feat(platform): summarize quality issues

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

@@ -160,6 +160,20 @@ type QualityIssueRow struct {
 	Detail    string `json:"detail"`
 }
 
+type QualitySummary struct {
+	IssueVehicleCount int                 `json:"issueVehicleCount"`
+	IssueRecordCount  int                 `json:"issueRecordCount"`
+	ErrorCount        int                 `json:"errorCount"`
+	WarningCount      int                 `json:"warningCount"`
+	Protocols         []QualityBucketStat `json:"protocols"`
+	IssueTypes        []QualityBucketStat `json:"issueTypes"`
+}
+
+type QualityBucketStat struct {
+	Name  string `json:"name"`
+	Count int    `json:"count"`
+}
+
 type OpsHealth struct {
 	LinkHealth       []LinkHealth `json:"linkHealth"`
 	KafkaLag         *int         `json:"kafkaLag"`