copy: unify Zeus channel text — Olympus node + on-chain sats limits

All Zeus channel surfaces now read: "Open a channel with Zeus Olympus
node and start sending and receiving Lightning payments. Minimum
150,000 · maximum 1,500,000 on-chain sats required."

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

neode-ui/src/views/GoalDetail.vue

@@ -125,7 +125,7 @@
                             {{ walletOnchainSats.toLocaleString() }} sats
                           </span>
                         </div>
-                        <p class="text-xs text-white/45 mt-1">Zeus channels need 150,000–1,500,000 sats.</p>
+                        <p class="text-xs text-white/45 mt-1">Minimum 150,000 · maximum 1,500,000 on-chain sats required.</p>
                       </div>
                       <div class="flex flex-wrap gap-2">
                         <button
@@ -205,7 +205,7 @@
     <!-- Fund-wallet receive modal (on-chain address + QR, Zeus limits noted) -->
     <ReceiveBitcoinModal
       :show="showFundModal"
-      note="Fund your Lightning channel: Zeus channels need a minimum of 150,000 and a maximum of 1,500,000 sats."
+      note="Fund your Lightning channel: minimum 150,000 · maximum 1,500,000 on-chain sats required."
       auto-generate
       @close="showFundModal = false"
     />