replace the old dotfiles with the sakura line rice

The bare $HOME repo is gone. This is now the rice: install.sh, rice-*
scripts in bin/, configs in home/ linked into $HOME, theme templates, st
and the particle wallpaper. Clone to ~/rice and run install.sh.

home/.bash_profile

@@ -0,0 +1,16 @@
+# ~/.bash_profile
+[[ -f ~/.bashrc ]] && . ~/.bashrc
+
+# Auto-start the graphical session, but ONLY in the exact situation where it is
+# safe to do so. Any one of these guards failing leaves you at a normal shell.
+#   - not already inside X
+#   - not an SSH session (never hijack a remote login)
+#   - physically on VT 1
+#   - no Xorg already running for this user
+# NOTE: deliberately NOT `exec startx`. If X dies or fails to start we fall back
+# to an interactive shell on tty1 instead of a login loop.
+if [[ -z "$DISPLAY" && -z "$SSH_CONNECTION" && "$XDG_VTNR" == "1" ]]; then
+    if ! pgrep -u "$USER" -x Xorg >/dev/null 2>&1; then
+        startx
+    fi
+fi