Harden signing hygiene and guard chat init crash

.gitignore

@@ -78,3 +78,9 @@ xcode-files
 .bsp/**
 /.claude/
 /buildbox/*
+
+# Local/private signing materials (keep fake-codesigning tracked)
+/.profiles/
+/codesigning/
+/build-system/real-codesigning/
+/build-system/local-codesigning/

submodules/TelegramUI/Sources/Chat/ChatControllerLoadDisplayNode.swift

@@ -861,7 +861,8 @@ extension ChatControllerImpl {
         
         self.reloadCachedData()
         
-        if self.context.sharedContext.immediateExperimentalUISettings.crashOnLongQueries {
+        if self.context.sharedContext.immediateExperimentalUISettings.crashOnLongQueries,
+           case .internal = self.context.sharedContext.applicationBindings.appBuildType {
             let _ = (self.ready.get()
             |> filter({ $0 })
             |> take(1)
@@ -1509,7 +1510,7 @@ extension ChatControllerImpl {
                                             guard let targetView = itemNode.targetReactionView(value: updatedReaction) else {
                                                 return
                                             }
-                                            if let reactionItem = reactionItem {
+                                            if let reactionItem = reactionItem, let controllerInteraction = strongSelf.controllerInteraction {
                                                 let standaloneReactionAnimation = StandaloneReactionAnimation(genericReactionEffect: strongSelf.chatDisplayNode.historyNode.takeGenericReactionEffect())
                                                 
                                                 strongSelf.chatDisplayNode.messageTransitionNode.addMessageStandaloneReactionAnimation(messageId: item.message.id, standaloneReactionAnimation: standaloneReactionAnimation)
@@ -1519,7 +1520,7 @@ extension ChatControllerImpl {
                                                 standaloneReactionAnimation.animateReactionSelection(
                                                     context: strongSelf.context,
                                                     theme: strongSelf.presentationData.theme,
-                                                    animationCache: strongSelf.controllerInteraction!.presentationContext.animationCache,
+                                                    animationCache: controllerInteraction.presentationContext.animationCache,
                                                     reaction: reactionItem,
                                                     avatarPeers: avatarPeers,
                                                     playHaptic: true,

submodules/TelegramUI/Sources/Chat/UpdateChatPresentationInterfaceState.swift

@@ -200,7 +200,9 @@ func updateChatPresentationInterfaceStateImpl(
     } else {
         isBot = false
     }
-    selfController.chatDisplayNode.historyNode.chatHasBots = updatedChatPresentationInterfaceState.hasBots || isBot
+    if selfController.isNodeLoaded {
+        selfController.chatDisplayNode.historyNode.chatHasBots = updatedChatPresentationInterfaceState.hasBots || isBot
+    }
     
     if let (updatedSearchQuerySuggestionState, updatedSearchQuerySuggestionSignal) = searchQuerySuggestionResultStateForChatInterfacePresentationState(updatedChatPresentationInterfaceState, context: selfController.context, currentQuery: selfController.searchQuerySuggestionState?.0) {
         selfController.searchQuerySuggestionState?.1.dispose()
@@ -444,11 +446,13 @@ func updateChatPresentationInterfaceStateImpl(
     
     selfController.updateSlowmodeStatus()
     
-    switch updatedChatPresentationInterfaceState.inputMode {
-    case .media:
-        break
-    default:
-        selfController.chatDisplayNode.collapseInput()
+    if selfController.isNodeLoaded {
+        switch updatedChatPresentationInterfaceState.inputMode {
+        case .media:
+            break
+        default:
+            selfController.chatDisplayNode.collapseInput()
+        }
     }
     
     selfController.tempHideAccessoryPanels = selfController.presentationInterfaceState.search != nil
@@ -559,7 +563,9 @@ func updateChatPresentationInterfaceStateImpl(
                 }
                 (selfController.navigationController as? NavigationController)?.updateMasterDetailsBlackout(isBlackout ? .master : nil, transition: transition)
             }
-            selfController.updateItemNodesSelectionStates(animated: transition.isAnimated)
+            if selfController.isNodeLoaded {
+                selfController.updateItemNodesSelectionStates(animated: transition.isAnimated)
+            }
         }
     }
     
@@ -583,16 +589,20 @@ func updateChatPresentationInterfaceStateImpl(
      
     selfController.presentationInterfaceStatePromise.set(selfController.presentationInterfaceState)
     
-    if case .tag = selfController.chatDisplayNode.historyNode.tag {
-    } else {
-        if let historyFilter = selfController.presentationInterfaceState.historyFilter, historyFilter.isActive {
-            selfController.chatDisplayNode.historyNode.updateTag(tag: .customTag(historyFilter.customTag, nil))
+    if selfController.isNodeLoaded {
+        if case .tag = selfController.chatDisplayNode.historyNode.tag {
         } else {
-            selfController.chatDisplayNode.historyNode.updateTag(tag: nil)
+            if let historyFilter = selfController.presentationInterfaceState.historyFilter, historyFilter.isActive {
+                selfController.chatDisplayNode.historyNode.updateTag(tag: .customTag(historyFilter.customTag, nil))
+            } else {
+                selfController.chatDisplayNode.historyNode.updateTag(tag: nil)
+            }
         }
     }
     
-    selfController.updateDownButtonVisibility()
+    if selfController.isNodeLoaded {
+        selfController.updateDownButtonVisibility()
+    }
     
     if selfController.presentationInterfaceState.hasBirthdayToday {
         selfController.displayBirthdayTooltip()