fix(*): 质量检查 - 修复预演保存、增量同步与缺失资源恢复

web/src/lib/canvas/canvas-generation-result.ts

@@ -45,8 +45,6 @@ export function commitCanvasGenerationResult(current: CanvasNodeData[], before:
     const existingIds = new Set(current.map((node) => node.id));
     return [
         ...committedWithAdditional,
-        ...additionalNodes
-            .filter((node) => !existingIds.has(node.id))
-            .map((node) => ({ ...node, position: { x: node.position.x + merged.position.x - result.position.x, y: node.position.y + merged.position.y - result.position.y } })),
+        ...additionalNodes.filter((node) => !existingIds.has(node.id)).map((node) => ({ ...node, position: { x: node.position.x + merged.position.x - result.position.x, y: node.position.y + merged.position.y - result.position.y } })),
     ];
 }

web/src/lib/canvas/canvas-generation-task-sync.ts

@@ -383,16 +383,16 @@ async function buildGenerationTaskNodeResults(node: CanvasNodeData, task: Genera
         const id = `${node.id}:task:${task.id}:image:${index}`;
         const existing = nodes.find((item) => item.id === id);
         const child = await buildGenerationTaskNodeResult(
-            existing
-                ? { ...node, ...existing, id, title: existing.title, position: existing.position, width: existing.width, height: existing.height }
-                : { ...node, id, title: `${node.title} · ${index + 1}`, parentId: undefined },
+            existing ? { ...node, ...existing, id, title: existing.title, position: existing.position, width: existing.width, height: existing.height } : { ...node, id, title: `${node.title} · ${index + 1}`, parentId: undefined },
             task,
             nodes,
             index,
         );
         children.push({
             ...child,
-            ...(existing ? { title: existing.title, position: existing.position, width: existing.metadata?.manualSize ? existing.width : child.width, height: existing.metadata?.manualSize ? existing.height : child.height } : { position: imageGenerationChildPosition(resultNode.position, resultNode.width, child, index) }),
+            ...(existing
+                ? { title: existing.title, position: existing.position, width: existing.metadata?.manualSize ? existing.width : child.width, height: existing.metadata?.manualSize ? existing.height : child.height }
+                : { position: imageGenerationChildPosition(resultNode.position, resultNode.width, child, index) }),
             metadata: {
                 ...child.metadata,
                 assetId: task.outputs?.find((output) => output.outputIndex === index)?.materializedAssetId,

web/src/lib/model-picker-groups.ts

@@ -15,6 +15,7 @@ export { isDirectSystemModel } from "@/lib/model-selection";
 export function modelChannelLabel(config: AiConfig, value: string) {
     const channel = resolveModelChannel(config, value);
     const cost = channel.modelCosts?.find((item) => item.model === modelOptionName(value));
+    if (channel.scope === "system") return cost?.channelLabel?.trim() || "系统模型";
     return cost?.channelLabel?.trim() || channel.name || "未命名渠道";
 }
 
@@ -39,7 +40,7 @@ export function groupModelsForPicker(config: AiConfig, options: string[]): Model
             const key = JSON.stringify(["channel", channel.id]);
             groups.set(key, {
                 key,
-                label: channel.name || "未命名渠道",
+                label: channel.scope === "system" ? "系统模型" : channel.name || "未命名渠道",
                 icon: modelIcon(config, otherModels[0]),
                 scope: channel.id === PUBLIC_MODEL_CATALOG_ID ? "" : "我的模型",
                 kind: "channel",