Try add wals and split

src/components/LayoutStep.tsx

@@ -1,6 +1,6 @@
 import React, { useRef, useState, useMemo } from 'react';
 import { AppConfig, LayoutSplits, Partition } from '../types';
-import { Grid, MousePointer2, RotateCcw, X, Move } from 'lucide-react';
+import { Grid, MousePointer2, Trash2, RotateCcw, X, Move, Settings2 } from 'lucide-react';
 
 interface Props {
   config: AppConfig;
@@ -18,22 +18,25 @@ type DragTarget =
 export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
   const svgRef = useRef<SVGSVGElement>(null);
   
+  // --- STATE ---
   const [mode, setMode] = useState<EditMode>('lines');
   const [mousePos, setMousePos] = useState({ x: 0, y: 0 });
-  const [dragging, setDragging] = useState<DragTarget | null>(null);
   const [isButtonHovered, setIsButtonHovered] = useState(false);
+  const [dragging, setDragging] = useState<DragTarget | null>(null);
 
-  // Main Grid
+  // Main Grid Interactions
   const [phantomMainAxis, setPhantomMainAxis] = useState<Axis | null>(null);
   const [hoveredMainSplit, setHoveredMainSplit] = useState<{ axis: Axis; index: number } | null>(null);
 
-  // Partitions
+  // Partition Interactions
   const [hoveredCell, setHoveredCell] = useState<{ i: number; j: number } | null>(null);
   const [hoveredPartition, setHoveredPartition] = useState<{ id: string; cellKey: string } | null>(null);
+  // phantomPartition теперь хранит min/max для T-соединений
   const [phantomPartition, setPhantomPartition] = useState<{ axis: Axis; offset: number; min: number; max: number } | null>(null);
+  
   const [selectedPartitionId, setSelectedPartitionId] = useState<string | null>(null);
 
-  // --- Safe Data ---
+  // --- DATA ---
   const safeX = Array.isArray(splits?.x) ? splits.x : [];
   const safeY = Array.isArray(splits?.y) ? splits.y : [];
   const safePartitions = splits?.partitions || {};
@@ -48,8 +51,8 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
   const sortedX = useMemo(() => [0, ...safeX, 1].sort((a, b) => a - b), [safeX]);
   const sortedY = useMemo(() => [0, ...safeY, 1].sort((a, b) => a - b), [safeY]);
 
-  // --- Helpers ---
-  const getSelectedPartition = () => {
+  // --- HELPER: Find Selected Partition ---
+  const getSelectedPartitionData = () => {
     if (!selectedPartitionId) return null;
     for (const key in safePartitions) {
       const part = safePartitions[key].find(p => p.id === selectedPartitionId);
@@ -57,45 +60,35 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
     }
     return null;
   };
-  const selectedData = getSelectedPartition();
+  const selectedData = getSelectedPartitionData();
 
-  // --- Logic: Find Sub-Area Bounds ---
-  // Определяет границы прямоугольника под мышкой внутри ячейки, учитывая существующие стенки
+  // --- LOGIC: Calculate Boundaries for T-Junctions ---
   const getHoveredBoundaries = (lx: number, ly: number, parts: Partition[]) => {
       let minX = 0, maxX = 1;
       let minY = 0, maxY = 1;
 
-      // Сужаем границы на основе существующих стенок
       parts.forEach(p => {
+          const pMin = p.min ?? 0;
+          const pMax = p.max ?? 1;
+
           if (p.axis === 'x') {
-              // Вертикальная стенка. Проверяем, пересекаемся ли мы с ней по Y
-              // (то есть мышь находится в диапазоне min/max этой стенки)
-              if (ly >= p.min && ly <= p.max) {
+              // Вертикальная стенка. Если мышь в ее диапазоне по Y...
+              if (ly >= pMin && ly <= pMax) {
                   if (p.offset < lx) minX = Math.max(minX, p.offset);
                   if (p.offset > lx) maxX = Math.min(maxX, p.offset);
               }
           } else {
-              // Горизонтальная стенка
-              if (lx >= p.min && lx <= p.max) {
+              // Горизонтальная стенка. Если мышь в ее диапазоне по X...
+              if (lx >= pMin && lx <= pMax) {
                   if (p.offset < ly) minY = Math.max(minY, p.offset);
                   if (p.offset > ly) maxY = Math.min(maxY, p.offset);
               }
           }
       });
-
       return { minX, maxX, minY, maxY };
   };
 
-  // --- Actions ---
-  const removeMainSplit = (axis: Axis, index: number) => {
-    const newSplits = { ...splits, x: [...safeX], y: [...safeY] };
-    newSplits[axis] = newSplits[axis].filter((_, i) => i !== index);
-    onChange(newSplits);
-    setHoveredMainSplit(null);
-    setDragging(null);
-    setIsButtonHovered(false);
-  };
-
+  // --- ACTIONS ---
   const createPartition = (i: number, j: number, axis: Axis, offset: number, min: number, max: number) => {
     const key = `${i}-${j}`;
     const current = safePartitions[key] || [];
@@ -110,6 +103,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
     };
     onChange({ ...splits, partitions: { ...safePartitions, [key]: [...current, newPart] } });
     setSelectedPartitionId(newPart.id);
+    // ВАЖНО: Не меняем setMode, остаемся в 'cells'
   };
 
   const updatePartition = (key: string, id: string, updates: Partial<Partition>) => {
@@ -125,7 +119,15 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
     setHoveredPartition(null);
   };
 
-  // --- Handlers ---
+  const removeMainSplit = (axis: Axis, index: number) => {
+    const newSplits = { ...splits, x: [...safeX], y: [...safeY] };
+    newSplits[axis] = newSplits[axis].filter((_, i) => i !== index);
+    onChange(newSplits);
+    setHoveredMainSplit(null);
+    setDragging(null);
+  };
+
+  // --- MOUSE HANDLERS ---
   const handleMouseMove = (e: React.MouseEvent) => {
     if (!svgRef.current) return;
     const rect = svgRef.current.getBoundingClientRect();
@@ -142,7 +144,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         newSplits[dragging.axis][dragging.index] = val;
         onChange(newSplits);
       } else {
-        // Drag Partition
+        // Dragging Partition
         const [iStr, jStr] = dragging.cellKey.split('-');
         const i = parseInt(iStr); const j = parseInt(jStr);
         const cellX1 = sortedX[i]; const cellX2 = sortedX[i+1];
@@ -154,11 +156,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         } else {
           newOffset = (ny - cellY1) / (cellY2 - cellY1);
         }
-        
-        // Ограничиваем перетаскивание пределами "родительской" зоны (чтобы не наехать на соседей)
-        // Для простоты пока ограничиваем 0.05-0.95 всей ячейки, но в идеале нужно проверять bounds
         newOffset = Math.max(0.02, Math.min(0.98, newOffset));
-        
         if (!isNaN(newOffset)) {
           updatePartition(dragging.cellKey, dragging.id, { offset: newOffset });
         }
@@ -177,7 +175,9 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         if (!closeToX && !closeToY) {
           const distRight = 1 - nx; const distBottom = 1 - ny;
           setPhantomMainAxis(Math.min(nx, distRight) < Math.min(ny, distBottom) ? 'y' : 'x');
-        } else { setPhantomMainAxis(null); }
+        } else {
+          setPhantomMainAxis(null);
+        }
       }
     } else {
       // Cells Mode
@@ -185,7 +185,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
       setPhantomPartition(null);
       setHoveredCell(null);
 
-      // 1. Находим ячейку
+      // 1. Find Cell
       let cellIdx = null;
       for (let i = 0; i < sortedX.length - 1; i++) {
         if (nx >= sortedX[i] && nx <= sortedX[i+1]) {
@@ -209,43 +209,38 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         const lx = (nx - cx1) / cw;
         const ly = (ny - cy1) / ch;
 
-        // 2. Проверяем наведение на существующие (для удаления/выделения)
+        // 2. Check Existing Partitions
         let found = null;
         const SNAP = 0.05;
         for (const p of parts) {
-          // Учитываем min/max при наведении
+          const pMin = p.min ?? 0; const pMax = p.max ?? 1;
           if (p.axis === 'x') {
-            if (ly >= p.min && ly <= p.max && Math.abs(lx - p.offset) < SNAP * (aspectRatio > 1 ? 1 : aspectRatio)) found = p;
+            if (ly >= pMin && ly <= pMax && Math.abs(lx - p.offset) < SNAP * (aspectRatio > 1 ? 1 : aspectRatio)) found = p;
           } else {
-            if (lx >= p.min && lx <= p.max && Math.abs(ly - p.offset) < SNAP * (aspectRatio < 1 ? 1 : 1/aspectRatio)) found = p;
+            if (lx >= pMin && lx <= pMax && Math.abs(ly - p.offset) < SNAP * (aspectRatio < 1 ? 1 : 1/aspectRatio)) found = p;
           }
         }
 
         if (found) {
           setHoveredPartition({ id: found.id, cellKey: key });
         } else {
-          // 3. Вычисляем границы для новой фантомной стенки
+          // 3. Calc Phantom
           const bounds = getHoveredBoundaries(lx, ly, parts);
-          
-          const distL = lx - bounds.minX; 
-          const distR = bounds.maxX - lx;
-          const distT = ly - bounds.minY; 
-          const distB = bounds.maxY - ly;
+          const distL = lx - bounds.minX; const distR = bounds.maxX - lx;
+          const distT = ly - bounds.minY; const distB = bounds.maxY - ly;
           
           const minX = Math.min(distL, distR);
           const minY = Math.min(distT, distB);
           
-          const axis = minX < minY ? 'y' : 'x'; // Перпендикулярно ближайшему краю
-          
-          // Проверяем, чтобы было место
+          const axis = minX < minY ? 'y' : 'x';
           const width = bounds.maxX - bounds.minX;
           const height = bounds.maxY - bounds.minY;
           
+          // Проверяем, достаточно ли места
           if ((axis === 'y' && height > 0.1) || (axis === 'x' && width > 0.1)) {
              const offset = axis === 'x' ? lx : ly;
              const min = axis === 'x' ? bounds.minY : bounds.minX;
              const max = axis === 'x' ? bounds.maxY : bounds.maxX;
-             
              setPhantomPartition({ axis, offset, min, max });
           }
         }
@@ -268,6 +263,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         setDragging({ type: 'main', axis: phantomMainAxis, index: newSplits[phantomMainAxis].length - 1 });
       }
     } else {
+      // MODE: CELLS
       if (hoveredPartition) {
         const key = hoveredPartition.cellKey;
         const parts = safePartitions[key] || [];
@@ -275,7 +271,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         if (part) {
           if (e.button === 0) {
             setDragging({ type: 'partition', cellKey: key, id: part.id, axis: part.axis });
-            setSelectedPartitionId(part.id);
+            setSelectedPartitionId(part.id); // Выбираем для редактирования
           } else if (e.button === 2) {
             removePartition(key, part.id);
           }
@@ -292,19 +288,21 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
           );
         }
       } else {
+        // Клик в пустоту - снимаем выделение
         setSelectedPartitionId(null);
       }
     }
   };
 
-  // --- Render ---
-  const renderCells = () => {
+  // --- RENDER HELPERS ---
+  const renderCellsAndPartitions = () => {
     const elements = [];
     for (let i = 0; i < sortedX.length - 1; i++) {
       for (let j = 0; j < sortedY.length - 1; j++) {
         const x1 = sortedX[i]; const x2 = sortedX[i + 1];
         const y1 = sortedY[j]; const y2 = sortedY[j + 1];
 
+        // !!! FIX: Проверка y2
         if (y2 === undefined || x2 === undefined) continue;
 
         const cellX = x1 * viewBoxW; const cellY = y1 * viewBoxH;
@@ -313,65 +311,52 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
         
         const isHovered = hoveredCell?.i === i && hoveredCell?.j === j && mode === 'cells';
         const parts = safePartitions[key] || [];
-        const isSelected = parts.some(p => p.id === selectedPartitionId);
+        const isAnySelected = parts.some(p => p.id === selectedPartitionId);
 
         elements.push(
           <g key={key}>
-            {isHovered && (
-              <rect x={cellX} y={cellY} width={cellW} height={cellH} fill="rgba(16, 185, 129, 0.05)" stroke="#10b981" strokeWidth="2" strokeDasharray="4,4" className="pointer-events-none"/>
-            )}
+            {/* Cell Highlight */}
+            {isHovered && <rect x={cellX} y={cellY} width={cellW} height={cellH} fill="rgba(16, 185, 129, 0.05)" stroke="#10b981" strokeWidth="2" strokeDasharray="4,4" className="pointer-events-none"/>}
+            {isAnySelected && mode === 'cells' && <rect x={cellX} y={cellY} width={cellW} height={cellH} fill="transparent" stroke="#a855f7" strokeWidth="2" className="pointer-events-none opacity-50"/>}
             
+            {/* Partitions */}
             {parts.map(p => {
-              // Рендер с учетом min/max
-              const pMin = p.min ?? 0;
-              const pMax = p.max ?? 1;
-              
+              const pMin = p.min ?? 0; const pMax = p.max ?? 1;
               let lx1, ly1, lx2, ly2;
-              
               if (p.axis === 'x') {
                 const px = cellX + (cellW * p.offset);
-                lx1 = px; 
-                lx2 = px; 
-                ly1 = cellY + (cellH * pMin);
-                ly2 = cellY + (cellH * pMax);
+                lx1 = px; lx2 = px;
+                ly1 = cellY + (cellH * pMin); ly2 = cellY + (cellH * pMax);
               } else {
                 const py = cellY + (cellH * p.offset);
-                ly1 = py; 
-                ly2 = py;
-                lx1 = cellX + (cellW * pMin);
-                lx2 = cellX + (cellW * pMax);
+                ly1 = py; ly2 = py;
+                lx1 = cellX + (cellW * pMin); lx2 = cellX + (cellW * pMax);
               }
+              const isSel = selectedPartitionId === p.id;
+              const isHov = hoveredPartition?.id === p.id;
               
-              const isPSelected = selectedPartitionId === p.id;
-              const isPHovered = hoveredPartition?.id === p.id;
-              const stroke = isPSelected ? "#a855f7" : (isPHovered ? "#d8b4fe" : "#7e22ce");
-
               return (
                 <g key={p.id} onDoubleClick={(e) => { e.stopPropagation(); removePartition(key, p.id); }}>
                   <line x1={lx1} y1={ly1} x2={lx2} y2={ly2} stroke="transparent" strokeWidth="30" />
-                  <line x1={lx1} y1={ly1} x2={lx2} y2={ly2} stroke={stroke} strokeWidth={isPSelected ? 6 : 4} strokeLinecap="round" />
+                  <line x1={lx1} y1={ly1} x2={lx2} y2={ly2} stroke={isSel ? "#a855f7" : (isHov ? "#d8b4fe" : "#7e22ce")} strokeWidth={isSel ? 6 : 4} strokeLinecap="round" />
                 </g>
               );
             })}
 
+            {/* Phantom */}
             {isHovered && phantomPartition && !hoveredPartition && !dragging && (
               <g className="pointer-events-none opacity-60">
                 {(() => {
-                    // Рендер фантома с учетом min/max
-                    const pMin = phantomPartition.min;
-                    const pMax = phantomPartition.max;
-                    
+                    const pMin = phantomPartition.min; const pMax = phantomPartition.max;
                     let fx1, fy1, fx2, fy2;
                     if (phantomPartition.axis === 'x') {
                         const px = cellX + (cellW * phantomPartition.offset);
                         fx1 = px; fx2 = px;
-                        fy1 = cellY + (cellH * pMin);
-                        fy2 = cellY + (cellH * pMax);
+                        fy1 = cellY + (cellH * pMin); fy2 = cellY + (cellH * pMax);
                     } else {
                         const py = cellY + (cellH * phantomPartition.offset);
                         fy1 = py; fy2 = py;
-                        fx1 = cellX + (cellW * pMin);
-                        fx2 = cellX + (cellW * pMax);
+                        fx1 = cellX + (cellW * pMin); fx2 = cellX + (cellW * pMax);
                     }
                     return <line x1={fx1} y1={fy1} x2={fx2} y2={fy2} stroke="#34d399" strokeWidth="3" strokeDasharray="6,6"/>;
                 })()}
@@ -386,61 +371,138 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
 
   return (
     <div className="bg-slate-900 p-4 rounded-xl shadow-lg border border-slate-800 h-full flex flex-col relative overflow-hidden">
+      
+      {/* TOOLBAR */}
       <div className="flex justify-between items-center mb-2 z-20 shrink-0">
-        <h2 className="text-lg font-bold flex items-center gap-2 text-primary"><Grid size={20} /> 2. Редактор</h2>
+        <h2 className="text-lg font-bold flex items-center gap-2 text-primary">
+          <Grid size={20} /> 2. Редактор макета
+        </h2>
+        
         <div className="flex bg-slate-800 p-1 rounded-lg border border-slate-700">
-            <button onClick={() => { setMode('lines'); setSelectedPartitionId(null); }} className={`flex items-center gap-2 px-3 py-1.5 rounded-md text-xs font-bold transition-all ${mode === 'lines' ? 'bg-primary text-white shadow' : 'text-gray-400 hover:text-gray-200'}`}><Move size={14}/> Границы</button>
-            <button onClick={() => setMode('cells')} className={`flex items-center gap-2 px-3 py-1.5 rounded-md text-xs font-bold transition-all ${mode === 'cells' ? 'bg-primary text-white shadow' : 'text-gray-400 hover:text-gray-200'}`}><Grid size={14}/> Внутри</button>
+            <button onClick={() => { setMode('lines'); setSelectedPartitionId(null); }} 
+                className={`flex items-center gap-2 px-3 py-1.5 rounded-md text-xs font-bold transition-all ${mode === 'lines' ? 'bg-primary text-white shadow' : 'text-gray-400 hover:text-gray-200'}`}>
+               <Move size={14}/> Границы
+            </button>
+            <button onClick={() => setMode('cells')} 
+                className={`flex items-center gap-2 px-3 py-1.5 rounded-md text-xs font-bold transition-all ${mode === 'cells' ? 'bg-primary text-white shadow' : 'text-gray-400 hover:text-gray-200'}`}>
+               <Grid size={14}/> Внутри ячеек
+            </button>
         </div>
-        <button onClick={() => onChange({ x: [], y: [], partitions: {} })} className="px-3 py-1.5 text-xs text-red-400 border border-slate-700 rounded hover:bg-slate-800 transition-colors flex items-center gap-1"><RotateCcw size={14} /> Сброс</button>
+
+        <button onClick={() => onChange({ x: [], y: [], partitions: {} })} className="px-3 py-1.5 text-xs text-red-400 border border-slate-700 rounded hover:bg-slate-800 transition-colors flex items-center gap-1">
+            <RotateCcw size={14} /> Сброс
+        </button>
       </div>
 
+      {/* INFO BAR */}
       <div className="bg-slate-800/50 rounded-lg px-3 py-2 mb-2 flex items-center gap-3 text-[11px] text-gray-300 border border-slate-700/50 shrink-0">
           <MousePointer2 size={14} className="text-primary" />
           {mode === 'lines' ? (
-              <div className="flex gap-3"><span><b className="text-blue-400">ЛКМ:</b> Линия</span><span><b className="text-red-400">ПКМ:</b> Удалить</span></div>
+              <div className="flex gap-3">
+                  <span><b className="text-blue-400">ЛКМ:</b> Линия</span>
+                  <span><b className="text-red-400">ПКМ:</b> Удалить</span>
+              </div>
           ) : (
-              <div className="flex gap-3"><span><b className="text-green-400">ЛКМ в ячейке:</b> Стенка (умная)</span><span><b className="text-purple-400">Драг:</b> Двигать</span><span><b className="text-red-400">2xЛКМ:</b> Удалить</span></div>
+              <div className="flex gap-3">
+                  <span><b className="text-green-400">ЛКМ:</b> Стенка</span>
+                  <span><b className="text-purple-400">Драг:</b> Двигать</span>
+                  <span><b className="text-red-400">2xЛКМ:</b> Удалить</span>
+              </div>
           )}
       </div>
 
+      {/* WORKSPACE */}
       <div className="flex-1 bg-slate-800/30 rounded-lg flex flex-col items-center justify-center relative overflow-hidden border border-slate-700/50 min-h-0 w-full">
             <div className="relative w-full h-full flex items-center justify-center p-4">
                 <div className="relative shadow-2xl bg-[#1e293b] border border-slate-600 rounded-sm overflow-hidden"
-                    style={{ width: aspectRatio > 1 ? 'auto' : '100%', height: aspectRatio > 1 ? '100%' : 'auto', aspectRatio: `${1/aspectRatio}`, maxHeight: '100%', maxWidth: '100%', cursor: mode === 'lines' ? 'crosshair' : 'default' }}>   
+                    style={{ 
+                        width: aspectRatio > 1 ? 'auto' : '100%',
+                        height: aspectRatio > 1 ? '100%' : 'auto',
+                        aspectRatio: `${1/aspectRatio}`,
+                        maxHeight: '100%', maxWidth: '100%',
+                        cursor: mode === 'lines' ? (dragging ? 'grabbing' : hoveredMainSplit ? 'col-resize' : 'crosshair') 
+                               : (dragging ? 'grabbing' : hoveredPartition ? 'grab' : hoveredCell ? 'crosshair' : 'default'),
+                    }}
+                >   
                    <svg ref={svgRef} viewBox={`0 0 ${viewBoxW} ${viewBoxH}`} className="w-full h-full touch-none block"
                       preserveAspectRatio="none"
                       onMouseMove={handleMouseMove} onMouseDown={handleMouseDown} onMouseUp={() => setDragging(null)} onMouseLeave={() => setDragging(null)} onContextMenu={(e) => e.preventDefault()}
                    >
-                      <defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" strokeWidth="1"/></pattern></defs>
+                      <defs>
+                          <pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse">
+                              <path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" strokeWidth="1"/>
+                          </pattern>
+                      </defs>
                       <rect width="100%" height="100%" fill="url(#grid)" />
-                      {renderCells()}
+
+                      {/* CELLS & PARTITIONS */}
+                      {renderCellsAndPartitions()}
+
+                      {/* MAIN GRID X */}
                       {safeX.map((x, i) => (
                         <g key={`x-${i}`} onMouseMove={(e) => { if(mode === 'lines' && !dragging) { e.stopPropagation(); setHoveredMainSplit({axis: 'x', index: i}); setPhantomMainAxis(null); }}} onDoubleClick={(e) => { e.stopPropagation(); removeMainSplit('x', i); }}>
                             <line x1={x * viewBoxW} y1="0" x2={x * viewBoxW} y2="100%" stroke="transparent" strokeWidth="40" className={mode === 'lines' ? "cursor-col-resize" : ""} />
                             <line x1={x * viewBoxW} y1="0" x2={x * viewBoxW} y2="100%" stroke={hoveredMainSplit?.axis === 'x' && hoveredMainSplit.index === i ? "#f59e0b" : "#64748b"} strokeWidth={hoveredMainSplit?.axis === 'x' && hoveredMainSplit.index === i ? 6 : 4} className="pointer-events-none" />
                         </g>
                       ))}
+
+                      {/* MAIN GRID Y */}
                       {safeY.map((y, i) => (
                         <g key={`y-${i}`} onMouseMove={(e) => { if(mode === 'lines' && !dragging) { e.stopPropagation(); setHoveredMainSplit({axis: 'y', index: i}); setPhantomMainAxis(null); }}} onDoubleClick={(e) => { e.stopPropagation(); removeMainSplit('y', i); }}>
                             <line x1="0" y1={y * viewBoxH} x2="100%" y2={y * viewBoxH} stroke="transparent" strokeWidth="40" className={mode === 'lines' ? "cursor-row-resize" : ""} />
                             <line x1="0" y1={y * viewBoxH} x2="100%" y2={y * viewBoxH} stroke={hoveredMainSplit?.axis === 'y' && hoveredMainSplit.index === i ? "#f59e0b" : "#64748b"} strokeWidth={hoveredMainSplit?.axis === 'y' && hoveredMainSplit.index === i ? 6 : 4} className="pointer-events-none" />
                         </g>
                       ))}
-                      {mode === 'lines' && !hoveredMainSplit && !dragging && phantomMainAxis && (
-                        <line x1={phantomMainAxis === 'x' ? mousePos.x * viewBoxW : 0} y1={phantomMainAxis === 'y' ? mousePos.y * viewBoxH : 0} x2={phantomMainAxis === 'x' ? mousePos.x * viewBoxW : '100%'} y2={phantomMainAxis === 'y' ? mousePos.y * viewBoxH : '100%'} stroke="#3b82f6" strokeWidth="4" strokeDasharray="8,8" className="pointer-events-none opacity-50"/>
-                      )}
+
+                      {/* MAIN PHANTOMS */}
+                      {mode === 'lines' && !hoveredMainSplit && !dragging && phantomMainAxis === 'x' && <line x1={mousePos.x * viewBoxW} y1="0" x2={mousePos.x * viewBoxW} y2="100%" stroke="#3b82f6" strokeWidth="4" strokeDasharray="8,8" className="pointer-events-none opacity-50"/>}
+                      {mode === 'lines' && !hoveredMainSplit && !dragging && phantomMainAxis === 'y' && <line x1="0" y1={mousePos.y * viewBoxH} x2="100%" y2={mousePos.y * viewBoxH} stroke="#3b82f6" strokeWidth="4" strokeDasharray="8,8" className="pointer-events-none opacity-50"/>}
                    </svg>
                 </div>
             </div>
 
+            {/* --- SIDEBAR FOR EDITING --- */}
             {mode === 'cells' && selectedData && (
                 <div className="absolute top-0 right-0 bottom-0 w-72 bg-slate-900 border-l border-slate-700 p-4 shadow-2xl flex flex-col z-30 animate-in slide-in-from-right duration-200">
-                    <div className="flex justify-between items-center mb-6"><h3 className="text-sm font-bold text-white flex items-center gap-2">Настройки стенки</h3><button onClick={() => setSelectedPartitionId(null)} className="text-gray-400 hover:text-white"><X size={20}/></button></div>
+                    <div className="flex justify-between items-center mb-6">
+                        <h3 className="text-sm font-bold text-white flex items-center gap-2">
+                            <Settings2 size={16} className="text-purple-400"/> Настройки стенки
+                        </h3>
+                        <button onClick={() => setSelectedPartitionId(null)} className="text-gray-400 hover:text-white"><X size={20}/></button>
+                    </div>
+
                     <div className="bg-slate-800 p-4 rounded border border-slate-700 space-y-6">
-                        <div><div className="flex justify-between text-xs text-gray-300 mb-2"><span>Высота</span> <span className="font-mono bg-slate-900 px-1.5 py-0.5 rounded text-xs">{selectedData.part.height} мм</span></div><input type="range" min="5" max={config.drawer.height || 100} step="1" value={selectedData.part.height} onChange={(e) => updatePartition(selectedData.key, selectedData.part.id, { height: parseFloat(e.target.value) })} className="w-full h-1 bg-slate-600 rounded-lg appearance-none cursor-pointer accent-purple-500"/></div>
-                        <div className="flex items-center justify-between"><label htmlFor="rounded-check" className="text-xs text-gray-300 cursor-pointer select-none">Скруглить края</label><input type="checkbox" id="rounded-check" checked={selectedData.part.rounded} onChange={(e) => updatePartition(selectedData.key, selectedData.part.id, { rounded: e.target.checked })} className="w-4 h-4 rounded bg-slate-700 border-slate-600 text-purple-500 focus:ring-0 cursor-pointer"/></div>
-                        <button onClick={() => removePartition(selectedData.key, selectedData.part.id)} className="w-full py-2 bg-red-500/10 hover:bg-red-500/20 text-red-400 border border-red-500/30 rounded text-xs flex items-center justify-center gap-2 transition-colors mt-4"><Trash2 size={14}/> Удалить</button>
+                        {/* Height */}
+                        <div>
+                            <div className="flex justify-between text-xs text-gray-300 mb-2">
+                                <span>Высота</span> <span className="font-mono bg-slate-900 px-1.5 py-0.5 rounded text-xs">{selectedData.part.height} мм</span>
+                            </div>
+                            <input type="range" min="5" max={config.drawer.height || 100} step="1" value={selectedData.part.height}
+                                onChange={(e) => updatePartition(selectedData.key, selectedData.part.id, { height: parseFloat(e.target.value) })}
+                                className="w-full h-1 bg-slate-600 rounded-lg appearance-none cursor-pointer accent-purple-500"
+                            />
+                        </div>
+
+                        {/* Rounded */}
+                        <div className="flex items-center justify-between">
+                            <label htmlFor="rounded-check" className="text-xs text-gray-300 cursor-pointer select-none">Скруглить края</label>
+                            <input type="checkbox" id="rounded-check" checked={selectedData.part.rounded}
+                                onChange={(e) => updatePartition(selectedData.key, selectedData.part.id, { rounded: e.target.checked })}
+                                className="w-4 h-4 rounded bg-slate-700 border-slate-600 text-purple-500 focus:ring-0 cursor-pointer"
+                            />
+                        </div>
+
+                        {/* Delete */}
+                        <button 
+                            onClick={() => removePartition(selectedData.key, selectedData.part.id)}
+                            className="w-full py-2 bg-red-500/10 hover:bg-red-500/20 text-red-400 border border-red-500/30 rounded text-xs flex items-center justify-center gap-2 transition-colors mt-4"
+                        >
+                            <Trash2 size={14}/> Удалить
+                        </button>
+                    </div>
+                    
+                    <div className="mt-auto text-[10px] text-gray-500 text-center leading-relaxed">
+                        Выделите стенку для настройки.<br/>Двойной клик удаляет её.
                     </div>
                 </div>
             )}

src/services/geometryGenerator.ts

@@ -99,28 +99,40 @@ export const createBinGeometry = (
   geometries.push(wallGeo);
 
   partitions.forEach(p => {
-      let pWidth = 0, pDepth = 0, pX = 0, pY = 0; 
-      
+      // Поддержка T-junctions: учитываем min и max
       const pMin = p.min ?? 0;
       const pMax = p.max ?? 1;
-      const lengthRatio = pMax - pMin;
-      const midRatio = pMin + (lengthRatio / 2);
-
+      
+      let pWidth = 0, pDepth = 0, pX = 0, pY = 0; 
+      
       if (p.axis === 'x') {
-          // Вертикальная стенка
+          // Вертикальная перегородка
           pWidth = thickness;
-          pDepth = lengthRatio * innerDepth; 
+          // Длина зависит от max-min
+          const length = (pMax - pMin) * innerDepth;
+          pDepth = length;
           
           pX = (-innerWidth / 2) + (innerWidth * p.offset);
-          // Центр по Z (Y в 2D) зависит от min/max
-          // innerTop = -innerDepth/2. Позиция = innerTop + (innerDepth * midRatio)
-          pY = (-innerDepth / 2) + (innerDepth * midRatio);
+          
+          // Центр перегородки по Y (Z в 3D) смещен
+          // Полный диапазон от -innerDepth/2 до +innerDepth/2
+          // Начало: -innerDepth/2 + (innerDepth * pMin)
+          // Конец: -innerDepth/2 + (innerDepth * pMax)
+          // Центр: (Начало + Конец) / 2
+          const startY = (-innerDepth / 2) + (innerDepth * pMin);
+          const endY = (-innerDepth / 2) + (innerDepth * pMax);
+          pY = (startY + endY) / 2;
+          
       } else {
-          // Горизонтальная стенка
-          pWidth = lengthRatio * innerWidth;
+          // Горизонтальная перегородка
+          const length = (pMax - pMin) * innerWidth;
+          pWidth = length;
           pDepth = thickness;
           
-          pX = (-innerWidth / 2) + (innerWidth * midRatio);
+          const startX = (-innerWidth / 2) + (innerWidth * pMin);
+          const endX = (-innerWidth / 2) + (innerWidth * pMax);
+          pX = (startX + endX) / 2;
+          
           pY = (-innerDepth / 2) + (innerDepth * p.offset);
       }
 

src/types.ts

@@ -14,9 +14,9 @@ export interface AppConfig {
 export interface Partition {
   id: string;
   axis: 'x' | 'y';
-  offset: number; // Положение (0.0 - 1.0)
-  min: number;    // Начало линии (0.0 - 1.0)
-  max: number;    // Конец линии (0.0 - 1.0)
+  offset: number; // Позиция (0.0 - 1.0)
+  min: number;    // Начало стенки (0.0 - 1.0)
+  max: number;    // Конец стенки (0.0 - 1.0)
   height: number;
   rounded: boolean;
 }