101 lines
3.7 KiB
Go
101 lines
3.7 KiB
Go
package app
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import (
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"strings"
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"infinite-canvas/backend/internal/model"
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"infinite-canvas/backend/internal/repository"
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)
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// The anchor records the current request and observable reference candidates.
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// It does not infer creative permissions or carry an old goal into a new turn.
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type cloudAgentCreativeAnchor struct {
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Version int `json:"version"`
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UserPrompt string `json:"userPrompt"`
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ReferenceNodeIDs []string `json:"referenceNodeIds,omitempty"`
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ReferenceAssets []cloudAgentReferenceAnchor `json:"referenceAssets,omitempty"`
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}
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type cloudAgentReferenceAnchor struct {
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NodeID string `json:"nodeId"`
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Type string `json:"type"`
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Title string `json:"title,omitempty"`
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Prompt string `json:"prompt,omitempty"`
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AssetTags []string `json:"assetTags,omitempty"`
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ReferenceReady bool `json:"referenceReady"`
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VisualIdentity string `json:"visualIdentity"`
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RequiresVisualInspection bool `json:"requiresVisualInspection"`
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// 旧检查点可能含有未经确认的正文摘录，不再自动写入或跨轮继承。
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VisualNote string `json:"visualNote,omitempty"`
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Width any `json:"width,omitempty"`
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Height any `json:"height,omitempty"`
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}
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// cloudAgentCreativeAnchorForCanvas 按当前画布重建候选素材锚点。
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// 不继承旧视觉标记：工具成功和下一段正文都不是识别成功的可靠证据，节点也可能换图。
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func cloudAgentCreativeAnchorForCanvas(repo *repository.Repository, userID string, canvas *model.CanvasProject, prompt string, _ *cloudAgentCreativeAnchor) (cloudAgentCreativeAnchor, error) {
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anchor := cloudAgentCreativeAnchor{Version: 2, UserPrompt: prompt}
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doc, err := creationDocument(canvas.PayloadJSON)
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if err != nil {
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return cloudAgentCreativeAnchor{}, BadAuthRequest("服务端画布内容无法解析，请先重新同步")
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}
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nodes := creationMaps(doc["nodes"])
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byID := make(map[string]map[string]any, len(nodes))
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for _, node := range nodes {
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if id := stringValue(node["id"]); id != "" {
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byID[id] = node
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}
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}
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ids := make([]string, 0, 16)
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for _, node := range nodes {
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descriptor, known := cloudAgentNodeCapabilityForNode(node)
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if known && descriptor.Connection.CanReference {
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ids = append(ids, stringValue(node["id"]))
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}
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if len(ids) == 16 {
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break
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}
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}
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for _, id := range ids {
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if id == "" || byID[id] == nil {
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continue
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}
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node := byID[id]
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descriptor, known := cloudAgentNodeCapabilityForNode(node)
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if !known || !descriptor.Connection.CanReference {
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continue
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}
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meta, _ := node["metadata"].(map[string]any)
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prompt, _ := cloudAgentMediaPrompt(meta)
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item := cloudAgentReferenceAnchor{
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NodeID: stringValue(node["id"]), Type: descriptor.Type,
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Title: truncateRunes(stringValue(node["title"]), 300),
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Prompt: truncateRunes(prompt, 1000),
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VisualIdentity: "unknown", RequiresVisualInspection: true,
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}
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if tags, ok := meta["assetTags"].([]any); ok {
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for _, tag := range tags {
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if text := strings.TrimSpace(stringValue(tag)); text != "" {
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item.AssetTags = append(item.AssetTags, truncateRunes(text, 120))
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}
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}
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}
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if repo != nil {
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// 角色卡按三视图判定是否可作参考；普通媒体按节点资源判定。
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ref, _, refErr := cloudAgentMediaReference(repo, userID, "", node)
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if refErr == nil {
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item.ReferenceReady = true
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item.Width, item.Height = ref["width"], ref["height"]
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}
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}
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anchor.ReferenceNodeIDs = append(anchor.ReferenceNodeIDs, item.NodeID)
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anchor.ReferenceAssets = append(anchor.ReferenceAssets, item)
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if len(anchor.ReferenceAssets) == 16 {
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break
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}
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}
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return anchor, nil
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}
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