diff --git a/src/dotnet/QuantEngine.Application/Services/MigrationBoundaryRegistry.cs b/src/dotnet/QuantEngine.Application/Services/MigrationBoundaryRegistry.cs
new file mode 100644
index 00000000..c5c1887d
--- /dev/null
+++ b/src/dotnet/QuantEngine.Application/Services/MigrationBoundaryRegistry.cs
@@ -0,0 +1,112 @@
+using System.Collections.Generic;
+
+namespace QuantEngine.Application.Services;
+
+public enum MigrationDisposition
+{
+    Keep,
+    Migrate
+}
+
+public sealed record MigrationBoundaryRoute(
+    string RouteId,
+    string Classification,
+    MigrationDisposition Disposition,
+    string[] Paths,
+    string Reason);
+
+/// <summary>
+/// Canonical boundary registry for WBS-10 .NET migration planning.
+/// This is a planning aid, not an execution engine.
+/// </summary>
+public static class MigrationBoundaryRegistry
+{
+    public static readonly IReadOnlyList<MigrationBoundaryRoute> Routes = new[]
+    {
+        new MigrationBoundaryRoute(
+            "python_harness_validation",
+            "python_harness",
+            MigrationDisposition.Keep,
+            new[]
+            {
+                "tools/validate_quant_engine_wbs_v1.py",
+                "tools/validate_dotnet_migration_roadmap_v1.py",
+                "tools/validate_dotnet_migration_execution_plan_v1.py",
+                "tests/unit/test_validate_dotnet_migration_roadmap_v1.py",
+                "tests/unit/test_validate_dotnet_migration_execution_plan_v1.py"
+            },
+            "검증 도구는 운영 엔진이 아니라 하네스/계약 검사 계층이다."),
+
+        new MigrationBoundaryRoute(
+            "python_wbs_source",
+            "python_harness",
+            MigrationDisposition.Keep,
+            new[]
+            {
+                "spec/60_quant_engine_wbs.yaml",
+                "docs/WBS_10_DOTNET_MIGRATION_ROADMAP.yaml",
+                "docs/WBS_10_DOTNET_MIGRATION_INVENTORY.yaml",
+                "docs/WBS_10_DOTNET_MIGRATION_EXECUTION_PLAN.yaml"
+            },
+            "권위 문서와 상세 로드맵은 운영 실행물이 아니라 계약 문서다."),
+
+        new MigrationBoundaryRoute(
+            "dotnet_core_formula_engine",
+            "dotnet_domain",
+            MigrationDisposition.Migrate,
+            new[]
+            {
+                "src/dotnet/QuantEngine.Core/Domain/FormulaEngine.cs",
+                "src/dotnet/QuantEngine.Core/Domain/FactorCalculator.cs",
+                "src/dotnet/QuantEngine.Core/Domain/AntiChasingCalculator.cs",
+                "src/dotnet/QuantEngine.Core/Domain/ProfitLockCalculator.cs",
+                "src/dotnet/QuantEngine.Core/Domain/PullbackTriggerCalculator.cs",
+                "src/dotnet/QuantEngine.Core/Domain/SellPriceSanityChecker.cs",
+                "src/dotnet/QuantEngine.Core/Domain/KrxTickNormalizer.cs"
+            },
+            "운영 계산의 canonical engine 후보이며 parity harness의 주 대상이다."),
+
+        new MigrationBoundaryRoute(
+            "dotnet_application_orchestration",
+            "dotnet_application",
+            MigrationDisposition.Migrate,
+            new[]
+            {
+                "src/dotnet/QuantEngine.Application/Services/PipelineOrchestrator.cs",
+                "src/dotnet/QuantEngine.Application/Services/KisDataCollectionOrchestrator.cs",
+                "src/dotnet/QuantEngine.Application/Services/HistoryIngestionService.cs",
+                "src/dotnet/QuantEngine.Application/Services/PriceDataNormalizer.cs",
+                "src/dotnet/QuantEngine.Application/Services/SourcePriorityResolver.cs",
+                "src/dotnet/QuantEngine.Application/Services/DataCollectionService.cs"
+            },
+            "Python 오케스트레이션/수집/정규화 흐름을 .NET 서비스 계층으로 수렴시킨다."),
+
+        new MigrationBoundaryRoute(
+            "dotnet_web_scheduler",
+            "dotnet_web",
+            MigrationDisposition.Migrate,
+            new[]
+            {
+                "src/dotnet/QuantEngine.Web/Services/SchedulerService.cs",
+                "src/dotnet/QuantEngine.Web/Endpoints/CollectionEndpoints.cs",
+                "src/dotnet/QuantEngine.Web/Pages/Admin/Operations/Index.cshtml.cs"
+            },
+            "스케줄러와 운영 제어면은 서비스 수준으로 고도화 대상이다."),
+
+        new MigrationBoundaryRoute(
+            "dotnet_read_models",
+            "read_model",
+            MigrationDisposition.Migrate,
+            new[]
+            {
+                "src/dotnet/QuantEngine.Web/Pages/Admin/Dashboard/Index.cshtml.cs",
+                "src/dotnet/QuantEngine.Web/Pages/Admin/Collection/Index.cshtml.cs",
+                "src/dotnet/QuantEngine.Web/Pages/Admin/Monitoring/Index.cshtml.cs",
+                "src/dotnet/QuantEngine.Web/Pages/Admin/Database/Index.cshtml.cs"
+            },
+            "운영 조회는 역정규화 read model로 분리한다.")
+    };
+
+    public static MigrationBoundaryRoute? Find(string routeId)
+        => System.Linq.Enumerable.FirstOrDefault(Routes, route => route.RouteId == routeId);
+}
diff --git a/src/dotnet/QuantEngine.Core.Tests/MigrationBoundaryRegistryTests.cs b/src/dotnet/QuantEngine.Core.Tests/MigrationBoundaryRegistryTests.cs
new file mode 100644
index 00000000..63e2dd76
--- /dev/null
+++ b/src/dotnet/QuantEngine.Core.Tests/MigrationBoundaryRegistryTests.cs
@@ -0,0 +1,22 @@
+using System.Linq;
+using QuantEngine.Application.Services;
+using Xunit;
+
+namespace QuantEngine.Core.Tests;
+
+public class MigrationBoundaryRegistryTests
+{
+    [Fact]
+    public void RoutesContainCanonicalKeepAndMigrateEntries()
+    {
+        Assert.NotNull(MigrationBoundaryRegistry.Find("python_harness_validation"));
+        Assert.NotNull(MigrationBoundaryRegistry.Find("dotnet_core_formula_engine"));
+        Assert.NotNull(MigrationBoundaryRegistry.Find("dotnet_application_orchestration"));
+        Assert.NotNull(MigrationBoundaryRegistry.Find("dotnet_web_scheduler"));
+        Assert.NotNull(MigrationBoundaryRegistry.Find("dotnet_read_models"));
+
+        var routes = MigrationBoundaryRegistry.Routes;
+        Assert.Equal(4, routes.Count(r => r.Disposition == MigrationDisposition.Migrate));
+        Assert.Equal(2, routes.Count(r => r.Disposition == MigrationDisposition.Keep));
+    }
+}