Changes before error encountered

Co-authored-by: kobenguyent <7845001+kobenguyent@users.noreply.github.com>

Author: Copilot

lib/container.js

@@ -22,6 +22,7 @@ let container = {
   helpers: {},
   support: {},
   proxySupport: {},
+  proxySupportConfig: {}, // Track config used to create proxySupport
   plugins: {},
   actor: null,
   /**
@@ -67,7 +68,8 @@ class Container {
     container.support = {}
     container.helpers = await createHelpers(config.helpers || {})
     container.translation = await loadTranslation(config.translation || null, config.vocabularies || [])
-    container.proxySupport = createSupportObjects(config.include || {})
+    container.proxySupportConfig = config.include || {}
+    container.proxySupport = createSupportObjects(container.proxySupportConfig)
     container.plugins = await createPlugins(config.plugins || {}, opts)
     container.result = new Result()
 
@@ -207,8 +209,10 @@ class Container {
 
     // If new support objects are added, update the proxy support
     if (newContainer.support) {
-      const newProxySupport = createSupportObjects(newContainer.support)
-      container.proxySupport = { ...container.proxySupport, ...newProxySupport }
+      // Merge the new support config with existing config
+      container.proxySupportConfig = { ...container.proxySupportConfig, ...newContainer.support }
+      // Recreate the proxy with merged config
+      container.proxySupport = createSupportObjects(container.proxySupportConfig)
     }
 
     debug('appended', JSON.stringify(newContainer).slice(0, 300))
@@ -224,6 +228,7 @@ class Container {
   static async clear(newHelpers = {}, newSupport = {}, newPlugins = {}) {
     container.helpers = newHelpers
     container.translation = await loadTranslation()
+    container.proxySupportConfig = newSupport
     container.proxySupport = createSupportObjects(newSupport)
     container.plugins = newPlugins
     container.sharedKeys = new Set() // Clear shared keys