fix: rebuild MES as compilable go-zero+ent backend (renamed bj_power_mes), restore 3 workstation projects from pristine original, align naming; all Go projects go build clean

bj_power_mes/internal/eventbus/bus.go

@@ -0,0 +1,101 @@
+package eventbus
+
+import (
+	"context"
+	"time"
+)
+
+// EventType 事件类型
+type EventType string
+
+const (
+	// 生产事件
+	EventLoad             EventType = "LOAD"
+	EventUnload           EventType = "UNLOAD"
+	EventExchange         EventType = "EXCHANGE"
+	EventScan             EventType = "SCAN"
+	EventMark             EventType = "MARK"
+	EventReplenish        EventType = "REPLENISH"
+	EventMachineStart     EventType = "MACHINE_START"
+	EventMachineDone      EventType = "MACHINE_DONE"
+	EventInspectionResult EventType = "INSPECTION_RESULT"
+	EventJobCompleted     EventType = "JOB_COMPLETED"
+	EventJobScrapped      EventType = "JOB_SCRAPPED"
+	EventJobDischarged    EventType = "JOB_DISCHARGED"
+
+	// 工单生命周期事件
+	EventOrderStarted   EventType = "ORDER_STARTED"
+	EventOrderPaused    EventType = "ORDER_PAUSED"
+	EventOrderResumed   EventType = "ORDER_RESUMED"
+	EventOrderCancelled EventType = "ORDER_CANCELLED"
+	EventOrderCompleted EventType = "ORDER_COMPLETED"
+
+	// 托盘生命周期事件
+	EventPalletCompleted EventType = "PALLET_COMPLETED"
+
+	// MOM 对接事件
+	EventMomReportSuccess EventType = "MOM_REPORT_SUCCESS"
+	EventMomReportFailure EventType = "MOM_REPORT_FAILURE"
+	EventMomAgvRequest    EventType = "MOM_AGV_ENTRY_REQUESTED"
+
+	EventTempSlotChanged EventType = "TEMP_SLOT_CHANGED"
+
+	// 报警事件
+	EventAlarmRaised EventType = "ALARM_RAISED"
+	EventAlarmAcked  EventType = "ALARM_ACKED"
+
+	// 人工交互事件
+	EventManualActionCreated  EventType = "MANUAL_ACTION_CREATED"
+	EventManualActionResolved EventType = "MANUAL_ACTION_RESOLVED"
+
+	// 设备事件
+	EventEquipmentAvailabilityChanged EventType = "EQUIPMENT_AVAILABILITY_CHANGED"
+
+	// 连接状态事件
+	EventConnectionStatusUpdated EventType = "CONNECTION_STATUS_UPDATED"
+
+	EventAll EventType = "*"
+)
+
+// EntityType 实体类型
+type EntityType string
+
+const (
+	EntityJob      EntityType = "job"
+	EntityTempSlot EntityType = "temp_slot"
+)
+
+// Event 事件
+type Event struct {
+	ID            string         `json:"id"`
+	Type          EventType      `json:"type"`
+	Source        string         `json:"source"`
+	EntityType    string         `json:"entityType,omitempty"`
+	EntityID      string         `json:"entityId,omitempty"`
+	EntityVersion int64          `json:"entityVersion,omitempty"`
+	Timestamp     time.Time      `json:"timestamp"`
+	Payload       map[string]any `json:"payload"`
+}
+
+// EventHandler 事件处理器
+type EventHandler func(ctx context.Context, event Event) error
+
+// Subscription 事件订阅
+type Subscription interface {
+	Unsubscribe()
+}
+
+// Bus 事件总线接口
+type Bus interface {
+	Publish(ctx context.Context, event Event) error
+	Subscribe(eventType EventType, handler EventHandler) Subscription
+	SubscribeAll(handler EventHandler) Subscription
+	Start(ctx context.Context) error
+	Stop() error
+	Close() error
+}
+
+type handlerEntry struct {
+	id      uint64
+	handler EventHandler
+}