Add selectable PS1 styles

- Implement 5 bold styles and style config

- Prompt for style selection in installers

dotfiles/ps1/ps1.sh

@@ -89,6 +89,34 @@ _ps1_season() {
   fi
 }
 
+# Style selection (aurora/neon/forge/circuit/mono)
+#   PS1_STYLE=aurora|neon|forge|circuit|mono
+# Also reads config from /etc/ps1-style or ~/.config/ps1/style
+_ps1_style_config() {
+  local cfg=""
+  if [[ -r /etc/ps1-style ]]; then
+    cfg="/etc/ps1-style"
+  elif [[ -r "$HOME/.config/ps1/style" ]]; then
+    cfg="$HOME/.config/ps1/style"
+  fi
+
+  if [[ -n "$cfg" ]]; then
+    while IFS='=' read -r k v; do
+      k="${k//[[:space:]]/}"
+      v="${v//[[:space:]]/}"
+      case "$k" in
+        PS1_STYLE) export PS1_STYLE="$v" ;;
+      esac
+    done < "$cfg"
+  fi
+}
+
+_ps1_style() {
+  _ps1_style_config
+  local style="${PS1_STYLE:-aurora}"
+  echo "$style"
+}
+
 # Time-based emoji with seasonal accents (Europe/Oslo)
 _ps1_pick_icon() {
   local list_name="$1"
@@ -182,6 +210,7 @@ __PS1_PATH=""
 __PS1_STATUS=0
 __PS1_USE_NF=0
 __PS1_SEASON="winter"
+__PS1_STYLE="aurora"
 
 _ps1_set_prompt() {
   local RST="\[\e[0m\]"
@@ -244,17 +273,68 @@ _ps1_set_prompt() {
     prompt_sym="${BAD}${BOLD}➜${NOBOLD}${RST}"
   fi
 
-  # Keep order: date time user | host path, newline, then prompt
-  PS1="\
+  local style="${__PS1_STYLE:-aurora}"
+  local L1="\\d \\A \\u"
+  local L_HOST="@\\h"
+
+  case "$style" in
+    neon)
+      local N1_BG="\[\e[48;5;201m\]"
+      local N1_FG="\[\e[38;5;255m\]"
+      local N2_BG="\[\e[48;5;45m\]"
+      local N2_FG="\[\e[38;5;16m\]"
+      local N_PATH_FG="\[\e[38;5;16m\]"
+      local N_FRAME="\[\e[38;5;199m\]"
+      PS1="\
+${N_FRAME}╭─${RST}\
+${N1_BG}${N1_FG}${left} ${BOLD}\\u${NOBOLD} \\d \\A ${RST}${N1_BG}${N2_BG}${N2_FG}${sep}${RST}\
+${N2_BG}${N2_FG} ${L_HOST} ${N_PATH_FG}${__PS1_PATH}${RST}${N2_BG}${N2_FG}${right}${RST}\
+\n${N_FRAME}╰── ${RST}${prompt_sym} ${__PS1_SYM} "
+      ;;
+    forge)
+      local F1_BG="\[\e[48;5;94m\]"
+      local F1_FG="\[\e[38;5;230m\]"
+      local F2_BG="\[\e[48;5;166m\]"
+      local F2_FG="\[\e[38;5;231m\]"
+      local F_PATH_FG="\[\e[38;5;224m\]"
+      local F_FRAME="\[\e[38;5;130m\]"
+      PS1="\
+${F_FRAME}╭─${RST}\
+${F1_BG}${F1_FG}${left} ${BOLD}${L1}${NOBOLD} ${RST}${F1_BG}${F2_BG}${F2_FG}${sep}${RST}\
+${F2_BG}${F2_FG} ${L_HOST} ${F_PATH_FG}${__PS1_PATH}${RST}${F2_BG}${F2_FG}${right}${RST}\
+\n${F_FRAME}╰── ${RST}${prompt_sym} ${__PS1_SYM} "
+      ;;
+    circuit)
+      local C_FG="\[\e[38;5;46m\]"
+      local C_DIM="\[\e[38;5;22m\]"
+      local C_PATH="\[\e[38;5;120m\]"
+      PS1="\
+${C_DIM}┏━${RST}${C_FG}[${BOLD}\\u${NOBOLD} ${RST}${C_FG}\\A${RST}${C_DIM}]${RST}\
+${C_DIM}━${RST}${C_FG}${L_HOST}${RST} ${C_PATH}${__PS1_PATH}${RST}\
+\n${C_DIM}┗━${RST}${prompt_sym} ${__PS1_SYM} "
+      ;;
+    mono)
+      local M_FG="\[\e[38;5;250m\]"
+      local M_DIM="\[\e[38;5;240m\]"
+      PS1="\
+${M_FG}⟦${L1}⟧ ${M_DIM}${L_HOST} ${M_FG}${__PS1_PATH}${RST}\
+\n${M_DIM}└─${RST}${prompt_sym} ${__PS1_SYM} "
+      ;;
+    *)
+      # aurora (default)
+      PS1="\
 ${FRAME}╭─${RST}\
-${Z1_BG}${Z1_FG}${left} \\d \\A \\u ${RST}${Z1_BG}${Z2_BG}${Z2_FG}${sep}${RST}\
-${Z2_BG}${Z2_FG} @\\h ${PATH_FG}${__PS1_PATH}${RST}${Z2_BG}${Z2_FG}${right}${RST}\
+${Z1_BG}${Z1_FG}${left} ${L1} ${RST}${Z1_BG}${Z2_BG}${Z2_FG}${sep}${RST}\
+${Z2_BG}${Z2_FG} ${L_HOST} ${PATH_FG}${__PS1_PATH}${RST}${Z2_BG}${Z2_FG}${right}${RST}\
 \n${FRAME}╰── ${RST}${prompt_sym} ${__PS1_SYM} "
+      ;;
+  esac
 }
 
 _ps1_update() {
   __PS1_STATUS=$?
   __PS1_SEASON="$(_ps1_season)"
+  __PS1_STYLE="$(_ps1_style)"
   __PS1_SYM="$(_ps1_symbol)"
   __PS1_PATH="$(_ps1_path)"
   if _ps1_has_nf; then __PS1_USE_NF=1; else __PS1_USE_NF=0; fi