Use static NF caps and moon prompt

- Switch to fixed NF separators and \w path

- Use fixed moon emoji and inline status arrow

dotfiles/install/install-global-ps1.sh

@@ -107,8 +107,6 @@ _ps1_update() {
 # Public functions
 # -------------------------------------------------
 ps1_on() {
-  PROMPT_COMMAND="_ps1_update"
-
   local RST="\[\e[0m\]"
 
   # Zone 1 (date/time/user): gray-blue pastel
@@ -126,21 +124,19 @@ ps1_on() {
   # Status colors
   local OK="\[\e[38;5;76m\]"
   local BAD="\[\e[38;5;203m\]"
-  local BOLD="\[\e[1m\]"
-  local NOBOLD="\[\e[22m\]"
 
-  # Separators w/ fallback (NF vs non-NF)
-  local SEP_EXPR='\$( [ "$__PS1_USE_NF" -eq 1 ] && printf "" || printf "▶" )'
-  local LEFT_EXPR='\$( [ "$__PS1_USE_NF" -eq 1 ] && printf "" || printf "[" )'
-  local RIGHT_EXPR='\$( [ "$__PS1_USE_NF" -eq 1 ] && printf "" || printf "]" )'
-
-  local PROMPT_SYM="\$( [ \$__PS1_STATUS -eq 0 ] && printf '${OK}' || printf '${BAD}' )${BOLD}➜${NOBOLD}${RST}"
+  # Separators (NF)
+  local LEFT=""
+  local SEP=""
+  local RIGHT=""
 
   PS1="\
 ${FRAME}╭─${RST}\
-${Z1_BG}${Z1_FG}${LEFT_EXPR} \d \A \u ${RST}${Z1_BG}${Z2_BG}${Z2_FG}${SEP_EXPR}${RST}\
-${Z2_BG}${Z2_FG} @\h ${PATH_FG}\${__PS1_PATH}${RST}${Z2_BG}${Z2_FG}${RIGHT_EXPR}${RST}\
-\n${FRAME}╰── ${RST}${PROMPT_SYM} \${__PS1_SYM} "
+${Z1_BG}${Z1_FG}${LEFT} \d \A \u ${RST}\
+${Z1_BG}${Z2_BG}${Z2_FG}${SEP}${RST}\
+${Z2_BG}${Z2_FG} @\h ${PATH_FG}\w ${RST}${Z2_BG}${Z2_FG}${RIGHT}${RST}\
+\n${FRAME}╰── ${RST}\
+\$( [ \$? -eq 0 ] && printf '${OK}' || printf '${BAD}' )➜${RST} 🌙 "
 }
 
 ps1_off() {