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/recovery/assessor.go

@@ -0,0 +1,60 @@
+package recovery
+
+import (
+	"bj_power_mes/constants"
+	"bj_power_mes/ent"
+)
+
+// AssessOrderGrade 评估工单恢复等级。
+// L1: 可安全自动恢复
+// L2: 部分工件在设备中，建议确认设备状态后恢复
+// L3: 存在搬运中/加工中工件，需人工确认物理位置
+func AssessOrderGrade(jobs []*ent.Job) (grade string, manualRequired bool, message string) {
+	var hasProcessing, hasOnEquipment, hasSuspended bool
+
+	for _, j := range jobs {
+		switch j.Status {
+		case constants.JobStatus_Processing:
+			hasProcessing = true
+		case constants.JobStatus_Suspended:
+			hasSuspended = true
+		}
+		if j.PositionType == constants.PositionType_OnEquipment {
+			hasOnEquipment = true
+		}
+	}
+
+	if hasProcessing {
+		//return "L3", true, "存在加工中的工件，设备状态已丢失，需确认设备当前状态后手动恢复"
+		return "L2", false, "部分工件在设备中（等待加工完成），可自动恢复"
+	}
+	if hasOnEquipment {
+		// WAITING_UNLOAD on equipment: machine finished, slot is DONE, safe to auto-recover
+		return "L2", false, "部分工件在设备中（已完成加工等待卸料），可自动恢复"
+	}
+	if hasSuspended {
+		return "L1", false, "工件处于挂起状态，可安全自动恢复"
+	}
+	return "L1", false, "可安全恢复"
+}
+
+// RecoveryResult 恢复结果
+type RecoveryResult struct {
+	OrderID        int    `json:"orderId"`
+	Grade          string `json:"grade"`
+	ManualRequired bool   `json:"manualRequired"`
+	Message        string `json:"message"`
+	RestoredCount  int    `json:"restoredCount"`
+	ManualActionID int    `json:"manualActionId,omitempty"`
+}
+
+// CountRestorable 统计非终态可恢复工件数。
+func CountRestorable(jobs []*ent.Job) int {
+	count := 0
+	for _, j := range jobs {
+		if j.Status != constants.JobStatus_Completed && j.Status != constants.JobStatus_Scrapped {
+			count++
+		}
+	}
+	return count
+}