Clean repo for open source release

Remove build artifacts, dev tool configs, unused dependencies,
and third-party source dumps. Add proper README, update .gitignore,
clean up Makefile.

src/main/java/com/tiedup/remake/client/events/SelfBondageInputHandler.java

@@ -0,0 +1,179 @@
+package com.tiedup.remake.client.events;
+
+import com.tiedup.remake.items.base.*;
+import com.tiedup.remake.network.ModNetwork;
+import com.tiedup.remake.v2.bondage.IV2BondageItem;
+import com.tiedup.remake.network.selfbondage.PacketSelfBondage;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.world.InteractionHand;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.event.entity.player.PlayerInteractEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+
+/**
+ * Client-side event handler for self-bondage input.
+ *
+ * Intercepts left-click when holding bondage items and
+ * sends packets continuously to the server to perform self-bondage.
+ *
+ * Self-bondage items:
+ * - Binds (rope, chain, etc.) - Self-tie (requires holding left-click)
+ * - Gags - Self-gag (if already tied, instant)
+ * - Blindfolds - Self-blindfold (if already tied, instant)
+ * - Mittens - Self-mitten (if already tied, instant)
+ * - Earplugs - Self-earplug (if already tied, instant)
+ * - Collar - NOT ALLOWED (cannot self-collar)
+ */
+@Mod.EventBusSubscriber(
+    modid = "tiedup",
+    value = Dist.CLIENT,
+    bus = Mod.EventBusSubscriber.Bus.FORGE
+)
+@OnlyIn(Dist.CLIENT)
+public class SelfBondageInputHandler {
+
+    /** Track if we're currently in self-bondage mode */
+    private static boolean isSelfBondageActive = false;
+
+    /** The hand we're using for self-bondage */
+    private static InteractionHand activeHand = null;
+
+    /** Tick counter for packet sending interval */
+    private static int tickCounter = 0;
+
+    /** Send packet every 4 ticks (5 times per second) for smooth progress */
+    private static final int PACKET_INTERVAL = 4;
+
+    /**
+     * Handle left-click in empty air - START self-bondage.
+     */
+    @SubscribeEvent
+    public static void onLeftClickEmpty(
+        PlayerInteractEvent.LeftClickEmpty event
+    ) {
+        startSelfBondage();
+    }
+
+    /**
+     * Handle left-click on block - START self-bondage (cancel block breaking).
+     */
+    @SubscribeEvent
+    public static void onLeftClickBlock(
+        PlayerInteractEvent.LeftClickBlock event
+    ) {
+        if (!event.getLevel().isClientSide()) return;
+
+        ItemStack stack = event.getItemStack();
+        if (isSelfBondageItem(stack.getItem())) {
+            event.setCanceled(true);
+            startSelfBondage();
+        }
+    }
+
+    /**
+     * Start self-bondage mode if holding a bondage item.
+     */
+    private static void startSelfBondage() {
+        LocalPlayer player = Minecraft.getInstance().player;
+        if (player == null) return;
+
+        // Check main hand first, then off hand
+        InteractionHand hand = InteractionHand.MAIN_HAND;
+        ItemStack stack = player.getMainHandItem();
+
+        if (!isSelfBondageItem(stack.getItem())) {
+            stack = player.getOffhandItem();
+            hand = InteractionHand.OFF_HAND;
+
+            if (!isSelfBondageItem(stack.getItem())) {
+                return; // No bondage item in either hand
+            }
+        }
+
+        // Start self-bondage mode
+        isSelfBondageActive = true;
+        activeHand = hand;
+        tickCounter = 0;
+
+        // Send initial packet immediately
+        ModNetwork.sendToServer(new PacketSelfBondage(hand));
+    }
+
+    /**
+     * Client tick - continuously send packets while attack button is held.
+     */
+    @SubscribeEvent
+    public static void onClientTick(TickEvent.ClientTickEvent event) {
+        if (event.phase != TickEvent.Phase.END) return;
+        if (!isSelfBondageActive) return;
+
+        Minecraft mc = Minecraft.getInstance();
+        LocalPlayer player = mc.player;
+
+        // Stop if conditions are no longer valid
+        if (player == null || mc.screen != null) {
+            stopSelfBondage();
+            return;
+        }
+
+        // Check if attack button is still held
+        if (!mc.options.keyAttack.isDown()) {
+            stopSelfBondage();
+            return;
+        }
+
+        // Check if still holding bondage item in the active hand
+        ItemStack stack = player.getItemInHand(activeHand);
+        if (!isSelfBondageItem(stack.getItem())) {
+            stopSelfBondage();
+            return;
+        }
+
+        // Send packet at interval for continuous progress
+        tickCounter++;
+        if (tickCounter >= PACKET_INTERVAL) {
+            tickCounter = 0;
+            ModNetwork.sendToServer(new PacketSelfBondage(activeHand));
+        }
+    }
+
+    /**
+     * Stop self-bondage mode.
+     */
+    private static void stopSelfBondage() {
+        isSelfBondageActive = false;
+        activeHand = null;
+        tickCounter = 0;
+    }
+
+    /**
+     * Check if an item supports self-bondage.
+     * Collar is explicitly excluded.
+     */
+    private static boolean isSelfBondageItem(Item item) {
+        // Collar cannot be self-equipped (V1 collar guard)
+        if (item instanceof ItemCollar) {
+            return false;
+        }
+
+        // V2 bondage items support self-bondage (left-click hold with tying duration)
+        if (item instanceof IV2BondageItem) {
+            return true;
+        }
+
+        // V1 bondage items (legacy)
+        return (
+            item instanceof ItemBind ||
+            item instanceof ItemGag ||
+            item instanceof ItemBlindfold ||
+            item instanceof ItemMittens ||
+            item instanceof ItemEarplugs
+        );
+    }
+}