Add Wormhole auto-kill so Interface 5 can be claimed

Cable autorun holds IF5; kill on launch/connect and via GUI button/CLI.

Co-authored-by: Cursor <cursoragent@cursor.com>

juc500_xfer/static/app.js

@@ -450,6 +450,47 @@ function updateBadge(connected, text) {
   badge.className = connected ? "auto-badge ok" : "auto-badge wait";
 }
 
+function updateWormholeUI(info) {
+  const badge = $("wormholeBadge");
+  const btn = $("killWormholeBtn");
+  if (!badge) return;
+  if (!info) {
+    badge.textContent = "Wormhole —";
+    badge.className = "auto-badge wait";
+    return;
+  }
+  if (info.running) {
+    badge.textContent = `Wormhole ${info.count}개 실행중`;
+    badge.className = "auto-badge wait";
+    badge.title = (info.processes || [])
+      .map((p) => `${p.name} (${p.pid})`)
+      .join("\n") || info.message || "";
+    if (btn) btn.disabled = false;
+  } else {
+    badge.textContent = "Wormhole 없음";
+    badge.className = "auto-badge ok";
+    badge.title = info.message || "공식 Wormhole 프로세스 없음";
+    if (btn) btn.disabled = false;
+  }
+}
+
+async function killWormhole() {
+  setStatus("공식 Wormhole 종료 중…");
+  try {
+    const data = await api("/api/wormhole/kill", { method: "POST" });
+    updateWormholeUI({
+      running: (data.remaining || []).length > 0,
+      count: (data.remaining || []).length,
+      processes: data.remaining || [],
+      message: data.message,
+    });
+    setStatus(data.message || "Wormhole 종료 완료");
+    await refreshStatus();
+  } catch (e) {
+    setStatus(e.message || String(e), true);
+  }
+}
+
 function sortEntries(entries, sort) {
   const dir = sort.dir;
   const key = sort.key;
@@ -503,6 +544,7 @@ async function refreshStatus() {
   if (s.local_root) $("localRootHint").textContent = s.local_root;
 
   updateInputShareUI(s.inputshare);
+  updateWormholeUI(s.wormhole);
 
   if (state.connected) {
     updateBadge(true, "연결됨");
@@ -536,8 +578,8 @@ async function connectOneClick() {
   state.connecting = true;
   $("connectBtn").disabled = true;
   updateBadge(false, "연결 중…");
-  setStatus("상대 JUC500 프로그램 대기 중…");
-  $("peerInfo").textContent = "USB 핸드셰이크 중… 상대에서도 GUI를 실행하세요";
+  setStatus("공식 Wormhole 종료 후 상대 프로그램 대기 중…");
+  $("peerInfo").textContent = "Wormhole 정리 · USB 핸드셰이크 중…";
 
   try {
     const data = await api("/api/connect/auto", { method: "POST" });
@@ -1099,6 +1141,9 @@ function bindSort(prefix, getSort, setSort, rerender) {
 function bindUi() {
   $("connectBtn").onclick = () => connectOneClick();
   $("disconnectBtn").onclick = () => disconnect().catch((e) => setStatus(e.message, true));
+  if ($("killWormholeBtn")) {
+    $("killWormholeBtn").onclick = () => killWormhole();
+  }
   $("upBtn").onclick = () => goUp().catch((e) => setStatus(e.message, true));
   $("refreshBtn").onclick = () => {
     if (!state.connected) {