From 08bf5e9caf48a4a1c49d126bfeabad2b8b5855f6 Mon Sep 17 00:00:00 2001
From: NineKey <ninekey1028@gmail.com>
Date: Sun, 13 Sep 2026 00:03:32 +0800
Subject: [PATCH] Clamp runaway Dynamic Tag node height

---
 web/dynamic_loader.js |  5 +----
 web/dynamic_utils.js  | 23 ++++++++++++++++++++---
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/web/dynamic_loader.js b/web/dynamic_loader.js
index 2ce0442..acb6196 100644
--- a/web/dynamic_loader.js
+++ b/web/dynamic_loader.js
@@ -1019,14 +1019,11 @@ app.registerExtension({
                                     }
                                 });
 
-                                requestAnimationFrame(() => {
-                                    node.triggerAutoSize();
-                                });
-
                             } catch (e) {
                                 console.error("Error restoring tags:", e);
                             }
                         }
+                        requestAnimationFrame(() => node.triggerAutoSize());
                     });
 
                 return r;
diff --git a/web/dynamic_utils.js b/web/dynamic_utils.js
index 46acec3..5b7325a 100644
--- a/web/dynamic_utils.js
+++ b/web/dynamic_utils.js
@@ -59,6 +59,9 @@ export function getDynamicGroupMenu(index, totalLength, moveCallback, moveAbsCal
  * 2. 防止新增項目時擠壓現有組件 (Growth Logic)
  */
 export function setupSizeManager(node) {
+    const MAX_RESTORED_EXTRA_HEIGHT = 480;
+    const MAX_RESTORED_HEIGHT = 900;
+    const initialMinHeight = node.computeSize?.()[1] || 0;
     node._userMinHeight = 0;
     node._isResizing = false;
 
@@ -67,7 +70,15 @@ export function setupSizeManager(node) {
     node.onConfigure = function(data) {
         if (originalOnConfigure) originalOnConfigure.apply(this, arguments);
         if (data && data.size) {
-            node._userMinHeight = data.size[1];
+            const restoredHeight = data.size[1];
+            const runawayHeight = restoredHeight > MAX_RESTORED_HEIGHT
+                && restoredHeight > initialMinHeight + MAX_RESTORED_EXTRA_HEIGHT;
+            node._userMinHeight = runawayHeight ? 0 : restoredHeight;
+            if (runawayHeight) {
+                node._isResizing = true;
+                node.setSize([node.size[0], initialMinHeight]);
+                node._isResizing = false;
+            }
         }
     };
 
@@ -133,7 +144,13 @@ export function setupSizeManager(node) {
      */
     node.triggerAutoSize = function() {
         const contentMinHeight = node.computeSize()[1];
-        const targetHeight = Math.max(contentMinHeight, node._userMinHeight || 0);
+        const restoredHeight = node._userMinHeight || 0;
+        const runawayHeight = restoredHeight > MAX_RESTORED_HEIGHT
+            && restoredHeight > contentMinHeight + MAX_RESTORED_EXTRA_HEIGHT;
+        const targetHeight = runawayHeight
+            ? contentMinHeight
+            : Math.max(contentMinHeight, restoredHeight);
+        if (runawayHeight) node._userMinHeight = targetHeight;
         
         node._isResizing = true;
         node.setSize([node.size[0], targetHeight]);
@@ -141,4 +158,4 @@ export function setupSizeManager(node) {
         
         node.setDirtyCanvas(true, true);
     };
-}
\ No newline at end of file
+}