feat(ui): ObjectExceptionPanel 异常+异常体只读树（含详情展开）

src/app/CMakeLists.txt

@@ -25,6 +25,7 @@ add_executable(geopro_desktop WIN32
   panels/DatasetListPanel.cpp
   panels/ObjectTreePanel.cpp
   panels/DynamicFormView.cpp
+  panels/ObjectExceptionPanel.cpp
   CentralScene.cpp
   ProjectListDialog.cpp
   SettingsDialog.cpp)

src/app/panels/ObjectExceptionPanel.cpp

@@ -0,0 +1,85 @@
+#include "panels/ObjectExceptionPanel.hpp"
+
+#include <QLabel>
+#include <QTreeWidget>
+#include <QTreeWidgetItem>
+#include <QVBoxLayout>
+
+#include "Theme.hpp"
+
+namespace geopro::app {
+
+namespace {
+QTreeWidgetItem* addException(QTreeWidgetItem* parent, const geopro::data::ExceptionRow& e) {
+    auto* item = new QTreeWidgetItem(parent);
+    const QString type =
+        e.typeName.empty() ? QString() : QStringLiteral("（%1）").arg(QString::fromStdString(e.typeName));
+    item->setText(0, QString::fromStdString(e.name) + type);
+    // 详情展开（D6）：异常下挂一个详情子项，显示已加载摘要（多行）。
+    if (!e.detailSummary.empty()) {
+        auto* detail = new QTreeWidgetItem(item);
+        detail->setText(0, QString::fromStdString(e.detailSummary));
+        detail->setFirstColumnSpanned(true);
+        detail->setForeground(0, geopro::app::tokenColor("text/tertiary"));
+    }
+    return item;
+}
+}  // namespace
+
+ObjectExceptionPanel::ObjectExceptionPanel(QWidget* parent) : QWidget(parent) {
+    auto* lay = new QVBoxLayout(this);
+    lay->setContentsMargins(0, 0, 0, 0);
+    lay->setSpacing(0);
+
+    tree_ = new QTreeWidget(this);
+    tree_->setHeaderHidden(true);
+    tree_->setIndentation(14);
+    lay->addWidget(tree_, 1);
+
+    hint_ = new QLabel(QStringLiteral("（勾选对象后显示其异常 / 异常体）"), this);
+    hint_->setAlignment(Qt::AlignCenter);
+    geopro::app::applyTokenizedStyleSheet(hint_, QStringLiteral("color:{{text/disabled}}; padding:16px;"));
+    lay->addWidget(hint_);
+    tree_->setVisible(false);
+}
+
+void ObjectExceptionPanel::setGroups(
+    const std::vector<geopro::data::ObjectExceptionGroup>& groups) {
+    tree_->clear();
+    bool any = false;
+    for (const auto& g : groups) {
+        auto* objItem = new QTreeWidgetItem(tree_);
+        objItem->setText(0, QString::fromStdString(g.objectName));
+        for (const auto& c : g.consortia) {
+            auto* cItem = new QTreeWidgetItem(objItem);
+            const QString ctype = c.typeName.empty()
+                                      ? QString()
+                                      : QStringLiteral("（%1）").arg(QString::fromStdString(c.typeName));
+            cItem->setText(0, QStringLiteral("异常体 %1%2")
+                                  .arg(QString::fromStdString(c.name.empty() ? c.id : c.name))
+                                  .arg(ctype));
+            for (const auto& e : c.exceptions) { addException(cItem, e); any = true; }
+        }
+        if (!g.looseExceptions.empty()) {
+            auto* looseItem = new QTreeWidgetItem(objItem);
+            looseItem->setText(0, QStringLiteral("独立异常（未合并）"));
+            for (const auto& e : g.looseExceptions) { addException(looseItem, e); any = true; }
+        }
+    }
+    if (!any) {
+        showMessage(QStringLiteral("（所选对象暂无异常）"));
+        return;
+    }
+    hint_->setVisible(false);
+    tree_->setVisible(true);
+    tree_->expandAll();
+}
+
+void ObjectExceptionPanel::showMessage(const QString& message) {
+    tree_->clear();
+    tree_->setVisible(false);
+    hint_->setText(message);
+    hint_->setVisible(true);
+}
+
+}  // namespace geopro::app

src/app/panels/ObjectExceptionPanel.hpp

@@ -0,0 +1,23 @@
+#pragma once
+#include <QWidget>
+#include <vector>
+#include "repo/RepoTypes.hpp"
+
+class QTreeWidget;
+class QLabel;
+
+namespace geopro::app {
+
+// 被动：异常 + 异常体 只读树（对象→异常体→异常→详情 + 独立异常）。数据由控制器推送。
+class ObjectExceptionPanel : public QWidget {
+public:
+    explicit ObjectExceptionPanel(QWidget* parent = nullptr);
+    void setGroups(const std::vector<geopro::data::ObjectExceptionGroup>& groups);
+    void showMessage(const QString& message);
+
+private:
+    QTreeWidget* tree_ = nullptr;
+    QLabel* hint_ = nullptr;
+};
+
+}  // namespace geopro::app