feat(canvas): 媒体产出模型与选用模型分离 (#597)

Co-authored-by: ddcat666 <26564566+ddcat666@users.noreply.github.com>

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

@@ -12,6 +12,7 @@ import { getCachedResourceBlob } from "@/services/resource-blob-cache";
 import { useCanvasStore } from "@/stores/canvas/use-canvas-store";
 import { useAssetStore } from "@/stores/use-asset-store";
 import { applyGenerationConsumerEffect, generationEffectApplied } from "@/services/generation-consumer-dedupe";
+import { commitProducedModel } from "@/lib/canvas/produced-model";
 import { CanvasNodeType, type CanvasGenerationMode, type CanvasNodeData, type CanvasNodeMetadata } from "@/types/canvas";
 
 export function generationTaskInput(task: GenerationTask) {
@@ -110,15 +111,15 @@ function workflowMetadataForResultNode(): Partial<CanvasNodeMetadata> {
 
 // 原地重生会换 storageKey 但继承旧 assetId，形成「旧素材 + 新资源」配对，云端校验会永久拒绝。
 // 新媒体结果必须清掉旧绑定，交给入库/修复路径按新资源重绑。
-export function applyGeneratedMediaResultMetadata(node: CanvasNodeData, media: CanvasNodeMetadata, extra: Partial<CanvasNodeMetadata> = {}): CanvasNodeMetadata {
-    return {
+export function applyGeneratedMediaResultMetadata(node: CanvasNodeData, media: CanvasNodeMetadata, extra: Partial<CanvasNodeMetadata> = {}, fallbackModel?: string): CanvasNodeMetadata {
+    return commitProducedModel({
         ...node.metadata,
         ...workflowMetadataForResultNode(),
         ...media,
         ...extra,
         errorDetails: undefined,
         assetId: undefined,
-    };
+    }, fallbackModel);
 }
 
 export async function buildGenerationTaskNodeResult(node: CanvasNodeData, task: GenerationTask, nodes: CanvasNodeData[] = [node]): Promise<CanvasNodeData> {
@@ -158,7 +159,7 @@ export async function buildGenerationTaskNodeResult(node: CanvasNodeData, task:
             width: imageSize.width,
             height: imageSize.height,
             position: { x: node.position.x + node.width / 2 - imageSize.width / 2, y: node.position.y + node.height / 2 - imageSize.height / 2 },
-            metadata: applyGeneratedMediaResultMetadata(node, imageMetadata(normalizedImage), { prompt, ...completedTaskMetadata(task) }),
+            metadata: applyGeneratedMediaResultMetadata(node, imageMetadata(normalizedImage), { prompt, ...completedTaskMetadata(task) }, task.model),
         };
     }
 
@@ -179,7 +180,7 @@ export async function buildGenerationTaskNodeResult(node: CanvasNodeData, task:
             ...node,
             type: CanvasNodeType.Video,
             ...geometry,
-            metadata: applyGeneratedMediaResultMetadata(node, videoMetadata(video), { prompt, ...completedTaskMetadata(task) }),
+            metadata: applyGeneratedMediaResultMetadata(node, videoMetadata(video), { prompt, ...completedTaskMetadata(task) }, task.model),
         };
     }
 
@@ -188,7 +189,7 @@ export async function buildGenerationTaskNodeResult(node: CanvasNodeData, task:
         const audio = result.audio.storageKey
             ? { url: await resolveMediaUrl(result.audio.storageKey, result.audio.dataUrl), storageKey: result.audio.storageKey, durationMs: result.audio.durationMs, bytes: result.audio.bytes || 0, mimeType: result.audio.mimeType || "audio/mpeg" }
             : await storeGeneratedAudio(await (await fetch(result.audio.dataUrl)).blob(), result.audio.format || "mp3");
-        return { ...node, type: CanvasNodeType.Audio, metadata: applyGeneratedMediaResultMetadata(node, audioMetadata(audio), { prompt, ...completedTaskMetadata(task) }) };
+        return { ...node, type: CanvasNodeType.Audio, metadata: applyGeneratedMediaResultMetadata(node, audioMetadata(audio), { prompt, ...completedTaskMetadata(task) }, task.model) };
     }
 
     if (!result.text) throw new Error("后端任务没有返回文本");