feat: vfs - add stat syscall

kernel/src/Api/Filesystem.hpp

@@ -116,6 +116,23 @@ namespace montauk::abi {
         return Fs::Vfs::VfsDelete(resolved);
     }
 
+    static int Sys_Stat(const char* path, FileStat* out) {
+        if (out == nullptr) return -1;
+        char resolved[256];
+        if (!ResolveProcessPath(path, resolved, sizeof(resolved))) return -1;
+
+        Fs::Vfs::StatInfo info;
+        if (Fs::Vfs::VfsStat(resolved, info) != 0) return -1;
+
+        out->size  = info.size;
+        out->mtime = info.mtime;
+        out->ctime = info.ctime;
+        out->atime = info.atime;
+        out->mode  = info.mode;
+        out->isDir = info.isDir ? 1u : 0u;
+        return 0;
+    }
+
     static int Sys_FMkdir(const char* path) {
         char resolved[256];
         if (!ResolveProcessPath(path, resolved, sizeof(resolved))) return -1;