Release 1.6.1: fix subscription button stuck disabled and improve import parsing.

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

internal/appui/index.html

@@ -555,6 +555,7 @@
     let formHydrated = false;
     let dirty = false;
     let profiles = [];
+    let metaHoldUntil = 0;
 
     function markDirty() { dirty = true; }
     [
@@ -571,6 +572,7 @@
     function setMeta(text, kind) {
       meta.textContent = text || "";
       meta.style.color = kind === "err" ? "var(--danger)" : kind === "ok" ? "var(--accent)" : "var(--muted)";
+      if (kind === "ok" || kind === "err") metaHoldUntil = Date.now() + 8000;
     }
 
     function fillProfiles(list, active) {
@@ -640,6 +642,8 @@
       pingBtn.disabled = busy;
       updCheckBtn.disabled = busy;
       updateBtn.disabled = busy;
+      subBtn.disabled = busy;
+      subUrl.disabled = busy;
       btn.disabled = busy;
 
       fillProfiles(state.profiles || [], state.active_profile || state.profile);
@@ -670,7 +674,10 @@
       } else {
         detail = "Вставьте ссылку naive или hysteria2://";
       }
-      if (!busy) setMeta(detail, state.core_ready === false ? "err" : "");
+      if (!busy && Date.now() > metaHoldUntil) {
+        setMeta(detail, state.core_ready === false ? "err" : "");
+        metaHoldUntil = 0;
+      }
     }
 
     async function refresh(opts) {
@@ -682,7 +689,7 @@
     async function withBusy(fn) {
       if (busy) return;
       busy = true;
-      [btn, coreBtn, saveBtn, addBtn, delBtn, profile, pingBtn, updCheckBtn, updateBtn, subBtn].forEach((b) => { if (b) b.disabled = true; });
+      paintButtonsLocked(true);
       try {
         await fn();
       } finally {
@@ -691,11 +698,17 @@
           await refresh({ syncForm: true });
         } catch (e) {
           setMeta(String(e), "err");
-          [btn, coreBtn, saveBtn, addBtn, delBtn, profile, pingBtn, updCheckBtn, updateBtn, subBtn].forEach((b) => { if (b) b.disabled = false; });
+          paintButtonsLocked(false);
         }
       }
     }
 
+    function paintButtonsLocked(locked) {
+      [btn, coreBtn, saveBtn, addBtn, delBtn, profile, pingBtn, updCheckBtn, updateBtn, subBtn, subUrl].forEach((b) => {
+        if (b) b.disabled = locked;
+      });
+    }
+
     profile.addEventListener("change", () => withBusy(async () => {
       await selectProfile(profile.value);
       dirty = false;
@@ -780,15 +793,30 @@
     shopBtn.addEventListener("click", openShop);
     shopLink.addEventListener("click", openShop);
 
+    async function runImportSubscription() {
+      const url = subUrl.value.trim();
+      if (!url) {
+        setMeta("Вставьте URL подписки", "err");
+        return;
+      }
+      setMeta("Загрузка подписки…");
+      const n = await importSubscription(url);
+      formHydrated = false;
+      dirty = false;
+      setMeta("Импортировано профилей: " + n, "ok");
+    }
+
     subBtn.addEventListener("click", () => withBusy(async () => {
       try {
-        setMeta("Загрузка подписки…");
-        const n = await importSubscription(subUrl.value.trim());
-        formHydrated = false;
-        dirty = false;
-        setMeta("Импортировано профилей: " + n, "ok");
+        await runImportSubscription();
       } catch (e) { setMeta(String(e), "err"); }
     }));
+    subUrl.addEventListener("keydown", (e) => {
+      if (e.key === "Enter") {
+        e.preventDefault();
+        subBtn.click();
+      }
+    });
 
     pingBtn.addEventListener("click", () => withBusy(async () => {
       try {