修正处理配方书签的空白样板消耗以及返还逻辑

src/main/java/com/extendedae_plus/client/event/CtrlQPatternKeyHandler.java

@@ -222,7 +222,6 @@ public final class CtrlQPatternKeyHandler {
 				isAllowSubstitutes,
 				isFluidSubstitutes
 			));
-			PacketDistributor.sendToServer(RequestProvidersListC2SPacket.INSTANCE);
 		} catch (Throwable ignored) {
 		}
 	}

src/main/java/com/extendedae_plus/client/screen/ProviderSelectScreen.java

@@ -1,5 +1,6 @@
 package com.extendedae_plus.client.screen;
 
+import com.extendedae_plus.network.CancelPendingPatternC2SPacket;
 import com.extendedae_plus.network.UploadEncodedPatternToProviderC2SPacket;
 import com.extendedae_plus.util.uploadPattern.ExtendedAEPatternUploadUtil;
 import com.google.gson.*;
@@ -9,6 +10,7 @@ import net.minecraft.client.gui.components.EditBox;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 import net.neoforged.fml.loading.FMLPaths;
+import net.neoforged.neoforge.network.PacketDistributor;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -252,6 +254,7 @@ public class ProviderSelectScreen extends Screen {
 
     @Override
     public void onClose() {
+        PacketDistributor.sendToServer(CancelPendingPatternC2SPacket.INSTANCE);
         Minecraft.getInstance().setScreen(this.parent);
     }
 

src/main/java/com/extendedae_plus/init/ModNetwork.java

@@ -24,6 +24,7 @@ public class ModNetwork {
         registrar.playToServer(UploadInventoryPatternToProviderC2SPacket.TYPE, UploadInventoryPatternToProviderC2SPacket.STREAM_CODEC, UploadInventoryPatternToProviderC2SPacket::handle);
         registrar.playToServer(CreateCtrlQPatternC2SPacket.TYPE, CreateCtrlQPatternC2SPacket.STREAM_CODEC, CreateCtrlQPatternC2SPacket::handle);
         registrar.playToServer(CreateAndUploadPatternC2SPacket.TYPE, CreateAndUploadPatternC2SPacket.STREAM_CODEC, CreateAndUploadPatternC2SPacket::handle);
+        registrar.playToServer(CancelPendingPatternC2SPacket.TYPE,CancelPendingPatternC2SPacket.STREAM_CODEC,CancelPendingPatternC2SPacket::handle);
         registrar.playToServer(EncodeWithShiftFlagC2SPacket.TYPE, EncodeWithShiftFlagC2SPacket.STREAM_CODEC, EncodeWithShiftFlagC2SPacket::handle);
         // 新增：JEI 中键打开合成界面 & 无线终端拾取方块物品
         registrar.playToServer(com.extendedae_plus.network.OpenCraftFromJeiC2SPacket.TYPE,

src/main/java/com/extendedae_plus/network/CancelPendingPatternC2SPacket.java

@@ -0,0 +1,35 @@
+package com.extendedae_plus.network;
+
+import com.extendedae_plus.ExtendedAEPlus;
+import com.extendedae_plus.util.uploadPattern.CtrlQPendingUploadUtil;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
+
+public class CancelPendingPatternC2SPacket implements CustomPacketPayload {
+
+    public static final Type<CancelPendingPatternC2SPacket> TYPE = new Type<>(
+            ResourceLocation.fromNamespaceAndPath(ExtendedAEPlus.MODID,"cancel_pending_pattern"));
+
+    public static final CancelPendingPatternC2SPacket INSTANCE = new CancelPendingPatternC2SPacket();
+
+    public static final StreamCodec<FriendlyByteBuf, CancelPendingPatternC2SPacket> STREAM_CODEC = StreamCodec.unit(INSTANCE);
+
+    public static void handle(final CancelPendingPatternC2SPacket msg, final IPayloadContext ctx){
+        ctx.enqueueWork(() ->{
+            if(!((ctx.player()) instanceof ServerPlayer player)) return;
+
+            if(CtrlQPendingUploadUtil.hasPendingCtrlQPattern(player)){
+                CtrlQPendingUploadUtil.returnPendingCtrlQPatternToInventory(player);
+            }
+        });
+    }
+
+    @Override
+    public Type<? extends CustomPacketPayload> type() {
+        return TYPE;
+    }
+}

src/main/java/com/extendedae_plus/network/CreateCtrlQPatternC2SPacket.java

@@ -24,6 +24,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.component.CustomData;
 import net.minecraft.world.item.crafting.CraftingRecipe;
 import net.minecraft.world.item.crafting.RecipeHolder;
+import net.neoforged.neoforge.network.PacketDistributor;
 import net.neoforged.neoforge.network.handling.IPayloadContext;
 
 import java.util.ArrayList;
@@ -157,12 +158,8 @@ public class CreateCtrlQPatternC2SPacket implements CustomPacketPayload {
 			}
 
 			if (msg.openProviderSelector) {
-				String pendingId = CtrlQPendingUploadUtil.beginPendingCtrlQUpload(player, pattern);
+				CtrlQPendingUploadUtil.beginPendingCtrlQUpload(player, pattern);
-				if (pendingId == null) {
+				PacketDistributor.sendToServer(RequestProvidersListC2SPacket.INSTANCE);
-					if (!player.getInventory().add(pattern)) {
-						player.drop(pattern, false);
-					}
-				}
 				return;
 			}