build fix

.github/workflows/build.yml

@@ -1,26 +1,56 @@
 name: Build
+
 on:
   push:
+  pull_request:
+
 jobs:
   build:
     runs-on: ubuntu-latest
     environment: modrinth
+    permissions:
+      contents: write
+
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+
       - name: Set up JDK 25
-      uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-        java-version: '25'
-        distribution: 'temurin'
+          java-version: "25"
+          distribution: "temurin"
+
       - name: Set up Gradle
-      uses: gradle/gradle-build-action@v2
-    - name: Execute Gradle build (all Stonecutter targets)
-      run: ./gradlew chiseledBuild
-    - run: mkdir staging && cp build/libs/*.jar staging
-    - run: cd build/libs && md5sum *.jar > ../../md5sum.txt
-    - run: echo "filename=`ls build/libs/*.jar |xargs basename`" >> $GITHUB_ENV
-    - name: Release
-      uses: softprops/action-gh-release@v1
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Build all Stonecutter targets
+        run: ./gradlew chiseledBuild --no-daemon --stacktrace
+
+      - name: Collect remapped jars (per Minecraft version)
+        run: |
+          mkdir -p staging
+          find versions -path '*/build/libs/*.jar' \
+            ! -name '*-sources.jar' \
+            ! -name '*-dev.jar' \
+            -exec cp -v {} staging/ \;
+          if [ -z "$(ls -A staging 2>/dev/null)" ]; then
+            echo "No jars found under versions/*/build/libs/"
+            exit 1
+          fi
+          (cd staging && md5sum *.jar) | tee md5sum.txt
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: jars
+          path: |
+            staging/*.jar
+            md5sum.txt
+
+      - name: Release (GitHub tags only)
+        uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
-        files: build/libs/*.jar
+          files: |
+            staging/*.jar
+            md5sum.txt

src/main/java/com/github/sebseb7/autotrade/event/ContainerIoHelper.java

@@ -1,6 +1,7 @@
 package com.github.sebseb7.autotrade.event;
 
 import com.github.sebseb7.autotrade.config.Configs;
+import com.github.sebseb7.autotrade.mixin.MultiPlayerGameModeInvoker;
 import com.github.sebseb7.autotrade.util.TradeItemSpec;
 import fi.dy.masa.malilib.gui.Message;
 import fi.dy.masa.malilib.util.InfoUtils;
@@ -32,18 +33,17 @@ final class ContainerIoHelper {
 	}
 
 	/**
-	 * After automated merchant packets (select trade + shift-clicks), client-side
-	 * prediction can drift from the server. Flush the carried/cursor stack and run
-	 * again on the next tick so pending slot updates have landed.
+	 * After automated merchant packets, flush cursor/carried prediction so it matches the server.
+	 * Implemented via {@link MultiPlayerGameModeInvoker} because {@code ensureHasSentCarriedItem()} is private.
 	 */
 	static void syncPlayerInventoryAfterMerchant(Minecraft mc) {
 		if (mc.player == null || mc.gameMode == null) {
 			return;
 		}
-		mc.gameMode.ensureHasSentCarriedItem();
+		((MultiPlayerGameModeInvoker) mc.gameMode).invokeEnsureHasSentCarriedItem();
 		mc.execute(() -> {
 			if (mc.player != null && mc.gameMode != null) {
-				mc.gameMode.ensureHasSentCarriedItem();
+				((MultiPlayerGameModeInvoker) mc.gameMode).invokeEnsureHasSentCarriedItem();
 			}
 		});
 	}

src/main/java/com/github/sebseb7/autotrade/mixin/MultiPlayerGameModeInvoker.java

@@ -0,0 +1,12 @@
+package com.github.sebseb7.autotrade.mixin;
+
+import net.minecraft.client.multiplayer.MultiPlayerGameMode;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Invoker;
+
+@Mixin(MultiPlayerGameMode.class)
+public interface MultiPlayerGameModeInvoker {
+
+	@Invoker("ensureHasSentCarriedItem")
+	void invokeEnsureHasSentCarriedItem();
+}

src/main/resources/autotrade.mixins.json

@@ -0,0 +1,12 @@
+{
+	"required": true,
+	"minVersion": "0.8",
+	"package": "com.github.sebseb7.autotrade.mixin",
+	"compatibilityLevel": "JAVA_21",
+	"client": [
+		"MultiPlayerGameModeInvoker"
+	],
+	"injectors": {
+		"defaultRequire": 1
+	}
+}

src/main/templates/fabric.mod.json

@@ -27,6 +27,7 @@
 	},
 
 	"mixins": [
+		"autotrade.mixins.json"
 	],
 
 	"depends": {