Add dual-mode draw buttons and refine UI

modules/novel-draw/novel-draw.js

@@ -87,6 +87,8 @@ const DEFAULT_SETTINGS = {
     useWorldInfo: false,    
     characterTags: [],
     overrideSize: 'default',
+    showFloorButton: true,
+    showFloatingButton: false,
 };
 
 // ═══════════════════════════════════════════════════════════════════════════
@@ -2097,6 +2099,8 @@ async function sendInitData() {
             useWorldInfo: settings.useWorldInfo,
             characterTags: settings.characterTags,
             overrideSize: settings.overrideSize,
+            showFloorButton: settings.showFloorButton !== false,
+            showFloatingButton: settings.showFloatingButton === true,
         },
         cacheStats: stats,
         gallerySummary,
@@ -2131,6 +2135,31 @@ async function handleFrameMessage(event) {
             break;
         }
 
+        case 'SAVE_BUTTON_MODE': {
+            const s = getSettings();
+            if (typeof data.showFloorButton === 'boolean') s.showFloorButton = data.showFloorButton;
+            if (typeof data.showFloatingButton === 'boolean') s.showFloatingButton = data.showFloatingButton;
+            const ok = await saveSettingsAndToast(s, '已保存');
+            if (ok) {
+                try {
+                    const fp = await import('./floating-panel.js');
+                    fp.updateButtonVisibility?.(s.showFloorButton !== false, s.showFloatingButton === true);
+                } catch {}
+                if (s.showFloorButton !== false && typeof ensureNovelDrawPanelRef === 'function') {
+                    const context = getContext();
+                    const chat = context.chat || [];
+                    chat.forEach((message, messageId) => {
+                        if (!message || message.is_user) return;
+                        const messageEl = document.querySelector(`.mes[mesid="${messageId}"]`);
+                        if (!messageEl) return;
+                        ensureNovelDrawPanelRef?.(messageEl, messageId);
+                    });
+                }
+                sendInitData();
+            }
+            break;
+        }
+
         case 'SAVE_API_KEY': {
             const s = getSettings();
             s.apiKey = typeof data.apiKey === 'string' ? data.apiKey : s.apiKey;
@@ -2471,8 +2500,9 @@ export async function initNovelDraw() {
     // 动态导入 floating-panel（避免循环依赖）
     // ════════════════════════════════════════════════════════════════════
     
-    const { ensureNovelDrawPanel: ensureNovelDrawPanelFn } = await import('./floating-panel.js');
+    const { ensureNovelDrawPanel: ensureNovelDrawPanelFn, initFloatingPanel } = await import('./floating-panel.js');
     ensureNovelDrawPanelRef = ensureNovelDrawPanelFn;
+    initFloatingPanel?.();
 
     // 为现有消息创建画图面板
     const renderExistingPanels = () => {