573 lines
21 KiB
Go
573 lines
21 KiB
Go
package app
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"sort"
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"strings"
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"unicode/utf8"
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"yingce/backend/internal/canvas/capability"
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"yingce/backend/internal/canvas/layout"
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"yingce/backend/internal/model"
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"yingce/backend/internal/repository"
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)
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// cloudAgentApprovalPreview is server-authored explanatory data. It never
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// grants capabilities: execution still validates the original call, snapshot,
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// ownership, node registry, locks and budget after approval.
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type cloudAgentApprovalPreview struct {
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Kind string `json:"kind"`
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Status string `json:"status,omitempty"`
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Title string `json:"title"`
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Description string `json:"description"`
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Items []cloudAgentApprovalPreviewItem `json:"items"`
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}
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type cloudAgentApprovalPreviewItem struct {
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Operation string `json:"operation"`
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NodeID string `json:"nodeId,omitempty"`
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NodeTitle string `json:"nodeTitle,omitempty"`
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ResultTitle string `json:"resultTitle,omitempty"`
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NodeType string `json:"nodeType,omitempty"`
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NodeTypeLabel string `json:"nodeTypeLabel,omitempty"`
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TargetNodeID string `json:"targetNodeId,omitempty"`
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TargetNodeTitle string `json:"targetNodeTitle,omitempty"`
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TargetNodeType string `json:"targetNodeType,omitempty"`
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Fields []string `json:"fields,omitempty"`
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Details []string `json:"details,omitempty"`
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Summary string `json:"summary"`
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}
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type cloudAgentCanvasMutationPlan struct {
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Args agentCanvasArgs
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Canvas *model.CanvasProject
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Document map[string]any
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BeforeJSON string
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BeforeSnapshotHash string
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Preview cloudAgentApprovalPreview
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}
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// prepareCloudAgentCanvasMutation is the single dry-run and execution planner.
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// Approval previews and the eventual write therefore share the exact same
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// parser, snapshot check and capability validation instead of drifting apart.
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func prepareCloudAgentCanvasMutation(repo *repository.Repository, userID, canvasID string, call cloudAgentCall) (*cloudAgentCanvasMutationPlan, error) {
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args, err := decodeCloudAgentCanvasArgs(call.Function.Arguments)
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if err != nil {
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return nil, err
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}
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canvas, err := repo.CanvasProjectForUser(userID, canvasID)
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if err != nil {
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return nil, err
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}
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doc, err := creationDocument(canvas.PayloadJSON)
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if err != nil {
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return nil, err
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}
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beforeHash := cloudAgentCanvasHash(doc)
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if beforeHash != args.SnapshotHash {
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return nil, &cloudAgentFieldArgumentError{error: &cloudAgentArgumentError{creationConflict("画布已变化，本次未写入；请重新读取并重新申请审批")}, Field: "snapshotHash", Issue: "stale_snapshot"}
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}
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items, err := applyCloudAgentCanvasPlan(doc, args.Ops)
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if err != nil {
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return nil, err
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}
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return &cloudAgentCanvasMutationPlan{
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Args: args,
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Canvas: canvas,
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Document: doc,
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BeforeJSON: canvas.PayloadJSON,
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BeforeSnapshotHash: beforeHash,
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Preview: cloudAgentCanvasApprovalPreview(items),
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}, nil
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}
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func applyCloudAgentCanvasPlan(doc map[string]any, ops []agentCanvasOp) ([]cloudAgentApprovalPreviewItem, error) {
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nodes := creationMaps(doc["nodes"])
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edges := creationMaps(doc["connections"])
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items := make([]cloudAgentApprovalPreviewItem, 0, len(ops))
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for opIndex, op := range ops {
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title, content := "", ""
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if op.Title != nil {
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title = *op.Title
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}
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if op.Content != nil {
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content = *op.Content
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}
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if err := validateCloudAgentID(op.ID, "节点或连线 ID", 80); err != nil {
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return nil, err
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}
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if op.Type == "add_node" && (utf8.RuneCountInString(content) > 16000 || utf8.RuneCountInString(title) > 240) {
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return nil, BadAuthRequest("节点标题或正文超出限制")
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}
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index := cloudAgentNodeIndex(nodes, op.ID)
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switch op.Type {
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case "add_node":
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if index >= 0 {
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return nil, BadAuthRequest("新增节点ID重复")
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}
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capability, ok := cloudAgentNodeCapabilityForType(op.NodeType)
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if strings.TrimSpace(op.NodeType) == "" {
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return nil, BadAuthRequest("新增节点缺少 nodeType")
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}
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if !ok {
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return nil, BadAuthRequest("不支持的节点类型")
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}
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x, y := op.X, op.Y
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if x == nil || y == nil {
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// 没有（完整）坐标时不落到原点：按泳道与依赖关系算一个空位，
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// 保证同一批新增的多个节点也不会互相重叠。模型只给了一个轴时保留它。
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pending := cloudAgentLayoutNodes(map[string]any{"nodes": nodes})
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var hint *layout.Position
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if x != nil || y != nil {
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hint = &layout.Position{}
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if x != nil {
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hint.X = *x
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}
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if y != nil {
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hint.Y = *y
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}
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}
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if slot, ok := cloudAgentArrangeAddNodePosition(doc, pending, op, ops, hint); ok {
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if x == nil {
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value := slot.X
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x = &value
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}
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if y == nil {
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value := slot.Y
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y = &value
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}
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}
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}
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node := creationAddedNode(CreationCanvasOp{Type: op.Type, ID: op.ID, NodeType: op.NodeType, Title: title, X: x, Y: y, Metadata: capability.Metadata(content)})
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nodes = append(nodes, node)
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nodeTitle := cloudAgentApprovalNodeTitle(node, capability.Label)
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items = append(items, cloudAgentApprovalPreviewItem{
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Operation: "add_node", NodeID: op.ID, NodeTitle: nodeTitle,
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NodeType: capability.Type, NodeTypeLabel: capability.Label,
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Summary: fmt.Sprintf("新增%s《%s》", capability.Label, nodeTitle),
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})
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case "connect_nodes":
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if err := validateCloudAgentID(op.FromNodeID, "来源节点 ID", 80); err != nil {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].fromNodeId", opIndex), "invalid_value", cloudAgentSafeToolError(err))
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}
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if err := validateCloudAgentID(op.ToNodeID, "目标节点 ID", 80); err != nil {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].toNodeId", opIndex), "invalid_value", cloudAgentSafeToolError(err))
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}
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fromIndex, toIndex := cloudAgentNodeIndex(nodes, op.FromNodeID), cloudAgentNodeIndex(nodes, op.ToNodeID)
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switch {
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case fromIndex < 0:
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].fromNodeId", opIndex), "not_found", "连线来源节点不在当前画布；请重新读取画布并使用真实节点 ID")
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case toIndex < 0:
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].toNodeId", opIndex), "not_found", "连线目标节点不在当前画布；请重新读取画布并使用真实节点 ID")
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case op.FromNodeID == op.ToNodeID:
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].toNodeId", opIndex), "invalid_value", "连线不能指向自身；请选择另一个目标节点")
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}
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if err := validateCloudAgentConnectionWithHandles(nodes, op.FromNodeID, op.ToNodeID, op.FromHandleID, op.ToHandleID, edges); err != nil {
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// 保留端点校验指出的具体字段，让模型只修正错误 handle，而不是放弃镜头绑定。
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var fieldErr *cloudAgentFieldArgumentError
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if errors.As(err, &fieldErr) {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].%s", opIndex, fieldErr.Field), fieldErr.Issue, cloudAgentSafeToolError(err))
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}
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d]", opIndex), "invalid_connection", cloudAgentSafeToolError(err))
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}
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for _, edge := range edges {
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if stringValue(edge["id"]) == op.ID {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d].id", opIndex), "duplicate", "连线 ID 已存在；请为新连线指定未使用的 ID")
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}
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if stringValue(edge["fromNodeId"]) == op.FromNodeID && stringValue(edge["toNodeId"]) == op.ToNodeID && stringValue(edge["fromHandleId"]) == op.FromHandleID && stringValue(edge["toHandleId"]) == op.ToHandleID {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d]", opIndex), "duplicate", "这两个节点与 handle 之间已有连线；请移除重复操作")
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}
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}
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fromCapability, _ := cloudAgentNodeCapabilityForNode(nodes[fromIndex])
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toCapability, _ := cloudAgentNodeCapabilityForNode(nodes[toIndex])
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fromTitle := cloudAgentApprovalNodeTitle(nodes[fromIndex], fromCapability.Label)
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toTitle := cloudAgentApprovalNodeTitle(nodes[toIndex], toCapability.Label)
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edge := map[string]any{"id": op.ID, "fromNodeId": op.FromNodeID, "toNodeId": op.ToNodeID}
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if op.FromHandleID != "" {
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edge["fromHandleId"] = op.FromHandleID
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}
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if op.ToHandleID != "" {
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edge["toHandleId"] = op.ToHandleID
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}
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edges = append(edges, edge)
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if err := applyCloudAgentStoryboardConnection(nodes, op.FromNodeID, op.ToNodeID, op.FromHandleID, op.ToHandleID); err != nil {
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return nil, cloudAgentFieldError(fmt.Sprintf("ops[%d]", opIndex), "invalid_connection", cloudAgentSafeToolError(err))
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}
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details := cloudAgentStoryboardConnectionDetails(op.FromHandleID, op.ToHandleID)
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items = append(items, cloudAgentApprovalPreviewItem{
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Operation: "connect_nodes", NodeID: op.FromNodeID, NodeTitle: fromTitle,
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NodeType: fromCapability.Type, NodeTypeLabel: fromCapability.Label,
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TargetNodeID: op.ToNodeID, TargetNodeTitle: toTitle, TargetNodeType: toCapability.Type,
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Details: details,
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Summary: fmt.Sprintf("建立《%s》→《%s》的引用连线", fromTitle, toTitle),
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})
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case "update_node":
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if len(op.Patch) == 0 {
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// 漏字段是模型照 schema 就能自己修好的参数错误：当成工具结果回给它重试，
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// 而不是判整轮失败（用户只在失败提示里看到一句"必须提供 patch"）。
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// 未知操作类型仍按准入失败终止（cloud_agent_test.go 有用例断言这一行为）。
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return nil, &cloudAgentArgumentError{BadAuthRequest("更新节点必须提供 patch")}
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}
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if index < 0 {
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return nil, BadAuthRequest("只能更新现有且受 Agent 支持的节点")
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}
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capability, ok := cloudAgentNodeCapabilityForNode(nodes[index])
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if !ok || !capability.CanUpdate {
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return nil, BadAuthRequest("该节点类型不支持 Agent 更新")
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}
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metadata, _ := nodes[index]["metadata"].(map[string]any)
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if metadata["locked"] == true {
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return nil, BadAuthRequest("不能修改锁定节点")
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}
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beforeTitle := cloudAgentApprovalNodeTitle(nodes[index], capability.Label)
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fields := cloudAgentApprovalPatchLabels(capability.PatchFields, op.Patch)
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if err := capability.ApplyPatch(nodes[index], op.Patch); err != nil {
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return nil, BadAuthRequest(err.Error())
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}
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if err := validateCloudAgentVideoFramePatch(nodes[index], nodes, edges, op.Patch); err != nil {
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return nil, err
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}
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afterTitle := cloudAgentApprovalNodeTitle(nodes[index], capability.Label)
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resultTitle := ""
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if afterTitle != beforeTitle {
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resultTitle = afterTitle
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}
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items = append(items, cloudAgentApprovalPreviewItem{
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Operation: "update_node", NodeID: op.ID, NodeTitle: beforeTitle, ResultTitle: resultTitle,
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NodeType: capability.Type, NodeTypeLabel: capability.Label, Fields: fields,
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Summary: fmt.Sprintf("修改%s《%s》的%s", capability.Label, beforeTitle, strings.Join(fields, "、")),
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})
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default:
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return nil, BadAuthRequest("不支持的画布写操作")
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}
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}
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doc["nodes"] = nodes
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doc["connections"] = edges
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return items, nil
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}
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func applyCloudAgentStoryboardConnection(nodes []map[string]any, fromNodeID, toNodeID, fromHandleID, toHandleID string) error {
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if fromHandleID == "" && toHandleID == "" {
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return nil
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}
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from := cloudAgentNodeByID(nodes, fromNodeID)
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to := cloudAgentNodeByID(nodes, toNodeID)
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if from == nil || to == nil {
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return BadAuthRequest("分镜连线端点不存在")
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}
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scriptNode, linkedNode, handleID := from, to, fromHandleID
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scriptIsSource := true
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if handleID == "" {
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scriptNode, linkedNode, handleID = to, from, toHandleID
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scriptIsSource = false
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}
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if stringValue(scriptNode["type"]) != "script" {
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return BadAuthRequest("分镜 handle 必须挂在分镜脚本节点上")
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}
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metadata, ok := scriptNode["metadata"].(map[string]any)
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if !ok {
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return BadAuthRequest("分镜节点数据格式无效")
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}
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storyboard, ok := metadata["storyboard"].(map[string]any)
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if !ok {
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return BadAuthRequest("分镜节点缺少结构化表格")
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}
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if handleID == "storyboard:context" {
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ids := stringIDs(storyboard["referenceNodeIds"])
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linkedID := stringValue(linkedNode["id"])
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if linkedID != "" && !containsStoryboardString(ids, linkedID) {
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storyboard["referenceNodeIds"] = append(idsAsAny(ids), linkedID)
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}
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return nil
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}
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rowID := strings.TrimPrefix(handleID, "row:")
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var row map[string]any
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for _, candidate := range creationMaps(storyboard["rows"]) {
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if stringValue(candidate["id"]) == rowID {
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row = candidate
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break
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}
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}
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if row == nil {
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return BadAuthRequest("分镜行不存在，请先读取最新分镜行 ID")
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}
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if scriptIsSource {
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switch stringValue(linkedNode["type"]) {
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case "image":
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row["imageNodeId"] = linkedNode["id"]
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case "video":
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row["videoNodeId"] = linkedNode["id"]
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}
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return nil
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}
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binding, ok := cloudAgentStoryboardBinding(linkedNode)
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if !ok {
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return nil
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}
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bindings := creationMaps(row["assetBindings"])
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for _, existing := range bindings {
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if stringValue(existing["nodeId"]) == stringValue(linkedNode["id"]) {
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return nil
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}
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}
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row["assetBindings"] = append(bindingsAsAny(bindings), binding)
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return nil
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}
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func cloudAgentStoryboardConnectionDetails(fromHandleID, toHandleID string) []string {
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handleID := fromHandleID
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if handleID == "" {
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handleID = toHandleID
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}
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if handleID == "storyboard:context" {
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return []string{"挂载到分镜全局设定"}
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}
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if strings.HasPrefix(handleID, "row:") {
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return []string{fmt.Sprintf("挂载到镜头行 %s", strings.TrimPrefix(handleID, "row:"))}
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}
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return nil
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}
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func cloudAgentStoryboardBinding(node map[string]any) (map[string]any, bool) {
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metadata, _ := node["metadata"].(map[string]any)
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role := ""
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switch {
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case stringValue(metadata["workflowKind"]) == "character" || stringValue(metadata["assetCategory"]) == "character":
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role = "character"
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case stringValue(node["type"]) == "audio":
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role = "audio"
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case stringValue(node["type"]) == "video":
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role = "motion"
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case stringValue(metadata["assetCategory"]) == "environment":
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role = "environment"
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case stringValue(metadata["assetCategory"]) == "prop":
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role = "prop"
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case stringValue(node["type"]) == "image":
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role = "style"
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}
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if role == "" || stringValue(node["id"]) == "" {
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return nil, false
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}
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priority := 60
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switch role {
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case "character":
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priority = 100
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case "environment":
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priority = 90
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case "prop", "wardrobe", "weapon":
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priority = 80
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case "motion", "audio":
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priority = 70
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}
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return map[string]any{"nodeId": node["id"], "role": role, "priority": float64(priority)}, true
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}
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func cloudAgentNodeByID(nodes []map[string]any, id string) map[string]any {
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for _, node := range nodes {
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if stringValue(node["id"]) == id {
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return node
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}
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}
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return nil
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}
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func stringIDs(value any) []string {
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values, _ := value.([]any)
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ids := make([]string, 0, len(values))
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for _, item := range values {
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if id := stringValue(item); id != "" {
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ids = append(ids, id)
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}
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}
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return ids
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}
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func idsAsAny(values []string) []any {
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out := make([]any, len(values))
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for index, value := range values {
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out[index] = value
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}
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return out
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}
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func bindingsAsAny(values []map[string]any) []any {
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out := make([]any, len(values))
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for index, value := range values {
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out[index] = value
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}
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return out
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}
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func containsStoryboardString(values []string, target string) bool {
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for _, value := range values {
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if value == target {
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return true
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}
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}
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return false
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}
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func cloudAgentCanvasAppliedPreview(preview cloudAgentApprovalPreview) cloudAgentApprovalPreview {
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applied := preview
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counts := map[string]int{}
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for _, item := range preview.Items {
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counts[item.Operation]++
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}
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parts := make([]string, 0, 3)
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if counts["add_node"] > 0 {
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parts = append(parts, fmt.Sprintf("新增 %d 个节点", counts["add_node"]))
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}
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if counts["update_node"] > 0 {
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parts = append(parts, fmt.Sprintf("修改 %d 个节点", counts["update_node"]))
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}
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if counts["connect_nodes"] > 0 {
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parts = append(parts, fmt.Sprintf("建立 %d 条引用连线", counts["connect_nodes"]))
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}
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applied.Status = "applied"
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applied.Title = "画布修改已写入"
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applied.Description = fmt.Sprintf("画布修改已写入：%s。", strings.Join(parts, "，"))
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return applied
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}
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func cloudAgentCanvasApprovalPreview(items []cloudAgentApprovalPreviewItem) cloudAgentApprovalPreview {
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counts := map[string]int{}
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for _, item := range items {
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counts[item.Operation]++
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}
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parts := make([]string, 0, 3)
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if counts["add_node"] > 0 {
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parts = append(parts, fmt.Sprintf("新增 %d 个节点", counts["add_node"]))
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}
|
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if counts["update_node"] > 0 {
|
||
parts = append(parts, fmt.Sprintf("修改 %d 个节点", counts["update_node"]))
|
||
}
|
||
if counts["connect_nodes"] > 0 {
|
||
parts = append(parts, fmt.Sprintf("建立 %d 条引用连线", counts["connect_nodes"]))
|
||
}
|
||
return cloudAgentApprovalPreview{
|
||
Kind: "canvas_mutation", Title: "确认画布修改",
|
||
Description: fmt.Sprintf("Agent 准备%s。请确认目标节点和修改字段；批准后才会写入画布。", strings.Join(parts, "，")),
|
||
Items: items,
|
||
}
|
||
}
|
||
|
||
func cloudAgentMediaApprovalPreview(plan *cloudAgentMediaPlan, modelName string) cloudAgentApprovalPreview {
|
||
args := plan.Args
|
||
descriptor, _ := cloudAgentNodeCapabilityForGenerationMode(args.Mode)
|
||
nodeTitle := truncateRunes(strings.TrimSpace(args.Title), 120)
|
||
if nodeTitle == "" {
|
||
nodeTitle = "未命名" + descriptor.Label
|
||
}
|
||
details := make([]string, 0, 6)
|
||
if modelName != "" {
|
||
details = append(details, "模型："+truncateRunes(modelName, 120))
|
||
}
|
||
if len(args.ReferenceNodeIDs) > 0 {
|
||
details = append(details, fmt.Sprintf("引用 %d 个画布资产并建立连线", len(args.ReferenceNodeIDs)))
|
||
} else {
|
||
details = append(details, "不引用画布媒体资产")
|
||
}
|
||
if len(args.CharacterLabels) > 0 {
|
||
details = append(details, "使用角色卡："+truncateRunes(strings.Join(args.CharacterLabels, "、"), 200))
|
||
}
|
||
if args.Duration > 0 {
|
||
details = append(details, fmt.Sprintf("时长：%d 秒", args.Duration))
|
||
}
|
||
if args.Size != "" {
|
||
details = append(details, "画幅："+truncateRunes(args.Size, 40))
|
||
}
|
||
if args.VideoStartFrameNodeID != "" {
|
||
details = append(details, "首帧节点："+truncateRunes(args.VideoStartFrameNodeID, 80))
|
||
}
|
||
if args.VideoEndFrameNodeID != "" {
|
||
details = append(details, "尾帧节点："+truncateRunes(args.VideoEndFrameNodeID, 80))
|
||
}
|
||
if args.Quality != "" {
|
||
details = append(details, "质量："+truncateRunes(args.Quality, 40))
|
||
}
|
||
if args.VideoGenerateAudio != nil {
|
||
value := "关闭"
|
||
if *args.VideoGenerateAudio {
|
||
value = "开启"
|
||
}
|
||
details = append(details, "音频："+value)
|
||
}
|
||
return cloudAgentApprovalPreview{
|
||
Kind: "media_generation", Title: "确认生成" + descriptor.Label,
|
||
Description: descriptor.Label + "草稿节点和引用连线已创建，尚未提交生成。确认规格后批准才会提交收费任务；拒绝则保留草稿，结果自动回写画布。",
|
||
Items: []cloudAgentApprovalPreviewItem{{
|
||
Operation: "generate_media", NodeID: args.NodeID, NodeTitle: nodeTitle,
|
||
NodeType: descriptor.Type, NodeTypeLabel: descriptor.Label, Details: details,
|
||
Summary: "生成" + descriptor.Label + "《" + nodeTitle + "》",
|
||
}},
|
||
}
|
||
}
|
||
|
||
func cloudAgentApprovalPatchLabels(fields map[string]capability.PatchField, patch map[string]any) []string {
|
||
keys := make([]string, 0, len(patch))
|
||
for key := range patch {
|
||
keys = append(keys, key)
|
||
}
|
||
sort.Slice(keys, func(i, j int) bool {
|
||
left, right := fields[keys[i]], fields[keys[j]]
|
||
if left.Order != right.Order {
|
||
return left.Order < right.Order
|
||
}
|
||
return keys[i] < keys[j]
|
||
})
|
||
labels := make([]string, 0, len(keys))
|
||
for _, key := range keys {
|
||
if field, ok := fields[key]; ok {
|
||
labels = append(labels, field.Label)
|
||
}
|
||
}
|
||
return labels
|
||
}
|
||
|
||
func cloudAgentNodeIndex(nodes []map[string]any, id string) int {
|
||
for index, node := range nodes {
|
||
if stringValue(node["id"]) == id {
|
||
return index
|
||
}
|
||
}
|
||
return -1
|
||
}
|
||
|
||
func cloudAgentApprovalNodeTitle(node map[string]any, typeLabel string) string {
|
||
title := truncateRunes(strings.TrimSpace(stringValue(node["title"])), 120)
|
||
if title != "" {
|
||
return title
|
||
}
|
||
return "未命名" + typeLabel
|
||
}
|
||
|
||
func cloudAgentApprovalCallHash(call cloudAgentCall) string {
|
||
// Tool-call IDs are transport metadata and may be regenerated when the
|
||
// model retries the same approved operation. Hash only the operation
|
||
// payload so approval survives a retry with a different call ID. A media
|
||
// snapshot hash is also a concurrency hint, not generation input: the
|
||
// server revalidates the prepared dependency hash below, which deliberately
|
||
// ignores layout-only edits such as moving a node.
|
||
arguments := call.Function.Arguments
|
||
if call.Function.Name == "generate_media" || call.Function.Name == "image_layer_split" {
|
||
var object map[string]any
|
||
if err := json.Unmarshal([]byte(arguments), &object); err == nil {
|
||
delete(object, "snapshotHash")
|
||
if raw, err := json.Marshal(object); err == nil {
|
||
arguments = string(raw)
|
||
}
|
||
}
|
||
}
|
||
payload := struct {
|
||
Name string `json:"name"`
|
||
Arguments string `json:"arguments"`
|
||
}{Name: call.Function.Name, Arguments: arguments}
|
||
raw, _ := json.Marshal(payload)
|
||
sum := sha256.Sum256(raw)
|
||
return hex.EncodeToString(sum[:])
|
||
}
|