Resolve device selector on detach and add YuvStimProducer state tests.

Detach finds the shared producer via lcameraDev_resolveDeviceSelectorCReq
then removes buffers by attach identity; unit tests cover quale guards.

Co-authored-by: Cursor <cursoragent@cursor.com>

stimBuffApis/lcameraBuff/tests/hilSmoCallbacksStub.cpp

@@ -0,0 +1,95 @@
+#include <hilSmoCallbacksStub.h>
+#include <opts.h>
+#include <user/comparatorApiDesc.h>
+#include <spinscale/componentThread.h>
+
+namespace lcamera_buff_tests {
+
+namespace {
+
+std::optional<std::string> searchForLibInSmoSearchPathsStub(
+	const std::string& libraryPath)
+{
+	(void)libraryPath;
+
+	const char *overridePath = std::getenv("LCAMERADEV_LIB_PATH");
+	if (overridePath != nullptr && std::string(overridePath).size() > 0) {
+		return overridePath;
+	}
+
+	return std::nullopt;
+}
+
+std::shared_ptr<sscl::ComponentThread> componentThreadGetSelfStub()
+{
+	return sscl::ComponentThread::getSelf();
+}
+
+OptionParser& optionParserGetOptionsStub()
+{
+	return OptionParser::getOptions();
+}
+
+void releaseUseHostPtrBufferStub(
+	std::shared_ptr<smo::compute::ClBuffer> buffer)
+{
+	(void)buffer;
+}
+
+std::shared_ptr<smo::compute::ComputeDevice> computeManagerGetDeviceStub()
+{
+	return nullptr;
+}
+
+void computeManagerReleaseDeviceStub(
+	std::shared_ptr<smo::compute::ComputeDevice> device)
+{
+	(void)device;
+}
+
+std::shared_ptr<smo::cologex::ExportedComparatorTypeDesc>
+comparatorManagerGetComparatorTypeStub(smo::cologex::ComparatorTypeId typeId)
+{
+	(void)typeId;
+	return nullptr;
+}
+
+std::unique_ptr<smo::cologex::Comparator> comparatorGetNewInstanceStub(
+	const std::shared_ptr<smo::cologex::ExportedComparatorTypeDesc>& comparatorType)
+{
+	(void)comparatorType;
+	return nullptr;
+}
+
+const smo::stim_buff::SmoCallbacks hilCallbacks = {
+	.searchForLibInSmoSearchPaths = searchForLibInSmoSearchPathsStub,
+	.ComponentThread_getSelf = componentThreadGetSelfStub,
+	.OptionParser_getOptions = optionParserGetOptionsStub,
+	.ComputeManager_createUseHostPtrBuffer = createUseHostPtrBufferStub,
+	.ComputeManager_releaseUseHostPtrBuffer = releaseUseHostPtrBufferStub,
+	.ComputeManager_getDevice = computeManagerGetDeviceStub,
+	.ComputeManager_releaseDevice = computeManagerReleaseDeviceStub,
+	.ComparatorManager_getComparatorType =
+		comparatorManagerGetComparatorTypeStub,
+	.Comparator_getNewInstance = comparatorGetNewInstanceStub,
+};
+
+} // namespace
+
+std::shared_ptr<smo::compute::ClBuffer> createUseHostPtrBufferStub(
+	void* hostPtr,
+	size_t size,
+	cl_mem_flags flags)
+{
+	static const std::vector<std::shared_ptr<smo::compute::ComputeDevice>>
+		emptyDevices;
+	return std::make_shared<smo::compute::ClBuffer>(
+		hostPtr, size, flags, emptyDevices);
+}
+
+const smo::stim_buff::SmoCallbacks& hilSmoCallbacksStub()
+{
+	return hilCallbacks;
+}
+
+} // namespace lcamera_buff_tests