fix(access): report only real vehicle sources

vehicle-data-platform/apps/api/internal/platform/access.go

@@ -223,11 +223,12 @@ func buildAccessVehicleGroup(items []AccessEvidenceRow, config AccessThresholdCo
 		OEM:                 strings.TrimSpace(base.OEM),
 		Model:               strings.TrimSpace(base.Model),
 		Company:             strings.TrimSpace(base.Company),
-		ExpectedProtocols:   append([]string(nil), canonicalVehicleProtocols...),
+		ExpectedProtocols:   []string{},
 		ActualProtocols:     []string{},
 		MissingProtocols:    []string{},
 		ProtocolStatuses:    []AccessProtocolStatus{},
-		ExpectationEvidence: "平台标准接入基线：GB32960 / JT808 / YUTONG_MQTT",
+		MasterDataIssues:    []string{},
+		ExpectationEvidence: "尚未接入业务系统的应接协议口径；当前只展示真实接入来源，不推断车辆必须具备三协议",
 		ConnectionState:     "not_connected",
 		OnlineState:         "never_reported",
 		FirstSeenEvidence:   "尚未形成任何协议接入快照",
@@ -254,29 +255,29 @@ func buildAccessVehicleGroup(items []AccessEvidenceRow, config AccessThresholdCo
 	}
 	onlineCount := 0
 	unknownCount := 0
-	connectedCount := 0
 	for _, protocol := range canonicalVehicleProtocols {
 		item, connected := byProtocol[protocol]
 		if !connected {
 			threshold := accessProtocolThreshold(config, protocol)
-			row.MissingProtocols = append(row.MissingProtocols, protocol)
 			row.ProtocolStatuses = append(row.ProtocolStatuses, AccessProtocolStatus{
-				Protocol: protocol, Expected: true, Connected: false, OnlineState: "never_reported", ThresholdSec: threshold,
-				FirstSeenEvidence: "应接协议尚未形成实时快照", ReportIntervalEvidence: "尚无接收样本",
+				Protocol: protocol, Expected: false, Connected: false, OnlineState: "never_reported", ThresholdSec: threshold,
+				FirstSeenEvidence: "当前未发现该协议来源；在业务应接口径接入前不判定为缺失", ReportIntervalEvidence: "尚无接收样本",
 			})
 			continue
 		}
 		source := buildAccessVehicleRow(item, config, now)
-		connectedCount++
 		row.ActualProtocols = append(row.ActualProtocols, protocol)
 		if source.OnlineState == "online" {
 			onlineCount++
 		}
+		if source.OnlineState == "unknown" {
+			unknownCount++
+		}
 		if source.DelayAbnormal {
 			row.DelayAbnormal = true
 		}
 		row.ProtocolStatuses = append(row.ProtocolStatuses, AccessProtocolStatus{
-			Protocol: protocol, Expected: true, Connected: true, Provider: source.Provider,
+			Protocol: protocol, Expected: false, Connected: true, Provider: source.Provider,
 			FirstSeenAt: source.FirstSeenAt, LatestEventAt: source.LatestEventAt, LatestReceivedAt: source.LatestReceivedAt,
 			ReportIntervalSec: source.ReportIntervalSec, DataDelaySec: source.DataDelaySec, FreshnessSec: source.FreshnessSec,
 			OnlineState: source.OnlineState, ThresholdSec: source.ThresholdSec, DelayAbnormal: source.DelayAbnormal,
@@ -292,10 +293,16 @@ func buildAccessVehicleGroup(items []AccessEvidenceRow, config AccessThresholdCo
 			copyAccessPrimaryFields(&row, source)
 		}
 	}
-	for protocol, item := range byProtocol {
+	extraProtocols := make([]string, 0)
+	for protocol := range byProtocol {
 		if containsString(canonicalVehicleProtocols, protocol) {
 			continue
 		}
+		extraProtocols = append(extraProtocols, protocol)
+	}
+	sort.Strings(extraProtocols)
+	for _, protocol := range extraProtocols {
+		item := byProtocol[protocol]
 		source := buildAccessVehicleRow(item, config, now)
 		row.ActualProtocols = append(row.ActualProtocols, protocol)
 		if source.OnlineState == "online" {
@@ -316,29 +323,47 @@ func buildAccessVehicleGroup(items []AccessEvidenceRow, config AccessThresholdCo
 			copyAccessPrimaryFields(&row, source)
 		}
 	}
+	if accessMasterDataMissing(row.OEM) {
+		row.MasterDataIssues = append(row.MasterDataIssues, "车辆品牌未维护")
+	}
+	for _, status := range row.ProtocolStatuses {
+		if status.Connected && accessMasterDataMissing(status.Provider) {
+			row.MasterDataIssues = append(row.MasterDataIssues, status.Protocol+" 接入方未维护")
+		}
+	}
+	sourceCount := len(row.ActualProtocols)
 	switch {
-	case connectedCount == 0 && len(row.ActualProtocols) == 0:
+	case sourceCount == 0:
 		row.ConnectionState = "not_connected"
 		row.OnlineState = "never_reported"
-	case connectedCount == len(canonicalVehicleProtocols) && onlineCount == connectedCount:
-		row.ConnectionState = "healthy"
-		row.OnlineState = "online"
-	case onlineCount == 0 && unknownCount > 0:
-		row.ConnectionState = "incomplete"
+	case onlineCount == 0 && unknownCount == sourceCount:
+		row.ConnectionState = "degraded"
 		row.OnlineState = "unknown"
 	case onlineCount == 0:
 		row.ConnectionState = "offline"
 		row.OnlineState = "offline"
-	case connectedCount < len(canonicalVehicleProtocols):
+	case onlineCount < sourceCount || row.DelayAbnormal:
+		row.ConnectionState = "degraded"
+		row.OnlineState = "online"
+	case len(row.MasterDataIssues) > 0:
 		row.ConnectionState = "incomplete"
 		row.OnlineState = "online"
 	default:
-		row.ConnectionState = "degraded"
+		row.ConnectionState = "healthy"
 		row.OnlineState = "online"
 	}
 	return row
 }
 
+func accessMasterDataMissing(value string) bool {
+	switch strings.ToLower(strings.TrimSpace(value)) {
+	case "", "未维护", "待维护", "unknown", "未知":
+		return true
+	default:
+		return false
+	}
+}
+
 func accessProtocolThreshold(config AccessThresholdConfig, protocol string) int {
 	for _, override := range config.Protocols {
 		if strings.EqualFold(override.Protocol, protocol) {
@@ -446,8 +471,14 @@ func keepAccessRow(row AccessVehicleRow, query AccessQuery) bool {
 	if value := strings.TrimSpace(query.Protocol); value != "" && !containsString(row.ActualProtocols, value) {
 		return false
 	}
-	if value := strings.TrimSpace(query.OEM); value != "" && !strings.EqualFold(value, row.OEM) {
-		return false
+	if value := strings.TrimSpace(query.OEM); value != "" {
+		if value == "未维护" {
+			if !accessMasterDataMissing(row.OEM) {
+				return false
+			}
+		} else if !strings.EqualFold(value, row.OEM) {
+			return false
+		}
 	}
 	if value := strings.ToLower(strings.TrimSpace(query.Model)); value != "" && !strings.Contains(strings.ToLower(row.Model), value) {
 		return false