einige Ergänzungen

horses/horses-infrastructure/src/main/kotlin/at/mocode/horses/infrastructure/persistence/HorseRepositoryImpl.kt

@@ -248,6 +248,30 @@ class HorseRepositoryImpl : HorseRepository {
         }.count()
     }
 
+    override suspend fun countOepsRegistered(activeOnly: Boolean): Long = DatabaseFactory.dbQuery {
+        val query = HorseTable.selectAll().where {
+            HorseTable.oepsNummer.isNotNull() and (HorseTable.oepsNummer neq "")
+        }
+
+        if (activeOnly) {
+            query.andWhere { HorseTable.istAktiv eq true }
+        } else {
+            query
+        }.count()
+    }
+
+    override suspend fun countFeiRegistered(activeOnly: Boolean): Long = DatabaseFactory.dbQuery {
+        val query = HorseTable.selectAll().where {
+            HorseTable.feiNummer.isNotNull() and (HorseTable.feiNummer neq "")
+        }
+
+        if (activeOnly) {
+            query.andWhere { HorseTable.istAktiv eq true }
+        } else {
+            query
+        }.count()
+    }
+
     /**
      * Maps a database row to a DomPferd domain object.
      */

horses/horses-infrastructure/src/main/kotlin/at/mocode/horses/infrastructure/persistence/HorseTable.kt

@@ -57,11 +57,14 @@ object HorseTable : UUIDTable("horses") {
         // Indexes for performance
         index(false, pferdeName)
         index(false, besitzerId)
-        index(false, lebensnummer)
-        index(false, chipNummer)
-        index(false, passNummer)
-        index(false, oepsNummer)
-        index(false, feiNummer)
         index(false, istAktiv)
+
+        // Unique constraints for identification numbers
+        // These ensure database-level uniqueness even under concurrent access
+        uniqueIndex(lebensnummer)
+        uniqueIndex(chipNummer)
+        uniqueIndex(passNummer)
+        uniqueIndex(oepsNummer)
+        uniqueIndex(feiNummer)
     }
 }