fix: make token contract display on confirm-tx consistent with other views

Add color dot (addressDotHtml), dashed underline styling, and click-to-copy
functionality to the token contract address on the confirm-tx page, matching
the display pattern used in addressToken, txStatus, and other views.

Closes #70

src/popup/views/confirmTx.js

@@ -14,6 +14,7 @@ const {
     showError,
     hideError,
     showView,
+    showFlash,
     addressTitle,
     addressDotHtml,
     escapeHtml,
@@ -95,11 +96,22 @@ function show(txInfo) {
     // Token contract section (ERC-20 only)
     const tokenSection = $("confirm-token-section");
     if (isErc20) {
+        const dot = addressDotHtml(txInfo.token);
         const link = etherscanTokenLink(txInfo.token);
         $("confirm-token-contract").innerHTML =
-            escapeHtml(txInfo.token) +
+            `<div class="flex items-center">${dot}` +
-            ` <a href="${link}" target="_blank" rel="noopener" class="inline-flex items-center">${EXT_ICON}</a>`;
+            `<span class="break-all underline decoration-dashed cursor-pointer" data-copy="${escapeHtml(txInfo.token)}">${escapeHtml(txInfo.token)}</span>` +
+            `<a href="${link}" target="_blank" rel="noopener" class="inline-flex items-center">${EXT_ICON}</a>` +
+            `</div>`;
         tokenSection.classList.remove("hidden");
+        // Attach click-to-copy on the contract address
+        const copyEl = tokenSection.querySelector("[data-copy]");
+        if (copyEl) {
+            copyEl.onclick = () => {
+                navigator.clipboard.writeText(copyEl.dataset.copy);
+                showFlash("Copied!");
+            };
+        }
     } else {
         tokenSection.classList.add("hidden");
     }

src/shared/transactions.js

@@ -153,14 +153,9 @@ async function fetchRecentTransactions(address, blockscoutUrl, count = 25) {
 
     // When a token transfer shares a hash with a normal tx, the normal tx
     // is the contract call (0 ETH) and the token transfer has the real
-    // amount and symbol. Preserve contract call metadata (direction, label,
+    // amount and symbol. Replace the normal tx with the token transfer,
-    // method) so swaps and other contract interactions display correctly.
+    // but preserve contract call metadata (direction, label, method) so
-    //
+    // swaps and other contract interactions display correctly.
-    // A single tx hash can produce multiple token transfers (e.g. a swap
-    // sends token A and receives token B). Use a composite key
-    // (hash:contractAddress) so every transfer is preserved. The original
-    // normal-tx entry (keyed by bare hash) is removed when at least one
-    // token transfer replaces it.
     for (const tt of ttJson.items || []) {
         const parsed = parseTokenTransfer(tt, addrLower);
         const existing = txsByHash.get(parsed.hash);
@@ -169,12 +164,8 @@ async function fetchRecentTransactions(address, blockscoutUrl, count = 25) {
             parsed.directionLabel = existing.directionLabel;
             parsed.isContractCall = true;
             parsed.method = existing.method;
-            // Remove the bare-hash normal tx so it isn't duplicated
-            txsByHash.delete(parsed.hash);
         }
-        // Use composite key so multiple token transfers per tx are kept
+        txsByHash.set(parsed.hash, parsed);
-        const compositeKey = parsed.hash + ":" + (parsed.contractAddress || "");
-        txsByHash.set(compositeKey, parsed);
     }
 
     const txs = [...txsByHash.values()];