implement user mode catchable exceptions, refactor system status codes to use NTLSTATUS_ prefix, update build scripts to use shared literal macros for linker arguments, update named queue lifetime cleanup to include KeNamedQueueUnpublishHandle.

code/public/ntlite/ddi/net_abi.h

@@ -35,7 +35,10 @@
 #define SYS_POLL_INVALID  0x0010u
 #define SYS_POLL_TIMEOUT_INFINITE 0xFFFFFFFFu
 
-// Kernel socket providers use the same tagged native address shape as syscalls.
+// Kernel socket providers use the same fixed-size tagged native address shape as syscalls.
+// Input requests use the syscall pointer-length parameter as the definitive
+// buffer bound and require Size to equal SYS_SOCKET_ADDRESS_SIZE after copying.
+// Address stores textual-order bytes; Port is host byte order.
 typedef struct SYS_SOCKET_ADDRESS_K {
     uint16_t Family;
     uint16_t Size;