src/utils/flowResources.js

@@ -2,6 +2,8 @@ import { getDeviceKindForAction } from '@/utils/robotDevice'
 
 export const FLOW_SCHEMA_VERSION = 2
 export const DEFAULT_ROLE_KEY = 'default_executor'
+export const FLOW_NODE_RESOURCE_OWNER = 'FLOW_NODE'
+export const USER_RESOURCE_OWNER = 'USER'
 
 const DEVICE_KIND_META = Object.freeze({
   1: { key: 'agv', name: '移动底盘' },
@@ -75,6 +77,7 @@ const findOrCreateLegacySlot = (role, node, legacySlotByIdentity, legacyDeviceId
   if (legacySlotByIdentity.has(identity)) return legacySlotByIdentity.get(identity)
 
   const slot = createDeviceSlot(kind, role.deviceSlots)
+  slot.managedBy = FLOW_NODE_RESOURCE_OWNER
   if (normalizedDeviceId) slot.legacyDeviceId = normalizedDeviceId
   role.deviceSlots.push(slot)
   legacySlotByIdentity.set(identity, slot)
@@ -117,8 +120,11 @@ export const normalizeFlowResourceSchema = (sourceGraph) => {
   }))
 
   graph.nodes.forEach((node) => {
-    if (!isRobotNode(node)) return
     const properties = node.properties || (node.properties = {})
+    if (!isRobotNode(node)) {
+      delete properties.executionTarget
+      return
+    }
     const target = properties.executionTarget || {
       roleKey: defaultRole.roleKey,
       dispatchPolicy: 'ONE',
@@ -133,6 +139,10 @@ export const normalizeFlowResourceSchema = (sourceGraph) => {
       const slot = findOrCreateLegacySlot(targetRole, node, legacySlotByIdentity, deviceParam?.input)
       if (slot) target.deviceSlotKey = slot.slotKey
     }
+    const referencedSlot = targetRole.deviceSlots.find((slot) => slot.slotKey === target.deviceSlotKey)
+    if (referencedSlot && !referencedSlot.managedBy) {
+      referencedSlot.managedBy = FLOW_NODE_RESOURCE_OWNER
+    }
     delete target.deviceBindings
     properties.nodeParams = (properties.nodeParams || []).filter((param) => param.name !== 'deviceId')
     properties.executionTarget = target
@@ -147,6 +157,53 @@ export const ensureNodeExecutionResources = (sourceGraph, nodeId) => {
   return { graph, node, start: getStartNode(graph) }
 }
 
+/**
+ * Removes role definitions and device usages that were registered automatically
+ * for flow nodes and are no longer referenced by any remaining node.
+ */
+export const pruneUnusedNodeResources = (sourceGraph) => {
+  const graph = clone(sourceGraph || { nodes: [], edges: [] })
+  const start = getStartNode(graph)
+  if (!start?.properties?.resourceRoles) {
+    return { graph, start, removedRoles: 0, removedSlots: 0 }
+  }
+
+  const usedRoleKeys = new Set()
+  const usedSlotsByRole = new Map()
+  graph.nodes.filter(isRobotNode).forEach((node) => {
+    const target = node.properties?.executionTarget
+    if (!target?.roleKey) return
+    usedRoleKeys.add(target.roleKey)
+    if (!target.deviceSlotKey) return
+    if (!usedSlotsByRole.has(target.roleKey)) usedSlotsByRole.set(target.roleKey, new Set())
+    usedSlotsByRole.get(target.roleKey).add(target.deviceSlotKey)
+  })
+
+  let removedSlots = 0
+  start.properties.resourceRoles.forEach((role) => {
+    const usedSlotKeys = usedSlotsByRole.get(role.roleKey) || new Set()
+    role.deviceSlots = (role.deviceSlots || []).filter((slot) => {
+      const shouldRemove = slot.managedBy === FLOW_NODE_RESOURCE_OWNER && !usedSlotKeys.has(slot.slotKey)
+      if (shouldRemove) removedSlots += 1
+      return !shouldRemove
+    })
+  })
+
+  const beforeRoleCount = start.properties.resourceRoles.length
+  start.properties.resourceRoles = start.properties.resourceRoles.filter((role, index) => (
+    index === 0
+    || role.managedBy !== FLOW_NODE_RESOURCE_OWNER
+    || usedRoleKeys.has(role.roleKey)
+  ))
+
+  return {
+    graph,
+    start,
+    removedRoles: beforeRoleCount - start.properties.resourceRoles.length,
+    removedSlots,
+  }
+}
+
 export const validateFlowResources = (sourceGraph) => {
   const graph = normalizeFlowResourceSchema(sourceGraph)
   const roles = getResourceRoles(graph)
@@ -212,8 +269,12 @@ export const mergeCopiedResourceRoles = (targetGraph, sourceRoles = [], copiedNo
 
     if (!targetRole && sourceRole) {
       targetRole = clone(sourceRole)
+      targetRole.managedBy = FLOW_NODE_RESOURCE_OWNER
       delete targetRole.legacyRobotId
-      ;(targetRole.deviceSlots || []).forEach((slot) => delete slot.legacyDeviceId)
+      ;(targetRole.deviceSlots || []).forEach((slot) => {
+        slot.managedBy = FLOW_NODE_RESOURCE_OWNER
+        delete slot.legacyDeviceId
+      })
       targetRoles.push(targetRole)
       addedRoles += 1
       addedSlots += targetRole.deviceSlots?.length || 0
@@ -231,6 +292,7 @@ export const mergeCopiedResourceRoles = (targetGraph, sourceRoles = [], copiedNo
         return
       }
       const newSlot = sourceSlot ? clone(sourceSlot) : createDeviceSlot(getDeviceKindForAction(node.properties?.action), targetRole.deviceSlots)
+      newSlot.managedBy = FLOW_NODE_RESOURCE_OWNER
       delete newSlot.legacyDeviceId
       targetRole.deviceSlots.push(newSlot)
       target.deviceSlotKey = newSlot.slotKey

src/views/flow/components/params/BasicNodeParams.vue

@@ -237,11 +237,13 @@ const validateAndSave = async () => {
         ElMessage.warning('请选择该节点使用的设备用途')
     }
 
-    // 保存到 lf
-    lf.setProperties(props.data.id, {
+    // 非机器人节点不应携带机器人执行目标，避免后端将空对象误判为无效角色引用。
+    const properties = {
         ...props.data.properties,
         ...formData
-    })
+    }
+    if (!isRobotNode.value) delete properties.executionTarget
+    lf.setProperties(props.data.id, properties)
 
     if (inputValid && outputValid) {
         emit('save-success')

src/views/flow/components/params/StartParams.vue

@@ -69,6 +69,7 @@ import {
   createDeviceSlot,
   createResourceKey,
   normalizeFlowResourceSchema,
+  USER_RESOURCE_OWNER,
 } from '@/utils/flowResources'
 
 const props = defineProps({ data: Object })
@@ -93,11 +94,15 @@ const addRole = () => {
     ...createDefaultRobotRole(),
     roleKey: createResourceKey('robot_role'),
     displayName: `机器人角色${formData.resourceRoles.length + 1}`,
+    managedBy: USER_RESOURCE_OWNER,
   })
 }
 
 const addDeviceSlot = (role) => {
-  role.deviceSlots.push(createDeviceSlot(null, role.deviceSlots))
+  role.deviceSlots.push({
+    ...createDeviceSlot(null, role.deviceSlots),
+    managedBy: USER_RESOURCE_OWNER,
+  })
 }
 
 const referencedNodes = (predicate) => globalThis.lf.getGraphData().nodes.filter((node) => predicate(node.properties?.executionTarget))

src/views/flow/index.vue

@@ -275,6 +275,7 @@ import {
   getResourceRoles,
   mergeCopiedResourceRoles,
   normalizeFlowResourceSchema,
+  pruneUnusedNodeResources,
   validateFlowResources,
 } from "@/utils/flowResources";
 import {
@@ -1702,6 +1703,10 @@ onMounted(() => {
     if (index !== -1) {
       nodeErrorList.value.splice(index, 1);
     }
+    const cleanup = pruneUnusedNodeResources(lf.getGraphData());
+    if (cleanup.start && (cleanup.removedRoles || cleanup.removedSlots)) {
+      lf.setProperties(cleanup.start.id, cleanup.start.properties);
+    }
   })
 });