clean up and standardize types across the codebase, unify atomic operations, improve UTF-8 handling throughout the system, remove obsolete input and named queue interfaces, redesign process preparation and creation, tighten IPC and service boundaries, improve error handling and reliability, minor documentation cleanup, fix doom surfaces, fix panic in ini parsing.

code/user/tests/exception_dispatcher_smoke/exception_dispatcher_smoke.c

@@ -45,7 +45,7 @@ static void fail(const char* message) {
 }
 
 // Fails the test with one status value.
-static void fail_status(const char* what, uint32_t status) {
+static void fail_status(const char* what, KSTATUS status) {
     print("exception_dispatcher_smoke: ");
     print(what);
     print(" status=");
@@ -81,7 +81,7 @@ static void smoke_continue_dispatcher(SYS_EXCEPTION_FRAME* frame) {
     request.Disposition = SYS_EXCEPTION_DISPOSITION_CONTINUE_EXECUTION;
     request.Context = &frame->ContextRecord;
 
-    uint32_t status = SysContinueException(&request);
+    KSTATUS status = SysContinueException(&request);
     fail_status("continue exception returned", status);
 }
 
@@ -104,7 +104,7 @@ static SYS_EXCEPTION_DISPATCHER_REQUEST get_registration(void) {
     SYS_EXCEPTION_DISPATCHER_REQUEST request;
     memset(&request, 0, sizeof(request));
     request.Size = sizeof(request);
-    uint32_t status = SysGetExceptionDispatcher(&request);
+    KSTATUS status = SysGetExceptionDispatcher(&request);
     if (status != NTLSTATUS_SUCCESS)
         fail_status("get dispatcher", status);
     if (request.Size != sizeof(request))
@@ -150,7 +150,7 @@ int main(void) {
     request.Size = sizeof(request);
     request.DispatcherRoutine = smoke_dispatcher;
     request.DispatcherContext = (void*)(uintptr_t)0x1234;
-    uint32_t status = SysSetExceptionDispatcher(&request);
+    KSTATUS status = SysSetExceptionDispatcher(&request);
     if (status != NTLSTATUS_SUCCESS)
         fail_status("set dispatcher", status);