Fix Windows link: provide boost::throw_exception shim for Boost 1.90

Boost 1.90 on MSVC declares throw_exception in a header but the Conan
package may not include the compiled library. Provide our own
implementation (guarded by BOOST_VERSION >= 109000) so the symbol
resolves on all platforms without depending on package manager config.

Author: frstrtr

src/core/CMakeLists.txt

@@ -33,14 +33,15 @@ set(source
     address_utils.hpp address_utils.cpp
     leveldb_store.hpp leveldb_store.cpp
     address_validator.hpp address_validator.cpp
+    boost_throw_exception.cpp
 )
 
 find_package(yaml-cpp REQUIRED)
 
 add_library(core STATIC ${source})
 target_link_libraries(core btclibs)
 
-target_link_libraries(core Boost::headers Boost::log Boost::log_setup Boost::thread Boost::filesystem Boost::exception yaml-cpp nlohmann_json::nlohmann_json ${LEVELDB_LIBRARIES})
+target_link_libraries(core Boost::headers Boost::log Boost::log_setup Boost::thread Boost::filesystem yaml-cpp nlohmann_json::nlohmann_json ${LEVELDB_LIBRARIES})
 
 # Add LevelDB include directories
 target_include_directories(core PUBLIC ${LEVELDB_INCLUDE_DIRS})

src/core/boost_throw_exception.cpp

@@ -0,0 +1,22 @@
+// Provide boost::throw_exception implementation for Boost 1.90+ on MSVC.
+// Boost 1.90 declares throw_exception in a header but the compiled library
+// may not be available in all package manager configurations (Conan/vcpkg).
+// This shim ensures the symbol is always resolvable.
+#include <boost/version.hpp>
+#if BOOST_VERSION >= 109000
+#include <boost/config.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/exception/exception.hpp>
+
+#if !defined(BOOST_NO_EXCEPTIONS)
+namespace boost {
+BOOST_NORETURN void throw_exception(std::exception const& e) {
+    throw e;
+}
+BOOST_NORETURN void throw_exception(std::exception const& e,
+                                     boost::source_location const&) {
+    throw e;
+}
+} // namespace boost
+#endif
+#endif