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627 lines
28 KiB
Java
627 lines
28 KiB
Java
package vip.mate.agent;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationEventPublisher;
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import org.springframework.context.event.EventListener;
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import org.springframework.stereotype.Service;
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import org.springframework.util.StringUtils;
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import reactor.core.publisher.Flux;
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import vip.mate.agent.context.ChatOrigin;
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import vip.mate.agent.context.ChatOriginHolder;
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import vip.mate.agent.event.AgentLifecycleEvent;
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import vip.mate.agent.model.AgentEntity;
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import vip.mate.agent.repository.AgentMapper;
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import vip.mate.exception.MateClawException;
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import vip.mate.llm.chatmodel.ThinkingLevelHolder;
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import vip.mate.llm.event.ModelConfigChangedEvent;
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import vip.mate.memory.MemoryProperties;
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import vip.mate.memory.lifecycle.MemoryLifecycleMediator;
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import vip.mate.memory.lifecycle.TurnContext;
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import vip.mate.memory.service.MemoryRecallTracker;
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import vip.mate.workspace.conversation.model.ConversationEntity;
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import vip.mate.workspace.conversation.repository.ConversationMapper;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.Function;
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import java.util.function.Supplier;
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/**
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* Agent 业务服务
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* <p>
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* 负责 Agent 的 CRUD 管理和运行时实例管理。
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* 构建逻辑委托给 {@link AgentGraphBuilder}。
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*
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* @author MateClaw Team
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*/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class AgentService {
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private final AgentMapper agentMapper;
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private final AgentGraphBuilder agentGraphBuilder;
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private final MemoryRecallTracker memoryRecallTracker;
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private final MemoryLifecycleMediator lifecycleMediator;
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private final MemoryProperties memoryProperties;
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/** Read-only lookup of a conversation's pinned model. Mapper (not service)
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* to keep this a leaf dependency with no risk of a bean cycle. */
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private final ConversationMapper conversationMapper;
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/** Field-injected publisher for agent_lifecycle trigger events; the
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* trigger module's bridge listens and forwards into ingest. */
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@Autowired(required = false)
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private ApplicationEventPublisher events;
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/**
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* Runtime Agent instance cache. Keyed first by agentId, then by a model
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* key, so a conversation that pins a non-default model gets its own graph
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* variant instead of mutating the one every other conversation shares.
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* The model key is {@code ""} for the Agent / global-default model.
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*/
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private final Map<Long, Map<String, BaseAgent>> agentInstances = new ConcurrentHashMap<>();
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// ==================== CRUD ====================
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public List<AgentEntity> listAgents() {
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return agentMapper.selectList(new LambdaQueryWrapper<AgentEntity>()
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.orderByDesc(AgentEntity::getCreateTime));
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}
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/**
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* 按工作区列出 Agent
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*/
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public List<AgentEntity> listAgentsByWorkspace(Long workspaceId) {
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return listAgentsByWorkspace(workspaceId, null);
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}
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/**
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* 按工作区列出 Agent，可选过滤启用状态。
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*
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* @param enabled non-null restricts the result set to agents whose
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* {@code enabled} column matches the given value.
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* Pass {@code true} from chat selectors so disabled
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* agents disappear from the picker; the admin
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* management page passes {@code null} to keep
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* disabled rows visible for re-enabling.
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*/
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public List<AgentEntity> listAgentsByWorkspace(Long workspaceId, Boolean enabled) {
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LambdaQueryWrapper<AgentEntity> q = new LambdaQueryWrapper<AgentEntity>()
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.eq(AgentEntity::getWorkspaceId, workspaceId);
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if (enabled != null) {
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q.eq(AgentEntity::getEnabled, enabled);
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}
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return agentMapper.selectList(q.orderByDesc(AgentEntity::getCreateTime));
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}
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public AgentEntity getAgent(Long id) {
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AgentEntity entity = agentMapper.selectById(id);
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if (entity == null) {
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throw new MateClawException("err.agent.not_found", "Agent不存在: " + id);
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}
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return entity;
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}
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public AgentEntity createAgent(AgentEntity agent) {
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agent.setEnabled(true);
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if (agent.getAgentType() == null) {
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agent.setAgentType("react");
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}
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requireUniqueName(agent, null);
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agentMapper.insert(agent);
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publishLifecycle(agent, "spawned");
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return agent;
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}
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public AgentEntity updateAgent(AgentEntity agent) {
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// Detect enabled-flag flip so the lifecycle event reflects the
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// intent rather than every metadata edit. Reading the prior row
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// is cheap and gives us a clean diff source.
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AgentEntity prior = agentMapper.selectById(agent.getId());
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// Only re-validate uniqueness when the name actually changes —
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// a pure metadata edit (icon, prompt, ...) shouldn't pay the
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// SELECT cost or risk a false positive against the row itself.
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if (prior != null
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&& agent.getName() != null
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&& !agent.getName().equals(prior.getName())) {
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// Workspace cannot be moved (Controller pins it to prior.workspaceId),
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// so reuse it for the lookup even if the incoming DTO left it null.
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if (agent.getWorkspaceId() == null) {
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agent.setWorkspaceId(prior.getWorkspaceId());
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}
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requireUniqueName(agent, agent.getId());
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}
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agentMapper.updateById(agent);
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agentInstances.remove(agent.getId());
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if (prior != null && prior.getEnabled() != null
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&& !prior.getEnabled().equals(agent.getEnabled())) {
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publishLifecycle(agent,
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Boolean.TRUE.equals(agent.getEnabled()) ? "enabled" : "disabled");
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}
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return agent;
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}
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/**
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* Friendly business-code surface for the {@code (workspace_id, name)}
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* unique index added in V102.
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*
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* <p>The wire shape is the project-wide R<T> envelope: HTTP status
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* stays 200 (per the convention in {@code R.fail} and the axios
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* interceptor in {@code mateclaw-ui/src/api/index.ts}); the 409 lives in
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* the response body's {@code code} field so the front-end can branch
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* without breaking on an axios error. Without this pre-check the
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* duplicate save would surface as an opaque
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* {@code DataIntegrityViolation} stack trace.
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*
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* @param excludeId when non-null, skip this row in the lookup so
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* {@link #updateAgent} doesn't mistake the row for its
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* own duplicate.
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*/
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private void requireUniqueName(AgentEntity agent, Long excludeId) {
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if (agent.getName() == null || agent.getName().isBlank()) {
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throw new MateClawException("err.agent.name_required", 400, "Agent 名称不能为空");
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}
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Long workspaceId = agent.getWorkspaceId() == null ? 1L : agent.getWorkspaceId();
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LambdaQueryWrapper<AgentEntity> q = new LambdaQueryWrapper<AgentEntity>()
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.eq(AgentEntity::getWorkspaceId, workspaceId)
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.eq(AgentEntity::getName, agent.getName());
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if (excludeId != null) {
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q.ne(AgentEntity::getId, excludeId);
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}
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Long count = agentMapper.selectCount(q);
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if (count != null && count > 0) {
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throw new MateClawException("err.agent.duplicate_name", 409,
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"工作区内已存在同名 Agent: " + agent.getName());
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}
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}
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public void deleteAgent(Long id) {
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AgentEntity prior = agentMapper.selectById(id);
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agentMapper.deleteById(id);
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agentInstances.remove(id);
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if (prior != null) publishLifecycle(prior, "terminated");
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}
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/**
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* Best-effort publish of an {@link AgentLifecycleEvent}. A publish
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* failure must never roll back the agent CRUD that just succeeded —
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* the agent_lifecycle trigger surface is observability, not the
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* canonical record.
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*/
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private void publishLifecycle(AgentEntity agent, String phase) {
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if (events == null || agent == null) return;
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try {
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events.publishEvent(new AgentLifecycleEvent(
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agent.getWorkspaceId() == null ? 0L : agent.getWorkspaceId(),
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agent.getId() == null ? 0L : agent.getId(),
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agent.getName(),
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phase,
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System.currentTimeMillis()));
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} catch (Exception e) {
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log.warn("[AgentService] lifecycle publish failed for agent {} ({}): {}",
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agent.getId(), phase, e.getMessage());
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}
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}
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/**
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* 清除 Agent 运行时缓存（绑定变更后需调用，使下次对话重新构建 Agent）
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*/
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public void invalidateAgentCache(Long agentId) {
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agentInstances.remove(agentId);
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}
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// ==================== 运行时入口 ====================
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public String chat(Long agentId, String message, String conversationId) {
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return chat(agentId, message, conversationId, ChatOrigin.EMPTY);
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}
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/**
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* RFC-063r §2.5: preferred entry — accepts the originating
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* {@link ChatOrigin} so channel binding and workspace context propagate
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* down to {@code @Tool} methods via Spring AI {@link org.springframework.ai.chat.model.ToolContext}.
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*/
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public String chat(Long agentId, String message, String conversationId, ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, message);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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ChatOriginHolder.set(origin != null ? origin : ChatOrigin.EMPTY);
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try {
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return withLifecycleSync(agentId, message, conversationId,
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(msg, convId) -> agent.chat(msg, convId));
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} finally {
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ChatOriginHolder.clear();
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}
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}
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public Flux<String> chatStream(Long agentId, String message, String conversationId) {
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return chatStream(agentId, message, conversationId, ChatOrigin.EMPTY);
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}
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public Flux<String> chatStream(Long agentId, String message, String conversationId, ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, message);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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// Capture the origin into a request-scoped holder; cleared on Flux
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// termination so the next reactive subscriber doesn't inherit stale state.
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ChatOrigin captured = origin != null ? origin : ChatOrigin.EMPTY;
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return Flux.defer(() -> {
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ChatOriginHolder.set(captured);
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return withLifecycleFlux(agentId, message, conversationId,
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(msg, convId) -> agent.chatStream(msg, convId),
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chunk -> chunk);
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}).doFinally(signal -> ChatOriginHolder.clear());
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}
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public Flux<StreamDelta> chatStructuredStream(Long agentId, String message, String conversationId) {
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return chatStructuredStream(agentId, message, conversationId, "", null, ChatOrigin.EMPTY);
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}
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public Flux<StreamDelta> chatStructuredStream(Long agentId, String message, String conversationId,
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String requesterId) {
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return chatStructuredStream(agentId, message, conversationId, requesterId, null, ChatOrigin.EMPTY);
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}
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public Flux<StreamDelta> chatStructuredStream(Long agentId, String message, String conversationId,
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String requesterId, ChatOrigin origin) {
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return chatStructuredStream(agentId, message, conversationId, requesterId, null, origin);
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}
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public Flux<StreamDelta> chatStructuredStream(Long agentId, String message, String conversationId,
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String requesterId, String thinkingLevel) {
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return chatStructuredStream(agentId, message, conversationId, requesterId, thinkingLevel,
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ChatOrigin.EMPTY);
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}
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public Flux<StreamDelta> chatStructuredStream(Long agentId, String message, String conversationId,
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String requesterId, String thinkingLevel,
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ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, message);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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// 设置请求级思考深度（通过 ThreadLocal 传递到 StateGraph 执行）
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if (thinkingLevel != null && !thinkingLevel.isBlank()) {
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ThinkingLevelHolder.set(thinkingLevel);
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} else {
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// 尝试从 Agent 默认配置读取
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AgentEntity entity = getAgent(agentId);
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if (entity != null && entity.getDefaultThinkingLevel() != null) {
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ThinkingLevelHolder.set(entity.getDefaultThinkingLevel());
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} else {
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ThinkingLevelHolder.clear();
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}
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}
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ChatOrigin captured = origin != null ? origin : ChatOrigin.EMPTY;
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if (agent instanceof StructuredStreamCapable capable) {
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return Flux.defer(() -> {
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ChatOriginHolder.set(captured);
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return withLifecycleFlux(agentId, message, conversationId,
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(msg, convId) -> capable.chatStructuredStream(msg, convId,
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requesterId != null ? requesterId : "")
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.doFinally(signal -> ThinkingLevelHolder.clear()),
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StreamDelta::content);
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})
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.doFinally(signal -> ChatOriginHolder.clear());
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}
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// 降级：不支持结构化流的 Agent，包装为纯内容流
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ThinkingLevelHolder.clear();
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return Flux.defer(() -> {
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ChatOriginHolder.set(captured);
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return withLifecycleFlux(agentId, message, conversationId,
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(msg, convId) -> agent.chatStream(msg, convId)
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.map(chunk -> new StreamDelta(chunk, null)),
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StreamDelta::content);
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})
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.doFinally(signal -> ChatOriginHolder.clear());
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}
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public String execute(Long agentId, String goal, String conversationId) {
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return execute(agentId, goal, conversationId, ChatOrigin.EMPTY);
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}
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public String execute(Long agentId, String goal, String conversationId, ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, goal);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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ChatOriginHolder.set(origin != null ? origin : ChatOrigin.EMPTY);
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try {
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return withLifecycleSync(agentId, goal, conversationId,
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(msg, convId) -> agent.execute(msg, convId));
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} finally {
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ChatOriginHolder.clear();
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}
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}
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/**
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* 带工具重放的 chat 调用（审批通过后由 ChannelMessageRouter 或 ApprovalController 调用）
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*
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* @param agentId Agent ID
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* @param userMessage 用户消息（如"继续执行已批准的工具"）
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* @param conversationId 会话 ID
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* @param toolCallPayload 要重放的工具调用 JSON
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* @return Agent 回复
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*/
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public String chatWithReplay(Long agentId, String userMessage, String conversationId,
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String toolCallPayload) {
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return chatWithReplay(agentId, userMessage, conversationId, toolCallPayload, ChatOrigin.EMPTY);
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}
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public String chatWithReplay(Long agentId, String userMessage, String conversationId,
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String toolCallPayload, ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, userMessage);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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ChatOriginHolder.set(origin != null ? origin : ChatOrigin.EMPTY);
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try {
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return withLifecycleSync(agentId, userMessage, conversationId,
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(msg, convId) -> agent.chatWithReplay(msg, convId, toolCallPayload));
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} finally {
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ChatOriginHolder.clear();
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}
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}
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/**
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* 带工具重放的流式调用（Web 端审批通过后使用，通过 SSE 推送结果）
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*/
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public Flux<StreamDelta> chatWithReplayStream(Long agentId, String userMessage, String conversationId,
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String toolCallPayload) {
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return chatWithReplayStream(agentId, userMessage, conversationId, toolCallPayload, "", ChatOrigin.EMPTY);
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}
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public Flux<StreamDelta> chatWithReplayStream(Long agentId, String userMessage, String conversationId,
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String toolCallPayload, String requesterId) {
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return chatWithReplayStream(agentId, userMessage, conversationId, toolCallPayload, requesterId,
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ChatOrigin.EMPTY);
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}
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public Flux<StreamDelta> chatWithReplayStream(Long agentId, String userMessage, String conversationId,
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String toolCallPayload, String requesterId,
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ChatOrigin origin) {
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memoryRecallTracker.trackRecalls(agentId, userMessage);
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BaseAgent agent = getOrBuildAgentForConversation(agentId, conversationId);
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ChatOrigin captured = origin != null ? origin : ChatOrigin.EMPTY;
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return Flux.defer(() -> {
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ChatOriginHolder.set(captured);
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return withLifecycleFlux(agentId, userMessage, conversationId,
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(msg, convId) -> agent.chatWithReplayStream(msg, convId, toolCallPayload,
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requesterId != null ? requesterId : ""),
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StreamDelta::content);
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})
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.doFinally(signal -> ChatOriginHolder.clear());
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}
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public AgentState getAgentState(Long agentId) {
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Map<String, BaseAgent> variants = agentInstances.get(agentId);
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if (variants == null || variants.isEmpty()) {
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return AgentState.IDLE;
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}
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// An Agent may have several cached graph variants (one per pinned
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// model). Report the first non-IDLE state so a turn running on any
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// variant stays visible.
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for (BaseAgent agent : variants.values()) {
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AgentState state = agent.getState();
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if (state != AgentState.IDLE) {
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return state;
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}
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}
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return AgentState.IDLE;
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}
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// ==================== 缓存管理 ====================
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public void refreshAgent(Long agentId) {
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agentInstances.remove(agentId);
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log.info("Agent instance cache cleared: {}", agentId);
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}
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public void refreshAllAgents() {
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agentInstances.clear();
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log.info("All agent instance caches cleared");
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}
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@EventListener
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public void onModelConfigChanged(ModelConfigChangedEvent event) {
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refreshAllAgents();
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log.info("Agent caches refreshed after model config change: {}", event.reason());
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}
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@EventListener
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public void onToolGuardConfigChanged(vip.mate.tool.guard.service.ToolGuardConfigService.ToolGuardConfigChangedEvent event) {
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refreshAllAgents();
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log.info("Agent caches refreshed after tool guard config change (denied tools may have changed)");
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}
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// ==================== Lifecycle helpers ====================
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/**
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* Wraps a synchronous agent call with lifecycle mediator hooks.
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* When lifecycleMediatorEnabled is off, runs plainInvoke directly (Phase 0 behavior).
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*
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* P1-1 fix: prefetchAll result is now prepended to userMessage as <memory-context> block.
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* P1-4 fix: N/A for sync (no cancel/error signal issue).
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*/
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private String withLifecycleSync(Long agentId, String message, String conversationId,
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java.util.function.BiFunction<String, String, String> invoke) {
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if (!memoryProperties.isLifecycleMediatorEnabled()) {
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return invoke.apply(message, conversationId);
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}
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TurnContext ctx = new TurnContext(agentId, conversationId, conversationId, 0, message);
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String memoryContext = lifecycleMediator.beforeLlmCall(ctx);
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// Inject memory context into the user message (RFC-037 §3.3)
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String enrichedMessage = injectMemoryContext(message, memoryContext);
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String result = invoke.apply(enrichedMessage, conversationId);
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lifecycleMediator.afterLlmCall(ctx, result != null ? result : "");
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return result;
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}
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/**
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* Wraps a streaming agent call with lifecycle mediator hooks.
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* When lifecycleMediatorEnabled is off, runs plainInvoke directly (Phase 0 behavior).
|
||
*
|
||
* P1-1 fix: prefetchAll result is now prepended to userMessage.
|
||
* P1-4 fix: afterLlmCall only fires on COMPLETE signal, not on cancel/error.
|
||
*/
|
||
private <T> Flux<T> withLifecycleFlux(Long agentId, String message, String conversationId,
|
||
java.util.function.BiFunction<String, String, Flux<T>> invoke,
|
||
Function<T, String> contentExtractor) {
|
||
if (!memoryProperties.isLifecycleMediatorEnabled()) {
|
||
return invoke.apply(message, conversationId);
|
||
}
|
||
TurnContext ctx = new TurnContext(agentId, conversationId, conversationId, 0, message);
|
||
String memoryContext = lifecycleMediator.beforeLlmCall(ctx);
|
||
String enrichedMessage = injectMemoryContext(message, memoryContext);
|
||
StringBuilder reply = new StringBuilder();
|
||
return invoke.apply(enrichedMessage, conversationId)
|
||
.doOnNext(item -> {
|
||
String text = contentExtractor.apply(item);
|
||
if (text != null) {
|
||
reply.append(text);
|
||
}
|
||
})
|
||
.doOnComplete(() -> lifecycleMediator.afterLlmCall(ctx, reply.toString()))
|
||
.doOnError(e -> log.debug("[Memory] Stream error, skipping afterLlmCall: {}", e.getMessage()));
|
||
}
|
||
|
||
/**
|
||
* Prepend memory-context block to user message if non-empty.
|
||
* Does not pollute build-time system prompt snapshot.
|
||
*/
|
||
private String injectMemoryContext(String message, String memoryContext) {
|
||
if (memoryContext == null || memoryContext.isBlank()) return message;
|
||
return memoryContext + "\n\n" + message;
|
||
}
|
||
|
||
// ==================== 内部方法 ====================
|
||
|
||
/**
|
||
* Resolve (and cache) the Agent graph for a conversation, honouring the
|
||
* conversation's pinned model. Conversations with no pin — IM channels
|
||
* before issue #183 fix, cron, sub-tasks, or rows not yet created —
|
||
* resolve to the shared Agent / global-default graph.
|
||
*
|
||
* <p>Defensive normalisation: a half-populated pair (provider but no
|
||
* model, or vice versa) is treated as unpinned. Without this guard, a
|
||
* partially-cleared admin UI write could end up cached as a key like
|
||
* {@code "volcano::"} which {@link #getOrBuildAgent} would then try to
|
||
* build, only to fail at provider-resolution time on every turn.
|
||
*/
|
||
private BaseAgent getOrBuildAgentForConversation(Long agentId, String conversationId) {
|
||
String provider = null;
|
||
String modelName = null;
|
||
if (conversationId != null && !conversationId.isBlank()) {
|
||
ConversationEntity conv = conversationMapper.selectOne(
|
||
new LambdaQueryWrapper<ConversationEntity>()
|
||
.eq(ConversationEntity::getConversationId, conversationId));
|
||
if (conv != null) {
|
||
provider = blankToNull(conv.getModelProvider());
|
||
modelName = blankToNull(conv.getModelName());
|
||
// Half-populated pair → treat as unpinned. Pinning requires
|
||
// a complete (provider, model) tuple — see #183 follow-up
|
||
// hardening so a stale row written by an earlier broken
|
||
// admin UI release doesn't loop the cache on an invalid key.
|
||
if (provider == null || modelName == null) {
|
||
provider = null;
|
||
modelName = null;
|
||
}
|
||
}
|
||
}
|
||
return getOrBuildAgent(agentId, provider, modelName);
|
||
}
|
||
|
||
/** Map empty / whitespace strings to null so the pinned-check is one branch. */
|
||
private static String blankToNull(String s) {
|
||
return (s == null || s.isBlank()) ? null : s;
|
||
}
|
||
|
||
private BaseAgent getOrBuildAgent(Long agentId) {
|
||
return getOrBuildAgent(agentId, null, null);
|
||
}
|
||
|
||
private BaseAgent getOrBuildAgent(Long agentId, String modelProvider, String modelName) {
|
||
boolean pinned = modelProvider != null && !modelProvider.isBlank()
|
||
&& modelName != null && !modelName.isBlank();
|
||
String modelKey = pinned ? modelProvider + "::" + modelName : "";
|
||
return agentInstances
|
||
.computeIfAbsent(agentId, id -> new ConcurrentHashMap<>())
|
||
.computeIfAbsent(modelKey, key -> {
|
||
AgentEntity entity = getAgent(agentId);
|
||
if (!Boolean.TRUE.equals(entity.getEnabled())) {
|
||
throw new MateClawException("err.agent.disabled", "Agent 已禁用: " + entity.getName());
|
||
}
|
||
return agentGraphBuilder.build(entity, modelProvider, modelName);
|
||
});
|
||
}
|
||
|
||
// ==================== StreamDelta ====================
|
||
|
||
public record StreamDelta(String content, String thinking, String eventType, Map<String, Object> eventData,
|
||
boolean persistenceOnly, boolean segmentOnly) {
|
||
|
||
// 兼容构造器（广播+持久化）
|
||
public StreamDelta(String content, String thinking) {
|
||
this(content, thinking, null, null, false, false);
|
||
}
|
||
|
||
// 显式 5-参构造器：保留旧调用点对 (content, thinking, eventType, eventData, persistenceOnly) 的兼容
|
||
public StreamDelta(String content, String thinking, String eventType,
|
||
Map<String, Object> eventData, boolean persistenceOnly) {
|
||
this(content, thinking, eventType, eventData, persistenceOnly, false);
|
||
}
|
||
|
||
/** 仅用于持久化，不再广播（内容已由 NodeStreamingChatHelper 实时广播过） */
|
||
public static StreamDelta persistOnly(String content, String thinking) {
|
||
return new StreamDelta(content, thinking, null, null, true, false);
|
||
}
|
||
|
||
/**
|
||
* Per-iteration narrative routing for ReasoningNode / SummarizingNode output.
|
||
*
|
||
* <p>The accumulator should:
|
||
* <ul>
|
||
* <li>append the text to the in-flight {@code segments} entry so the UI's
|
||
* segmented view still renders the intermediate "I'll look it up…"
|
||
* narration between tool cards;</li>
|
||
* <li>NOT broadcast — already broadcast live by NodeStreamingChatHelper;</li>
|
||
* <li>NOT append to the top-level {@code content} StringBuilder, which is
|
||
* what gets persisted as {@code mate_message.content}. That field
|
||
* should hold the final-answer span only — otherwise multiple
|
||
* iterations stack into "我来…让我…然后…" walls that next-turn replay
|
||
* sees as unanswered chain-of-thought (issue #120 narration leg).</li>
|
||
* </ul>
|
||
*
|
||
* <p>Implies {@code persistenceOnly} (no broadcast) at the accumulator
|
||
* layer, but is a stricter promise: <em>nothing</em> reaches the top-level
|
||
* persisted content field via this flavor.
|
||
*/
|
||
public static StreamDelta segmentOnly(String content, String thinking) {
|
||
return new StreamDelta(content, thinking, null, null, true, true);
|
||
}
|
||
|
||
public static StreamDelta empty() {
|
||
return new StreamDelta(null, null, null, null, false, false);
|
||
}
|
||
|
||
public static StreamDelta event(String type, Map<String, Object> data) {
|
||
return new StreamDelta(null, null, type, data, false, false);
|
||
}
|
||
|
||
public boolean isEvent() {
|
||
return eventType != null;
|
||
}
|
||
|
||
public boolean hasPayload() {
|
||
return StringUtils.hasText(content) || StringUtils.hasText(thinking);
|
||
}
|
||
|
||
public int contentLength() {
|
||
return content != null ? content.length() : 0;
|
||
}
|
||
|
||
public int thinkingLength() {
|
||
return thinking != null ? thinking.length() : 0;
|
||
}
|
||
}
|
||
}
|