From 846f3de525fcf85f068083d40486d6e2403b6b95 Mon Sep 17 00:00:00 2001
From: dekun <dekun@local>
Date: Sun, 26 Jul 2026 08:42:01 +0800
Subject: [PATCH] Keep transfer settings sub-tab after embed soft-reload of
 manual transfer.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 lib/common/static/instance_embed.js     | 58 +++++++++++++++++++++++--
 lib/instance/templates/embed_shell.html |  2 +-
 2 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/lib/common/static/instance_embed.js b/lib/common/static/instance_embed.js
index cfe57d8..2c88701 100644
--- a/lib/common/static/instance_embed.js
+++ b/lib/common/static/instance_embed.js
@@ -235,9 +235,57 @@
     const parts = [];
     if (qs) parts.push(qs);
     parts.push("embed=1");
+    if (tab === "settings") {
+      try {
+        const st = new URLSearchParams(location.search).get("settings_tab");
+        if (st) parts.push("settings_tab=" + encodeURIComponent(st));
+      } catch (_) {}
+    }
     return url + "?" + parts.join("&");
   }
 
+  function setSettingsSubTabInUrl(key) {
+    if (!key) return;
+    try {
+      const q = new URLSearchParams(location.search);
+      q.set("tab", "settings");
+      q.set("settings_tab", key);
+      q.set("embed", "1");
+      history.replaceState(null, "", "/embed?" + q.toString());
+    } catch (_) {}
+  }
+
+  function activateSettingsSubTab(key) {
+    if (!key) return;
+    setSettingsSubTabInUrl(key);
+    const pane = tabPanes.get("settings") || document;
+    const radio = pane.querySelector(
+      'input.env-tab-radio[data-settings-tab="' + key + '"]'
+    );
+    if (radio) radio.checked = true;
+  }
+
+  function formActionPath(form) {
+    try {
+      return new URL(form.action || "", location.href).pathname.replace(/\/$/, "") || "/";
+    } catch (_) {
+      return "";
+    }
+  }
+
+  function maybeKeepSettingsSubTabAfterForm(form) {
+    const path = formActionPath(form);
+    if (path === "/manual_transfer") {
+      setSettingsSubTabInUrl("transfer");
+      return "transfer";
+    }
+    if (path.indexOf("/api/options/transfer") >= 0 || path.indexOf("/api/options/cross-transfer") >= 0) {
+      setSettingsSubTabInUrl("options_transfer");
+      return "options_transfer";
+    }
+    return "";
+  }
+
   async function fetchTabHtml(tab) {
     const r = await fetch(embedPageUrl(tab), {
       credentials: "same-origin",
@@ -400,14 +448,15 @@
       }
     }
     const fd = new FormData(form);
+    const keepSub = maybeKeepSettingsSubTabAfterForm(form);
     return fetch(form.action, {
       method: form.method || "POST",
       body: fd,
       credentials: "same-origin",
       redirect: "manual",
     })
-      .then(() => reloadCurrentTab())
-      .catch(() => reloadCurrentTab());
+      .then(() => reloadCurrentTab().then(() => activateSettingsSubTab(keepSub)))
+      .catch(() => reloadCurrentTab().then(() => activateSettingsSubTab(keepSub)));
   }
 
   function patchApplyListWindow() {
@@ -466,14 +515,15 @@
         if (CUSTOM_SUBMIT_FORM_IDS.has(form.id)) return;
         ev.preventDefault();
         const fd = new FormData(form);
+        const keepSub = maybeKeepSettingsSubTabAfterForm(form);
         fetch(form.action, {
           method: form.method || "POST",
           body: fd,
           credentials: "same-origin",
           redirect: "manual",
         })
-          .then(() => reloadCurrentTab())
-          .catch(() => reloadCurrentTab());
+          .then(() => reloadCurrentTab().then(() => activateSettingsSubTab(keepSub)))
+          .catch(() => reloadCurrentTab().then(() => activateSettingsSubTab(keepSub)));
       },
       true
     );
diff --git a/lib/instance/templates/embed_shell.html b/lib/instance/templates/embed_shell.html
index f3e756f..e140d89 100644
--- a/lib/instance/templates/embed_shell.html
+++ b/lib/instance/templates/embed_shell.html
@@ -120,6 +120,6 @@ window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 </script>
 <script src="/static/instance_settings_prefs.js?v=15"></script>
 <script src="/static/instance_live.js?v=6"></script>
-<script src="/static/instance_embed.js?v=27"></script>
+<script src="/static/instance_embed.js?v=28"></script>
 </body>
 </html>