refactor: promote new architecture to repository root

Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.

1 files changed, 0 insertions, 52 deletions

diff --git a/src/user/cat.cc b/src/user/cat.cc
deleted file mode 100644
index b518d77..0000000
--- a/src/user/cat.cc
+++ /dev/null
@@ -1,52 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2026 Richard QIn
- */
-#include "ulib/stdio.h"
-#include "ulib/stdlib.h"
-#include "ulib/string.h"
-#include "user/user.h"
-#include "common/fcntl.h"
-
-char buf[512];
-
-void cat(int fd)
-{
-    int n;
-    while ((n = read(fd, buf, sizeof(buf))) > 0)
-    {
-        if (write(1, buf, n) != n)
-        {
-            printf("cat: write error\n");
-            exit(1);
-        }
-    }
-    if (n < 0)
-    {
-        printf("cat: read error\n");
-        exit(1);
-    }
-}
-
-int main(int argc, char *argv[])
-{
-    int fd, i;
-
-    if (argc <= 1)
-    {
-        cat(0);
-        exit(0);
-    }
-
-    for (i = 1; i < argc; i++)
-    {
-        if ((fd = open(argv[i], O_RDONLY)) < 0)
-        {
-            printf("cat: cannot open %s\n", argv[i]);
-            exit(1);
-        }
-        cat(fd);
-        close(fd);
-    }
-    exit(0);
-}
\ No newline at end of file