diff --git a/neode-ui/src/stores/mesh.ts b/neode-ui/src/stores/mesh.ts
index 5ae38b5c..634904c0 100644
--- a/neode-ui/src/stores/mesh.ts
+++ b/neode-ui/src/stores/mesh.ts
@@ -42,6 +42,11 @@ export type MeshMessageTypeLabel =
   | 'psbt_hash'
   | 'coordinate'
   | 'block_header'
+  | 'tx_relay'
+  | 'tx_relay_response'
+  | 'tx_confirmation'
+  | 'lightning_relay'
+  | 'lightning_relay_response'
 
 export interface MeshMessage {
   id: number
diff --git a/neode-ui/src/views/Mesh.vue b/neode-ui/src/views/Mesh.vue
index bf50dd3a..9d59fe18 100644
--- a/neode-ui/src/views/Mesh.vue
+++ b/neode-ui/src/views/Mesh.vue
@@ -97,11 +97,20 @@ async function sendArchMessage() {
   sendingArch.value = true
   try {
     const nodes = await rpcClient.federationListNodes()
+    // Get our own onion address to skip sending to self
+    let selfOnion: string | null = null
+    try {
+      const tor = await rpcClient.getTorAddress()
+      selfOnion = tor.tor_address
+    } catch { /* non-fatal */ }
     const msg = messageText.value.trim()
     let sent = 0
     for (const node of nodes.nodes) {
+      const nodeOnion = node.onion || node.did
+      // Skip sending to ourselves (would create duplicate received message)
+      if (selfOnion && (nodeOnion === selfOnion || nodeOnion === selfOnion.replace('.onion', '') || selfOnion === nodeOnion + '.onion')) continue
       try {
-        await rpcClient.sendMessageToPeer(node.onion || node.did, msg)
+        await rpcClient.sendMessageToPeer(nodeOnion, msg)
         sent++
       } catch { /* some peers may be offline */ }
     }
@@ -109,7 +118,7 @@ async function sendArchMessage() {
       await rpcClient.call({ method: 'node-store-sent', params: { message: msg } })
     } catch { /* non-fatal */ }
     messageText.value = ''
-    if (sent === 0) sendError.value = 'No peers reachable — message may arrive when they come online'
+    if (sent === 0 && nodes.nodes.length <= 1) sendError.value = 'No other peers in federation — add nodes first'
     await loadArchMessages()
   } catch (e) {
     sendError.value = e instanceof Error ? e.message : 'Send failed'
@@ -217,7 +226,7 @@ const chatMessages = computed(() => {
       } else if (m.from_name) {
         peerName = m.from_name
       } else if (fedNodeNames.value[m.from_pubkey]) {
-        peerName = fedNodeNames.value[m.from_pubkey]
+        peerName = fedNodeNames.value[m.from_pubkey]!
       } else {
         peerName = m.from_pubkey.slice(0, 12) + '...'
       }
@@ -642,6 +651,46 @@ function truncatePubkey(hex: string | null): string {
                     <span class="mesh-typed-icon">&#x26D3;</span>
                     <span class="mesh-typed-label">{{ msg.typed_payload.message || msg.plaintext }}</span>
                   </div>
+                  <!-- TX relay request -->
+                  <div v-else-if="msg.message_type === 'tx_relay' && msg.typed_payload" class="mesh-typed-block">
+                    <span class="mesh-typed-icon">&#x21AA;</span>
+                    <span class="mesh-typed-label">TX relay #{{ msg.typed_payload.request_id }} ({{ (msg.typed_payload.tx_hex || '').length }} hex chars)</span>
+                  </div>
+                  <!-- TX relay response -->
+                  <div v-else-if="msg.message_type === 'tx_relay_response' && msg.typed_payload" class="mesh-typed-block">
+                    <span class="mesh-typed-icon">{{ msg.typed_payload.txid ? '&#x2705;' : '&#x274C;' }}</span>
+                    <span class="mesh-typed-label">
+                      <template v-if="msg.typed_payload.txid">Broadcast #{{ msg.typed_payload.request_id }}: {{ String(msg.typed_payload.txid).substring(0, 12) }}…</template>
+                      <template v-else>TX relay failed #{{ msg.typed_payload.request_id }}: {{ msg.typed_payload.error || 'unknown' }}</template>
+                    </span>
+                  </div>
+                  <!-- TX confirmation -->
+                  <div v-else-if="msg.message_type === 'tx_confirmation' && msg.typed_payload" class="mesh-typed-block">
+                    <span class="mesh-typed-icon">&#x26D3;</span>
+                    <span class="mesh-typed-label">{{ msg.typed_payload.confirmations }} conf @ block {{ msg.typed_payload.block_height }} — {{ String(msg.typed_payload.txid || '').substring(0, 12) }}…</span>
+                  </div>
+                  <!-- Lightning relay request -->
+                  <div v-else-if="msg.message_type === 'lightning_relay' && msg.typed_payload" class="mesh-typed-invoice">
+                    <div class="mesh-typed-invoice-header">
+                      <span class="mesh-typed-icon">&#x26A1;</span>
+                      <span class="mesh-typed-label">Lightning Relay Request</span>
+                    </div>
+                    <div class="mesh-typed-invoice-amount">{{ (msg.typed_payload.amount_sats || 0).toLocaleString() }} sats</div>
+                    <div class="mesh-typed-invoice-bolt11">{{ (msg.typed_payload.bolt11 || '').substring(0, 40) }}…</div>
+                  </div>
+                  <!-- Lightning relay response -->
+                  <div v-else-if="msg.message_type === 'lightning_relay_response' && msg.typed_payload" class="mesh-typed-invoice">
+                    <div class="mesh-typed-invoice-header">
+                      <span class="mesh-typed-icon">{{ msg.typed_payload.preimage ? '&#x2705;' : '&#x274C;' }}</span>
+                      <span class="mesh-typed-label">
+                        <template v-if="msg.typed_payload.preimage">Lightning Paid</template>
+                        <template v-else>Lightning Failed</template>
+                      </span>
+                    </div>
+                    <div v-if="msg.typed_payload.payment_hash" class="mesh-typed-invoice-bolt11">hash: {{ String(msg.typed_payload.payment_hash).substring(0, 20) }}…</div>
+                    <div v-if="msg.typed_payload.preimage" class="mesh-typed-invoice-bolt11">preimage: {{ String(msg.typed_payload.preimage).substring(0, 20) }}…</div>
+                    <div v-if="msg.typed_payload.error" class="mesh-typed-invoice-memo">{{ msg.typed_payload.error }}</div>
+                  </div>
                   <!-- Default: plain text -->
                   <div v-else class="mesh-chat-bubble-text">{{ msg.plaintext }}</div>
                   <div class="mesh-chat-bubble-meta">