Fixed Ducking. Refined UI.

public/js/ui-input-handler-module.js

@@ -31,7 +31,9 @@ class UIInputHandlerModule extends BaseModule {
             'formatCommandHistory',
             'resetCursorPosition',
             'focusInput',
-            'setProcessState'
+            'setProcessState',
+            'setInputAvailability',
+            'clearHistory'
         ]);
         
         console.log('UIInputHandler: Constructor initialized');
@@ -254,6 +256,24 @@ class UIInputHandlerModule extends BaseModule {
         }
 
         console.log(`Cursor process state: ${nextState}`, detail);
+        this.setInputAvailability(nextState === 'ready');
+    }
+
+    setInputAvailability(enabled) {
+        this.inputEnabled = Boolean(enabled);
+        const commandInput = document.getElementById('command_input');
+        if (commandInput) {
+            commandInput.classList.toggle('fading', !this.inputEnabled);
+            commandInput.setAttribute('aria-hidden', this.inputEnabled ? 'false' : 'true');
+        }
+
+        if (this.playerInput) {
+            this.playerInput.disabled = !this.inputEnabled;
+            this.playerInput.readOnly = !this.inputEnabled;
+            if (this.inputEnabled && document.body.dataset.gameRunning === 'true') {
+                this.focusInput();
+            }
+        }
     }
 
     applyMouseCursor(state) {
@@ -344,6 +364,7 @@ class UIInputHandlerModule extends BaseModule {
      */
     submitCommand() {
         if (!this.playerInput || !this.playerInput.value.trim()) return;
+        if (document.body.dataset.gameRunning !== 'true' || !this.inputEnabled) return;
         
         const command = this.playerInput.value.trim();
         console.log(`UIInputHandler: Submitting command: "${command}"`);
@@ -367,6 +388,17 @@ class UIInputHandlerModule extends BaseModule {
         // Focus input field
         this.playerInput.focus();
     }
+
+    clearHistory() {
+        this.commandHistory = [];
+        this.historyIndex = -1;
+        if (!this.commandHistoryElement) {
+            this.commandHistoryElement = document.getElementById('command_history');
+        }
+        if (this.commandHistoryElement) {
+            this.commandHistoryElement.innerHTML = '';
+        }
+    }
     
     /**
      * Add command to history