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/personalities/posix/posix_runtime.c

@@ -463,7 +463,7 @@ static KSTATUS PosixRuntimeRegisterProcess(POSIX_PROCESS_STATE* process,
 }
 
 // Initializes process-local POSIX state, registers stable identity, and attaches the initial thread.
-uint32_t PosixRuntimeInitializeProcess(void) {
+KSTATUS PosixRuntimeInitializeProcess(void) {
     if (gPosixProcessState)
         return PosixRuntimeAttachThread();
 
@@ -482,7 +482,7 @@ uint32_t PosixRuntimeInitializeProcess(void) {
     gPosixProcessState = process;
 
     NTL_POSIX_BOOTSTRAP_DATA bootstrap;
-    uint32_t status = PosixRuntimeReadBootstrap(&bootstrap);
+    KSTATUS status = PosixRuntimeReadBootstrap(&bootstrap);
     if (status != NTLSTATUS_SUCCESS) {
         gPosixProcessState = (POSIX_PROCESS_STATE*)0;
         free(process);
@@ -608,7 +608,7 @@ static void PosixRuntimeUnregisterThread(POSIX_THREAD_STATE* thread) {
 }
 
 // Attaches the native thread with one inherited persistent POSIX signal mask.
-uint32_t PosixRuntimeAttachThreadWithSignalMask(uint64_t signalMask) {
+KSTATUS PosixRuntimeAttachThreadWithSignalMask(uint64_t signalMask) {
     SYS_TEB* teb = SysGetTeb();
     POSIX_PROCESS_STATE* process = PosixRuntimeProcessState();
     if (!teb || teb->Magic != SYS_TEB_MAGIC || !process)
@@ -649,7 +649,7 @@ uint32_t PosixRuntimeAttachThreadWithSignalMask(uint64_t signalMask) {
 }
 
 // Attaches a native thread with the default empty signal mask.
-uint32_t PosixRuntimeAttachThread(void) {
+KSTATUS PosixRuntimeAttachThread(void) {
     return PosixRuntimeAttachThreadWithSignalMask(0);
 }
 
@@ -763,7 +763,7 @@ static KSTATUS PosixRuntimeReportBootstrapReady(POSIX_PROCESS_STATE* process) {
 
 // Initializes all POSIX process state required before application main.
 NTL_POSIX_API uint32_t __ntl_posix_process_start(void) {
-    uint32_t status = PosixRuntimeInitializeProcess();
+    KSTATUS status = PosixRuntimeInitializeProcess();
     if (status != NTLSTATUS_SUCCESS)
         return status;