feat: add d4r inference engines and Windows parity tooling

Add native K/M/RR inference engines, HIP kernels, replay and validation
harnesses, and Windows DLSS setup and runtime support. Include GPU
profiling tools, build and packaging scripts, platform integration
patches, and implementation documentation.

tools/ngx_param_abi_probe_shared.h

@@ -0,0 +1,12 @@
+#pragma once
+
+struct D4rNgxParamLogRecord
+{
+    unsigned char operation;
+    unsigned char valueType;
+    unsigned short reserved;
+    unsigned int result;
+    unsigned long long value;
+    char name[64];
+};
+static_assert(sizeof(D4rNgxParamLogRecord) == 80);