onclick="MeshCore.switchTab('telemetry')">Telemetry</div>
+    </div>
+
+    {# Messages tab #}
+    <div class="meshcore-tab-panel active" id="meshcoreTabMessages">
+      <div class="meshcore-messages" id="meshcoreMessageFeed">
+        <div style="text-align:center;color:var(--text-muted);font-size:12px;padding:24px;">
+          Connect to a Meshcore device to see messages
+        </div>
+      </div>
+      <div class="meshcore-compose">
+        <select id="meshcoreRecipientSelect" style="background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:6px;font-size:12px;border-radius:4px;width:140px;">
+          <option value="BROADCAST">Broadcast</option>
+        </select>
+        <input id="meshcoreComposeInput" type="text" placeholder="Type a message (max 237 chars)..." maxlength="237"
+               onkeydown="if(event.key==='Enter')MeshCore.sendMessage()">
+        <button class="run-btn" onclick="MeshCore.sendMessage()" style="white-space:nowrap;">Send</button>
+      </div>
+    </div>
+
+    {# Map tab #}
+    <div class="meshcore-tab-panel" id="meshcoreTabMap">
+      <div id="meshcoreMap"></div>
+    </div>
+
+    {# Repeaters tab #}
+    <div class="meshcore-tab-panel" id="meshcoreTabRepeaters" style="overflow-y:auto;padding:12px;">
+      <table class="meshcore-repeater-table">
+        <thead>
+          <tr>
+            <th>Name</th><th>Node ID</th><th>Hops</th><th>SNR</th><th>Battery</th><th>Last Seen</th>
+          </tr>
+        </thead>
+        <tbody id="meshcoreRepeaterTableBody">
+          <tr><td colspan="6" style="color:var(--text-muted);text-align:center;padding:16px;">No repeaters detected</td></tr>
+        </tbody>
+      </table>
+    </div>
+
+    {# Telemetry tab #}
+    <div class="meshcore-tab-panel" id="meshcoreTabTelemetry" style="padding:12px;overflow-y:auto;">
+      <div style="margin-bottom:8px;">
+        <label style="font-size:12px;color:var(--text-muted);">Node: </label>
+        <select id="meshcoreTelemetryNodeSelect" onchange="MeshCore.loadTelemetry(this.value)"
+                style="background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px;font-size:12px;border-radius:3px;">
+          <option value="">Select a node</option>
+        </select>
+      </div>
+      <canvas id="meshcoreTelemetryChart" style="max-height:300px;"></canvas>
+    </div>
+
+  </div>{# /main #}
+
+</div>{# /meshcoreMode #}
+
+{# ── Add Contact Modal ── #}
+<div id="meshcoreAddContactModal" class="signal-details-modal" style="display:none;">
+  <div class="signal-details-modal-backdrop" onclick="MeshCore.closeAddContact()"></div>
+  <div class="signal-details-modal-content" style="max-width:400px;">
+    <div class="signal-details-modal-header">
+      <h3>Add Contact</h3>
+      <button class="signal-details-modal-close" onclick="MeshCore.closeAddContact()">&times;</button>
+    </div>
+    <div class="signal-details-modal-body" style="display:flex;flex-direction:column;gap:10px;">
+      <div>
+        <label style="font-size:11px;color:var(--text-muted);display:block;margin-bottom:3px;">Node ID</label>
+        <input id="meshcoreContactNodeId" type="text" placeholder="e.g. NODE001" class="mock-input" style="width:100%;box-sizing:border-box;">
+      </div>
+      <div>
+        <label style="font-size:11px;color:var(--text-muted);display:block;margin-bottom:3px;">Name</label>
+        <input id="meshcoreContactName" type="text" placeholder="Display name" class="mock-input" style="width:100%;box-sizing:border-box;">
+      </div>
+      <div>
+        <label style="font-size:11px;color:var(--text-muted);display:block;margin-bottom:3px;">Public Key</label>
+        <input id="meshcoreContactKey" type="text" placeholder="Base64 public key" class="mock-input" style="width:100%;box-sizing:border-box;font-family:var(--font-mono);font-size:11px;">
+      </div>
+    </div>
+    <div class="signal-details-modal-footer" style="display:flex;gap:8px;">
+      <button class="preset-btn" onclick="MeshCore.closeAddContact()" style="flex:1;">Cancel</button>
+      <button class="run-btn" onclick="MeshCore.saveContact()" style="flex:1;">Add Contact</button>
+    </div>
+  </div>
+</div>
+
+{# ── Traceroute Modal ── #}
+<div id="meshcoreTracerouteModal" class="signal-details-modal" style="display:none;">
+  <div class="signal-details-modal-backdrop" onclick="MeshCore.closeTraceroute()"></div>
+  <div class="signal-details-modal-content" style="max-width:600px;">
+    <div class="signal-details-modal-header">
+      <h3>Traceroute Result</h3>
+      <button class="signal-details-modal-close" onclick="MeshCore.closeTraceroute()">&times;</button>
+    </div>
+    <div class="signal-details-modal-body">
+      <div class="meshcore-traceroute-hops" id="meshcoreTracerouteHops"></div>
+    </div>
+  </div>
+</div>