feat(agent): 批量创作表 - 注册节点能力与读写工具

This commit is contained in:
ddCat
2026-09-15 20:56:33 +08:00
parent c57f1b36ae
commit 9868f5e8b8
7 changed files with 815 additions and 3 deletions

View File

@@ -0,0 +1,396 @@
package app
import (
"fmt"
"sort"
"strings"
"unicode/utf8"
"infinite-canvas/backend/internal/model"
"infinite-canvas/backend/internal/repository"
)
const (
maxCloudAgentBatchRows = 500
maxCloudAgentBatchReferences = 6
maxCloudAgentBatchPromptRunes = 20000
)
const (
cloudAgentTryOnBatchPrompt = "参考图1是人物原图,参考图2是目标服装。保持人物身份、五官、姿态和背景不变,将人物服装替换为参考图2中的款式。准确还原服装版型、颜色、材质、纹理和装饰细节,穿着关系自然,光影与原图一致。"
cloudAgentCreativeBatchPrompt = "基于参考图创作一张新的商业图片,保留主体身份和关键产品细节,画面构图完整,光影自然。"
)
type cloudAgentBatchTableEditArgs struct {
SnapshotHash string `json:"snapshotHash"`
NodeID string `json:"nodeId"`
Action string `json:"action"`
RowID string `json:"rowId"`
Patch map[string]any `json:"patch"`
Operation string `json:"operation"`
Concurrency int `json:"concurrency"`
}
type cloudAgentBatchTableMutationPlan struct {
Canvas *model.CanvasProject
Document map[string]any
BeforeJSON string
BeforeSnapshotHash string
Preview cloudAgentApprovalPreview
}
func defaultCloudAgentBatchReferenceColumns() []any {
return []any{
map[string]any{"id": "reference-1", "label": "参考图 1"},
map[string]any{"id": "reference-2", "label": "参考图 2"},
map[string]any{"id": "reference-3", "label": "参考图 3"},
}
}
func cloudAgentBatchTablePatchSchema() map[string]any {
return map[string]any{
"type": "object",
"properties": map[string]any{
"enabled": map[string]any{"type": "boolean"},
"inputNodeIds": map[string]any{"type": "array", "maxItems": maxCloudAgentBatchReferences, "items": map[string]any{"type": "string"}},
"prompt": map[string]any{"type": "string", "maxLength": maxCloudAgentBatchPromptRunes},
},
"additionalProperties": false,
}
}
func batchTableArgumentError() error {
return &cloudAgentArgumentError{BadAuthRequest("批量创作表工具参数无效:仅允许工具 schema 中声明的字段,请重新读取节点并按结构化参数重试")}
}
func batchTableNodeFromDocument(doc map[string]any, nodeID string) (map[string]any, map[string]any, []map[string]any, []map[string]any, error) {
for _, node := range creationMaps(doc["nodes"]) {
if stringValue(node["id"]) != nodeID {
continue
}
if stringValue(node["type"]) != "batch-table" {
return nil, nil, nil, nil, BadAuthRequest("目标节点不是批量创作表节点")
}
metadata, ok := node["metadata"].(map[string]any)
if !ok {
return nil, nil, nil, nil, BadAuthRequest("批量创作表节点数据格式无效")
}
table, ok := metadata["batchTable"].(map[string]any)
if !ok {
return nil, nil, nil, nil, BadAuthRequest("批量创作表节点缺少结构化数据")
}
operation := stringValue(table["operation"])
if operation != "try_on" && operation != "creative" {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效的任务类型")
}
concurrency, ok := cloudAgentInteger(table["concurrency"])
if !ok || !cloudAgentBatchConcurrencyAllowed(concurrency) {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效的并发数")
}
columns := creationMaps(table["referenceColumns"])
if len(columns) < 1 || len(columns) > maxCloudAgentBatchReferences {
return nil, nil, nil, nil, BadAuthRequest("批量创作表必须包含 1 到 6 个参考图列")
}
columnIDs := map[string]bool{}
for _, column := range columns {
id, label := stringValue(column["id"]), stringValue(column["label"])
if validateCloudAgentID(id, "参考图列ID", 120) != nil || strings.TrimSpace(label) == "" || utf8.RuneCountInString(label) > 120 || columnIDs[id] {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效或重复的参考图列")
}
columnIDs[id] = true
}
rows := creationMaps(table["rows"])
if len(rows) > maxCloudAgentBatchRows {
return nil, nil, nil, nil, BadAuthRequest("单个批量创作表最多500行")
}
rowIDs := map[string]bool{}
for _, row := range rows {
rowID := stringValue(row["id"])
if validateCloudAgentID(rowID, "批量创作行ID", 120) != nil || rowIDs[rowID] {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效或重复的行ID")
}
rowIDs[rowID] = true
if _, ok := row["enabled"].(bool); !ok {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效的启用状态")
}
prompt, ok := row["prompt"].(string)
if !ok || utf8.RuneCountInString(prompt) > maxCloudAgentBatchPromptRunes {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效或过长的提示词")
}
if _, err := cloudAgentBatchInputNodeIDs(row["inputNodeIds"], len(columns)); err != nil {
return nil, nil, nil, nil, err
}
if outputNodeID := stringValue(row["outputNodeId"]); outputNodeID != "" && validateCloudAgentID(outputNodeID, "输出节点ID", 120) != nil {
return nil, nil, nil, nil, BadAuthRequest("批量创作表包含无效的输出节点ID")
}
}
return node, table, rows, columns, nil
}
return nil, nil, nil, nil, BadAuthRequest("未找到当前画布的批量创作表节点")
}
func cloudAgentBatchInputNodeIDs(value any, maxItems int) ([]string, error) {
items, ok := value.([]any)
if !ok {
if typed, typedOK := value.([]string); typedOK {
items = make([]any, len(typed))
for index, item := range typed {
items[index] = item
}
} else {
return nil, BadAuthRequest("批量创作行的 inputNodeIds 必须是图片节点ID数组")
}
}
if len(items) > maxItems || len(items) > maxCloudAgentBatchReferences {
return nil, BadAuthRequest("每行参考图数量不能超过当前参考图列数")
}
result := make([]string, 0, len(items))
seen := map[string]bool{}
for _, item := range items {
id, ok := item.(string)
if !ok || validateCloudAgentID(id, "参考图片节点ID", 80) != nil || seen[id] {
return nil, BadAuthRequest("批量创作行包含无效或重复的图片节点ID")
}
seen[id] = true
result = append(result, id)
}
return result, nil
}
func validateCloudAgentBatchInputNodes(doc map[string]any, inputNodeIDs []string) error {
nodes := map[string]map[string]any{}
for _, node := range creationMaps(doc["nodes"]) {
nodes[stringValue(node["id"])] = node
}
for _, id := range inputNodeIDs {
node := nodes[id]
if node == nil || stringValue(node["type"]) != "image" {
return BadAuthRequest("批量创作表只能引用当前画布内真实存在的图片节点")
}
}
return nil
}
func prepareCloudAgentBatchTableEdit(repo *repository.Repository, userID, canvasID string, call cloudAgentCall) (*cloudAgentBatchTableMutationPlan, error) {
var args cloudAgentBatchTableEditArgs
if err := decodeCloudAgentJSONObject(call.Function.Arguments, &args); err != nil {
return nil, batchTableArgumentError()
}
if args.SnapshotHash == "" || args.NodeID == "" {
return nil, BadAuthRequest("编辑批量创作表需要最新快照和节点ID")
}
if err := validateCloudAgentID(args.NodeID, "批量创作表节点ID", 80); err != nil {
return nil, err
}
allowedActions := map[string]bool{"append": true, "update": true, "remove": true, "set_operation": true, "set_concurrency": true, "add_reference_column": true}
if !allowedActions[args.Action] {
return nil, BadAuthRequest("批量创作表操作无效")
}
if args.Action == "append" && args.RowID != "" {
return nil, BadAuthRequest("追加批量创作行不能指定已有 rowId")
}
if (args.Action == "update" || args.Action == "remove") && validateCloudAgentID(args.RowID, "批量创作行ID", 120) != nil {
return nil, BadAuthRequest("修改或删除必须使用最新读取结果中的真实 rowId")
}
canvas, err := repo.CanvasProjectForUser(userID, canvasID)
if err != nil {
return nil, err
}
doc, err := creationDocument(canvas.PayloadJSON)
if err != nil {
return nil, err
}
beforeHash := cloudAgentCanvasHash(doc)
if beforeHash != args.SnapshotHash {
return nil, creationConflict("画布已变化,本次未写入;请重新读取并重新申请审批")
}
node, table, rows, columns, err := batchTableNodeFromDocument(doc, args.NodeID)
if err != nil {
return nil, err
}
metadata := node["metadata"].(map[string]any)
if metadata["locked"] == true {
return nil, BadAuthRequest("不能修改锁定的批量创作表")
}
index := -1
for i, row := range rows {
if stringValue(row["id"]) == args.RowID {
index = i
break
}
}
if (args.Action == "update" || args.Action == "remove") && index < 0 {
return nil, BadAuthRequest("批量创作行不存在,请先读取真实 rowId")
}
fields := []string{}
summaryVerb := "修改"
switch args.Action {
case "append", "update":
if args.Action == "update" && len(args.Patch) == 0 {
return nil, BadAuthRequest("修改批量创作行必须提供 patch")
}
patch, labels, err := validateCloudAgentBatchRowPatch(doc, args.Patch, len(columns))
if err != nil {
return nil, err
}
fields = labels
if args.Action == "append" {
if len(rows) >= maxCloudAgentBatchRows {
return nil, BadAuthRequest("单个批量创作表最多500行")
}
operation := stringValue(table["operation"])
prompt := cloudAgentTryOnBatchPrompt
if operation == "creative" {
prompt = cloudAgentCreativeBatchPrompt
}
inheritedInputNodeIDs := []any{}
if len(rows) > 0 {
inheritedInputNodeIDs = append(inheritedInputNodeIDs, cloudAgentBatchInputIDs(rows[len(rows)-1]["inputNodeIds"], len(columns))...)
}
row := map[string]any{"id": cloudAgentID(userID, fmt.Sprintf("batch-table:%s:%s:%d", args.NodeID, call.ID, len(rows)+1)), "enabled": true, "inputNodeIds": inheritedInputNodeIDs, "prompt": prompt}
for key, value := range patch {
row[key] = value
}
rows = append(rows, row)
summaryVerb = "追加一行到"
if len(fields) == 0 {
fields = []string{"任务行"}
}
} else {
for key, value := range patch {
rows[index][key] = value
}
summaryVerb = "修改"
}
table["rows"] = mapsAsAny(rows)
case "remove":
if len(args.Patch) != 0 || args.Operation != "" || args.Concurrency != 0 {
return nil, BadAuthRequest("删除批量创作行不接受其他修改参数")
}
rows = append(rows[:index], rows[index+1:]...)
table["rows"] = mapsAsAny(rows)
fields, summaryVerb = []string{"任务行"}, "删除一行自"
case "set_operation":
if args.Operation != "try_on" && args.Operation != "creative" {
return nil, BadAuthRequest("批量任务类型必须是 try_on 或 creative")
}
if args.RowID != "" || len(args.Patch) != 0 || args.Concurrency != 0 {
return nil, BadAuthRequest("设置批量任务类型不接受行级修改参数")
}
table["operation"] = args.Operation
fields = []string{"任务类型"}
case "set_concurrency":
if !cloudAgentBatchConcurrencyAllowed(args.Concurrency) {
return nil, BadAuthRequest("并发数必须是 1、5 或 10")
}
if args.RowID != "" || len(args.Patch) != 0 || args.Operation != "" {
return nil, BadAuthRequest("设置并发数不接受行级修改参数")
}
table["concurrency"] = float64(args.Concurrency)
fields = []string{"并发数"}
case "add_reference_column":
if len(columns) >= maxCloudAgentBatchReferences {
return nil, BadAuthRequest("批量创作表最多支持6组参考图")
}
if args.RowID != "" || len(args.Patch) != 0 || args.Operation != "" || args.Concurrency != 0 {
return nil, BadAuthRequest("新增参考图列不接受其他修改参数")
}
next := len(columns) + 1
columns = append(columns, map[string]any{"id": cloudAgentID(userID, fmt.Sprintf("batch-column:%s:%s:%d", args.NodeID, call.ID, next)), "label": fmt.Sprintf("参考图 %d", next)})
table["referenceColumns"] = mapsAsAny(columns)
fields = []string{"参考图列"}
summaryVerb = "新增参考图列到"
}
metadata["batchTable"] = table
title := cloudAgentApprovalNodeTitle(node, "批量创作表")
preview := cloudAgentApprovalPreview{
Kind: "canvas_mutation", Title: "确认修改批量创作表", Description: "Agent 准备修改批量创作表的结构化任务数据。批准后才会写入画布;本操作不会提交生成任务。",
Items: []cloudAgentApprovalPreviewItem{{Operation: "edit_batch_table", NodeID: args.NodeID, NodeTitle: title, NodeType: "batch-table", NodeTypeLabel: "批量创作表", Fields: fields, Summary: fmt.Sprintf("%s批量创作表《%s》", summaryVerb, title)}},
}
return &cloudAgentBatchTableMutationPlan{Canvas: canvas, Document: doc, BeforeJSON: canvas.PayloadJSON, BeforeSnapshotHash: beforeHash, Preview: preview}, nil
}
func validateCloudAgentBatchRowPatch(doc map[string]any, input map[string]any, maxInputs int) (map[string]any, []string, error) {
patch := map[string]any{}
labels := []string{}
for key, value := range input {
switch key {
case "enabled":
if _, ok := value.(bool); !ok {
return nil, nil, BadAuthRequest("enabled 必须是布尔值")
}
patch[key], labels = value, append(labels, "启用状态")
case "prompt":
text, ok := value.(string)
if !ok || utf8.RuneCountInString(text) > maxCloudAgentBatchPromptRunes {
return nil, nil, BadAuthRequest("提示词必须是不超过20000字的文本")
}
patch[key], labels = text, append(labels, "提示词")
case "inputNodeIds":
ids, err := cloudAgentBatchInputNodeIDs(value, maxInputs)
if err != nil {
return nil, nil, err
}
if err := validateCloudAgentBatchInputNodes(doc, ids); err != nil {
return nil, nil, err
}
values := make([]any, len(ids))
for index, id := range ids {
values[index] = id
}
patch[key], labels = values, append(labels, "参考图片")
default:
return nil, nil, BadAuthRequest(fmt.Sprintf("不能通过批量创作表工具修改字段 %s", key))
}
}
sort.Strings(labels)
return patch, labels, nil
}
func cloudAgentBatchConcurrencyAllowed(value int) bool {
return value == 1 || value == 5 || value == 10
}
func applyCloudAgentBatchTableMutation(repo *repository.Repository, userID, canvasID string, call cloudAgentCall, policy RuntimePolicySetting, recorder ...cloudAgentMutationRecorder) (any, error) {
plan, err := prepareCloudAgentBatchTableEdit(repo, userID, canvasID, call)
if err != nil {
return nil, err
}
if err := saveCloudAgentDocument(repo, plan.Canvas, plan.Document, policy); err != nil {
return nil, err
}
if len(recorder) > 0 && recorder[0] != nil {
if err := recorder[0](repo, cloudAgentMutationInput{UserID: userID, CanvasID: canvasID, StepID: call.ID, Operation: call.Function.Name, BeforeSnapshotHash: plan.BeforeSnapshotHash, AfterSnapshotHash: cloudAgentCanvasHash(plan.Document), BeforeJSON: plan.BeforeJSON, Preview: &plan.Preview}); err != nil {
return nil, err
}
}
return map[string]any{"canvasId": canvasID, "nodeId": plan.Preview.Items[0].NodeID, "snapshotHash": cloudAgentCanvasHash(plan.Document), "summary": plan.Preview.Description, "preview": plan.Preview}, nil
}
func cloudAgentBatchTableReadResult(view any, nodeID string) (map[string]any, error) {
state, ok := view.(map[string]any)
if !ok {
return nil, BadAuthRequest("批量创作表读取结果无效")
}
nodes, _ := state["nodes"].([]any)
if len(nodes) != 1 {
return nil, BadAuthRequest("批量创作表读取结果缺少目标节点")
}
node, ok := nodes[0].(map[string]any)
if !ok {
return nil, BadAuthRequest("批量创作表读取结果格式无效")
}
table, ok := node["batchTable"].(map[string]any)
if !ok {
return nil, BadAuthRequest("批量创作表读取结果缺少结构化任务行")
}
rows, _ := table["rows"].([]any)
for _, value := range rows {
if row, ok := value.(map[string]any); ok {
row["rowId"] = row["id"]
}
}
return map[string]any{"nodeId": nodeID, "title": node["title"], "snapshotHash": state["snapshotHash"], "batchTable": table}, nil
}