diff --git a/src/app/main.cpp b/src/app/main.cpp
index 139c7b4..6e989a7 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -81,6 +81,7 @@
 #include "ProjectListDialog.hpp"
 #include "WorkbenchNavController.hpp"
 #include "DatasetDetailController.hpp"
+#include "panels/chart/ErtInversionStrategy.hpp"
 #include "api/ApiProjectRepository.hpp"
 #include "api/ApiDatasetRepository.hpp"
 #include "panels/ObjectTreePanel.hpp"
@@ -860,7 +861,10 @@ int main(int argc, char* argv[])
 
     // 数据详情仓储 + 控制器（接真实反演 API）：同一共享会话 ApiClient。
     geopro::data::ApiDatasetRepository datasetRepo(api);
-    geopro::controller::DatasetDetailController detailCtrl(datasetRepo);
+    // 策略注册表须比 detailCtrl 活得久（同作用域、在前声明）。
+    geopro::controller::ChartStrategyRegistry chartRegistry;
+    chartRegistry.add(std::make_unique<geopro::app::ErtInversionStrategy>());
+    geopro::controller::DatasetDetailController detailCtrl(datasetRepo, chartRegistry);
 
     // ── 外壳：标准 QMainWindow（原生标题栏）。buildWorkbench 直接用其
     //    setCentralWidget/setMenuWidget/statusBar 承载工作台。
diff --git a/src/app/panels/chart/ErtInversionStrategy.hpp b/src/app/panels/chart/ErtInversionStrategy.hpp
index 01d7f0d..1fde3ae 100644
--- a/src/app/panels/chart/ErtInversionStrategy.hpp
+++ b/src/app/panels/chart/ErtInversionStrategy.hpp
@@ -1,7 +1,9 @@
 #pragma once
-#include "panels/chart/IDatasetChartStrategy.hpp"
+#include "IDatasetChartStrategy.hpp"  // geopro::controller（geopro_controller PUBLIC include）
 namespace geopro::app {
-struct ErtInversionStrategy : IDatasetChartStrategy {
+// ERT 反演策略：散点(chart) + 网格等值面(grid) 两阶段。
+struct ErtInversionStrategy : controller::IDatasetChartStrategy {
     std::string ddCode() const override { return "dd_inversion_data"; }
+    bool hasGridPhase() const override { return true; }  // 反演有网格数据阶段
 };
 }  // namespace geopro::app
diff --git a/src/controller/DatasetDetailController.cpp b/src/controller/DatasetDetailController.cpp
index 94355cb..c753e86 100644
--- a/src/controller/DatasetDetailController.cpp
+++ b/src/controller/DatasetDetailController.cpp
@@ -3,8 +3,9 @@
 #include "api/DatasetLoadHandles.hpp"
 namespace geopro::controller {
 
-DatasetDetailController::DatasetDetailController(data::IAsyncDatasetRepository& repo, QObject* parent)
-    : QObject(parent), repo_(repo) {}
+DatasetDetailController::DatasetDetailController(data::IAsyncDatasetRepository& repo,
+                                                ChartStrategyRegistry& registry, QObject* parent)
+    : QObject(parent), repo_(repo), registry_(registry) {}
 
 DatasetDetailController::~DatasetDetailController() {
     if (chartLoad_) chartLoad_->abort();  // 退出契约：abort 在飞句柄，不依赖外部析构顺序兜底
@@ -12,7 +13,7 @@ DatasetDetailController::~DatasetDetailController() {
 }
 
 void DatasetDetailController::openDataset(const QString& dsId, const QString& ddCode) {
-    if (ddCode != QLatin1String("dd_inversion_data")) {  // 首版仅支持 ERT 反演
+    if (!registry_.supports(ddCode.toStdString())) {  // 未注册策略 → 优雅降级
         emit loadFailed(dsId, QStringLiteral("暂不支持该数据类型的预览"));
         return;
     }
@@ -40,7 +41,8 @@ void DatasetDetailController::openDataset(const QString& dsId, const QString& dd
 }
 
 void DatasetDetailController::loadGridData(const QString& dsId, const QString& ddCode) {
-    if (ddCode != QLatin1String("dd_inversion_data")) return;  // 仅 ERT 反演有网格数据
+    auto* strategy = registry_.find(ddCode.toStdString());
+    if (!strategy || !strategy->hasGridPhase()) return;  // 仅有网格阶段的类型加载网格数据
     if (gridLoad_) gridLoad_->abort();                          // abort-and-replace
     data::GridLoad* load = repo_.loadGridAsync(dsId.toStdString());
     gridLoad_ = load;
diff --git a/src/controller/DatasetDetailController.hpp b/src/controller/DatasetDetailController.hpp
index 5bb39af..d103e1d 100644
--- a/src/controller/DatasetDetailController.hpp
+++ b/src/controller/DatasetDetailController.hpp
@@ -6,6 +6,7 @@
 #include "model/Field.hpp"
 #include "model/ColorScale.hpp"
 #include "model/Anomaly.hpp"
+#include "IDatasetChartStrategy.hpp"
 namespace geopro::data { class IAsyncDatasetRepository; class ChartLoad; class GridLoad; }
 namespace geopro::controller {
 
@@ -32,7 +33,8 @@ public:
         std::vector<geopro::core::Anomaly> anomalies;
     };
 
-    explicit DatasetDetailController(data::IAsyncDatasetRepository& repo, QObject* parent = nullptr);
+    DatasetDetailController(data::IAsyncDatasetRepository& repo,
+                            ChartStrategyRegistry& registry, QObject* parent = nullptr);
     ~DatasetDetailController() override;  // 退出契约(spec §7)：abort 在飞句柄，避免迟到信号打到已析构 this
 public slots:
     void openDataset(const QString& dsId, const QString& ddCode);
@@ -46,6 +48,7 @@ signals:
     void loadFailed(const QString& dsId, const QString& message);
 private:
     data::IAsyncDatasetRepository& repo_;
+    ChartStrategyRegistry& registry_;
     QPointer<data::ChartLoad> chartLoad_;
     QPointer<data::GridLoad> gridLoad_;
 };
diff --git a/src/app/panels/chart/IDatasetChartStrategy.hpp b/src/controller/IDatasetChartStrategy.hpp
similarity index 71%
rename from src/app/panels/chart/IDatasetChartStrategy.hpp
rename to src/controller/IDatasetChartStrategy.hpp
index 7fdc240..115d791 100644
--- a/src/app/panels/chart/IDatasetChartStrategy.hpp
+++ b/src/controller/IDatasetChartStrategy.hpp
@@ -2,14 +2,15 @@
 #include <map>
 #include <memory>
 #include <string>
-namespace geopro::app {
-
-class DatasetDetailPage;  // 前置
+namespace geopro::controller {
 
 // dd 类型驱动的图表策略：决定某 ddCode 的详情页如何加载/渲染。
 struct IDatasetChartStrategy {
     virtual ~IDatasetChartStrategy() = default;
     virtual std::string ddCode() const = 0;
+    // 该类型是否有「网格数据」加载阶段（ERT 反演=true；纯散点/折线/图像类=false）。
+    // 控制器据此决定是否允许 loadGridData，替代硬编码 ddCode 判断。
+    virtual bool hasGridPhase() const = 0;
 };
 
 class ChartStrategyRegistry {
@@ -26,4 +27,4 @@ public:
 private:
     std::map<std::string, std::unique_ptr<IDatasetChartStrategy>> map_;
 };
-}  // namespace geopro::app
+}  // namespace geopro::controller
diff --git a/tests/app/test_chart_strategy_registry.cpp b/tests/app/test_chart_strategy_registry.cpp
index ad6da01..d54c7ba 100644
--- a/tests/app/test_chart_strategy_registry.cpp
+++ b/tests/app/test_chart_strategy_registry.cpp
@@ -1,8 +1,11 @@
 #include <gtest/gtest.h>
-#include "panels/chart/IDatasetChartStrategy.hpp"
-using namespace geopro::app;
+#include "IDatasetChartStrategy.hpp"  // geopro::controller（控制器层）
+using namespace geopro::controller;
 namespace {
-struct Fake : IDatasetChartStrategy { std::string ddCode() const override { return "dd_inversion_data"; } };
+struct Fake : IDatasetChartStrategy {
+    std::string ddCode() const override { return "dd_inversion_data"; }
+    bool hasGridPhase() const override { return true; }
+};
 }
 TEST(ChartStrategyRegistry, FindsRegisteredAndDegradesUnknown) {
     ChartStrategyRegistry reg;
@@ -12,3 +15,10 @@ TEST(ChartStrategyRegistry, FindsRegisteredAndDegradesUnknown) {
     EXPECT_FALSE(reg.supports("dd_unknown"));
     EXPECT_EQ(reg.find("dd_unknown"), nullptr);
 }
+TEST(ChartStrategyRegistry, ReportsHasGridPhase) {
+    ChartStrategyRegistry reg;
+    reg.add(std::make_unique<Fake>());
+    auto* s = reg.find("dd_inversion_data");
+    ASSERT_NE(s, nullptr);
+    EXPECT_TRUE(s->hasGridPhase());
+}
diff --git a/tests/controller/test_dataset_detail_controller.cpp b/tests/controller/test_dataset_detail_controller.cpp
index 4e21148..e996ddc 100644
--- a/tests/controller/test_dataset_detail_controller.cpp
+++ b/tests/controller/test_dataset_detail_controller.cpp
@@ -1,11 +1,29 @@
 #include <gtest/gtest.h>
 #include <QSignalSpy>
 #include "DatasetDetailController.hpp"
+#include "IDatasetChartStrategy.hpp"
 #include "repo/IAsyncDatasetRepository.hpp"
 #include "api/DatasetLoadHandles.hpp"
 using namespace geopro;
 
 namespace {
+// 反演策略桩：散点 + 网格两阶段。
+struct InversionStrategy : controller::IDatasetChartStrategy {
+    std::string ddCode() const override { return "dd_inversion_data"; }
+    bool hasGridPhase() const override { return true; }
+};
+// 无网格阶段策略桩：仅散点（如纯散点类型）。
+struct NoGridStrategy : controller::IDatasetChartStrategy {
+    std::string ddCode() const override { return "dd_scatter_only"; }
+    bool hasGridPhase() const override { return false; }
+};
+// 注册了反演策略的注册表（多数用例复用）。
+controller::ChartStrategyRegistry makeInversionRegistry() {
+    controller::ChartStrategyRegistry reg;
+    reg.add(std::make_unique<InversionStrategy>());
+    return reg;
+}
+
 // 桩句柄：不声明 Q_OBJECT —— 发射继承自 data::ChartLoad/GridLoad 的信号、override abort。
 struct StubChartLoad : data::ChartLoad {
     bool aborted = false;
@@ -33,7 +51,8 @@ struct StubAsyncRepo : data::IAsyncDatasetRepository {
 
 TEST(DatasetDetailController, EmitsChartReadyOnDone) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::chartReady);
     c.openDataset("ds1", "dd_inversion_data");
     repo.lastChart->fireDone();
@@ -42,7 +61,8 @@ TEST(DatasetDetailController, EmitsChartReadyOnDone) {
 
 TEST(DatasetDetailController, EmitsLoadFailedOnFailed) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::loadFailed);
     c.openDataset("ds1", "dd_inversion_data");
     repo.lastChart->fireFailed();
@@ -51,16 +71,39 @@ TEST(DatasetDetailController, EmitsLoadFailedOnFailed) {
 
 TEST(DatasetDetailController, UnsupportedTypeFailsImmediately) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();   // 注册了反演，但未注册 dd_other
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::loadFailed);
     c.openDataset("ds1", "dd_other");
     EXPECT_EQ(spy.count(), 1);
     EXPECT_EQ(repo.lastChart, nullptr);   // 未发起加载
 }
 
+// 空注册表 → 任意 ddCode 都不支持 → loadFailed，不发起加载。
+TEST(DatasetDetailController, EmptyRegistryFailsAnyType) {
+    StubAsyncRepo repo;
+    controller::ChartStrategyRegistry reg;   // 空
+    controller::DatasetDetailController c(repo, reg);
+    QSignalSpy spy(&c, &controller::DatasetDetailController::loadFailed);
+    c.openDataset("ds1", "dd_inversion_data");
+    EXPECT_EQ(spy.count(), 1);
+    EXPECT_EQ(repo.lastChart, nullptr);
+}
+
+// 无网格阶段的策略 → loadGridData 不发起网格加载。
+TEST(DatasetDetailController, NoGridPhaseStrategySkipsGridLoad) {
+    StubAsyncRepo repo;
+    controller::ChartStrategyRegistry reg;
+    reg.add(std::make_unique<NoGridStrategy>());
+    controller::DatasetDetailController c(repo, reg);
+    c.loadGridData("ds1", "dd_scatter_only");
+    EXPECT_EQ(repo.lastGrid, nullptr);   // hasGridPhase()==false → 未发起
+}
+
 TEST(DatasetDetailController, AbortsPreviousOnReopen) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     c.openDataset("dsA", "dd_inversion_data");
     StubChartLoad* a = repo.lastChart;
     c.openDataset("dsB", "dd_inversion_data");   // 替换
@@ -69,7 +112,8 @@ TEST(DatasetDetailController, AbortsPreviousOnReopen) {
 
 TEST(DatasetDetailController, DropsLateSignalFromAbortedLoad) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::chartReady);
     c.openDataset("dsA", "dd_inversion_data");
     StubChartLoad* a = repo.lastChart;
@@ -83,7 +127,8 @@ TEST(DatasetDetailController, DropsLateSignalFromAbortedLoad) {
 
 TEST(DatasetDetailController, EmitsGridReadyOnDone) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::gridReady);
     c.loadGridData("ds1", "dd_inversion_data");
     repo.lastGrid->fireDone();
@@ -92,7 +137,8 @@ TEST(DatasetDetailController, EmitsGridReadyOnDone) {
 
 TEST(DatasetDetailController, EmitsLoadFailedOnGridFailed) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::loadFailed);
     c.loadGridData("ds1", "dd_inversion_data");
     repo.lastGrid->fireFailed();
@@ -101,7 +147,8 @@ TEST(DatasetDetailController, EmitsLoadFailedOnGridFailed) {
 
 TEST(DatasetDetailController, DropsLateGridSignalFromAbortedLoad) {
     StubAsyncRepo repo;
-    controller::DatasetDetailController c(repo);
+    auto reg = makeInversionRegistry();
+    controller::DatasetDetailController c(repo, reg);
     QSignalSpy spy(&c, &controller::DatasetDetailController::gridReady);
     c.loadGridData("dsA", "dd_inversion_data");
     StubGridLoad* a = repo.lastGrid;