Move ERC-20 warning from address-token view to receive/QR view

The warning about only sending ERC-20 tokens on the Ethereum network
belongs on the receive page where the QR code is shown, not on the
token detail view. Non-token receive flows hide the warning.

src/popup/index.html

@@ -366,12 +366,6 @@
                     </button>
                 </div>
 
-                <!-- ERC-20 warning -->
-                <div
-                    id="address-token-erc20-warning"
-                    class="text-xs border border-border border-dashed p-2 mb-3 hidden"
-                ></div>
-
                 <!-- token-filtered transactions -->
                 <div class="mt-3">
                     <div class="border-b border-border pb-1 mb-1">
@@ -549,6 +543,10 @@
                 >
                     Copy address
                 </button>
+                <div
+                    id="receive-erc20-warning"
+                    class="text-xs border border-border border-dashed p-2 mt-3 hidden"
+                ></div>
             </div>
 
             <!-- ============ ADD TOKEN ============ -->

src/popup/views/addressDetail.js

@@ -325,6 +325,7 @@ function init(_ctx) {
                 color: { dark: "#000000", light: "#ffffff" },
             });
         }
+        $("receive-erc20-warning").classList.add("hidden");
         showView("receive");
     });
 

src/popup/views/addressToken.js

@@ -78,6 +78,7 @@ function timeAgo(timestamp) {
 
 let loadedTxs = [];
 let ensNameMap = new Map();
+let currentSymbol = null;
 
 function show() {
     const wallet = state.wallets[state.selectedWallet];
@@ -100,6 +101,8 @@ function show() {
         price = getPrice(symbol);
     }
 
+    currentSymbol = symbol;
+
     $("address-token-title").textContent =
         wallet.name + " \u2014 Address " + (ai + 1) + " \u2014 " + symbol;
 
@@ -129,18 +132,6 @@ function show() {
     // Single token balance line (no tokenId — not clickable here)
     $("address-token-balance").innerHTML = balanceLine(symbol, amount, price);
 
-    // ERC-20 warning
-    const warningEl = $("address-token-erc20-warning");
-    if (tokenId !== "ETH") {
-        warningEl.textContent =
-            "This is an ERC-20 token. Only send " +
-            symbol +
-            " on the Ethereum network to this address. Sending tokens on other networks will result in permanent loss.";
-        warningEl.classList.remove("hidden");
-    } else {
-        warningEl.classList.add("hidden");
-    }
-
     // Transactions
     $("address-token-tx-list").innerHTML =
         '<div class="text-muted text-xs py-1">Loading...</div>';
@@ -363,6 +354,16 @@ function init(ctx) {
                 color: { dark: "#000000", light: "#ffffff" },
             });
         }
+        const warningEl = $("receive-erc20-warning");
+        if (state.selectedToken && state.selectedToken !== "ETH") {
+            warningEl.textContent =
+                "This is an ERC-20 token. Only send " +
+                currentSymbol +
+                " on the Ethereum network to this address. Sending tokens on other networks will result in permanent loss.";
+            warningEl.classList.remove("hidden");
+        } else {
+            warningEl.classList.add("hidden");
+        }
         showView("receive");
     });
 }

src/popup/views/home.js

@@ -424,6 +424,7 @@ function init(ctx) {
                 color: { dark: "#000000", light: "#ffffff" },
             });
         }
+        $("receive-erc20-warning").classList.add("hidden");
         showView("receive");
     });
 }