feat(wordcloud): 收口在途开发（布局/存储/前端）+ R4 WCD 生产任务(jobs wcd_file)与生产订单列表

frontend/src/styles.css

@@ -1640,8 +1640,90 @@ body.resizing {
 }
 
 .layer-row {
+  grid-template-columns: 56px minmax(0, 1fr);
+  gap: 8px;
+  padding: 6px;
+  align-items: start;
+}
+
+.layer-info {
+  display: grid;
   gap: 5px;
-  padding: 5px;
+  min-width: 0;
+}
+
+.layer-thumb-wrap {
+  position: relative;
+  width: 56px;
+  height: 56px;
+  overflow: hidden;
+  border: 1px solid var(--border);
+  border-radius: var(--radius-sm);
+  background: var(--bg-panel);
+}
+
+.layer-thumb {
+  position: absolute;
+  inset: 0;
+  overflow: hidden;
+  background:
+    linear-gradient(45deg, color-mix(in srgb, var(--border) 32%, transparent) 25%, transparent 25%),
+    linear-gradient(-45deg, color-mix(in srgb, var(--border) 32%, transparent) 25%, transparent 25%),
+    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--border) 32%, transparent) 75%),
+    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--border) 32%, transparent) 75%);
+  background-size: 8px 8px;
+  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
+}
+
+.layer-thumb-hidden {
+  opacity: 0.45;
+}
+
+.layer-thumb-scale {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  overflow: hidden;
+}
+
+.layer-thumb-doc {
+  position: relative;
+  transform-origin: 0 0;
+  pointer-events: none;
+}
+
+.layer-thumb-image,
+.layer-thumb-text,
+.layer-thumb-shape,
+.layer-thumb-line {
+  position: relative;
+  pointer-events: none;
+  user-select: none;
+  box-sizing: border-box;
+}
+
+.layer-thumb-image {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.layer-thumb-text {
+  overflow: hidden;
+  white-space: pre-wrap;
+  word-break: break-word;
+  line-height: 1.1;
+}
+
+.layer-thumb-line {
+  display: flex;
+  align-items: center;
+}
+
+.layer-thumb-ellipse {
+  border-radius: 50%;
 }
 
 .layer-row.active {
@@ -1667,7 +1749,6 @@ body.resizing {
 
 .layer-sub-line {
   grid-template-columns: minmax(0, 1fr) auto;
-  padding-left: 49px;
 }
 
 .layer-action-group {