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/state/hosts/IPlayerBindStateHost.java

@@ -0,0 +1,143 @@
+package com.tiedup.remake.state.hosts;
+
+import com.tiedup.remake.state.IBondageState;
+import com.tiedup.remake.state.ICaptor;
+import com.tiedup.remake.state.PlayerCaptorManager;
+import java.util.UUID;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.Level;
+
+/**
+ * Core host interface for PlayerBindState components.
+ * Provides access to player data and coordination methods.
+ *
+ * Thread Safety: Methods accessing volatile fields are thread-safe.
+ */
+public interface IPlayerBindStateHost {
+    // ========== Entity Access ==========
+
+    /**
+     * Get the player entity associated with this state.
+     * @return The player entity
+     */
+    Player getPlayer();
+
+    /**
+     * Get the player's UUID.
+     * @return The player's unique identifier
+     */
+    UUID getPlayerUUID();
+
+    /**
+     * Get the current level/world the player is in.
+     * @return The player's current level
+     */
+    Level getLevel();
+
+    /**
+     * Check if this instance is on the client side.
+     * @return true if client-side, false if server-side
+     */
+    boolean isClientSide();
+
+    /**
+     * Get the IBondageState interface for this player state.
+     * Used when components need to pass the player state to other systems.
+     * @return This instance cast to IBondageState
+     */
+    IBondageState getKidnapped();
+
+    // ========== Lifecycle ==========
+
+    /**
+     * Check if the player is currently online.
+     * @return true if player is online
+     */
+    boolean isOnline();
+
+    /**
+     * Set the player's online status.
+     * @param online true if player is online
+     */
+    void setOnline(boolean online);
+
+    // ========== Network Sync (Centralized) ==========
+
+    /**
+     * Sync clothes configuration to all tracking clients.
+     * Used when clothes are equipped/changed.
+     */
+    void syncClothesConfig();
+
+    /**
+     * Sync enslavement/captivity state to all clients.
+     * Used when capture/free state changes.
+     */
+    void syncEnslavement();
+
+    // ========== System Access ==========
+
+    /**
+     * Get the current captor (master) of this player.
+     * @return The captor, or null if not captive
+     */
+    ICaptor getCaptor();
+
+    /**
+     * Set the captor for this player.
+     * @param captor The new captor, or null to clear
+     */
+    void setCaptor(ICaptor captor);
+
+    /**
+     * Get the captor manager (for when player acts as captor).
+     * @return The captor manager
+     */
+    PlayerCaptorManager getCaptorManager();
+
+    // ========== State Queries ==========
+
+    /**
+     * Check if player is tied up (has bind equipment).
+     * @return true if player has bind
+     */
+    boolean isTiedUp();
+
+    /**
+     * Check if player has a collar equipped.
+     * @return true if player has collar
+     */
+    boolean hasCollar();
+
+    // ========== Struggle State (Volatile Wrapper) ==========
+
+    /**
+     * Set struggle animation state (server-side).
+     * Thread-safe (volatile field).
+     * @param struggling True to start animation, false to stop
+     * @param tick Current game time tick
+     */
+    void setStruggling(boolean struggling, long tick);
+
+    /**
+     * Set struggle animation flag (client-side only).
+     * Thread-safe (volatile field).
+     * Does NOT update timer - server manages timer.
+     * @param struggling True if struggling
+     */
+    void setStrugglingClient(boolean struggling);
+
+    /**
+     * Check if player is currently playing struggle animation.
+     * Thread-safe (volatile field).
+     * @return true if struggling
+     */
+    boolean isStruggling();
+
+    /**
+     * Get the tick when struggle animation started.
+     * Thread-safe (volatile field).
+     * @return Start tick
+     */
+    long getStruggleStartTick();
+}