Add demo mode to cycle all themes

.context.json

@@ -196,6 +196,13 @@
         "layout": "two-line, segmented gradient",
         "preview": "[date time user] @host - /path"
       },
+      {
+        "id": "demo",
+        "name": "Demo",
+        "description": "Cycles through all styles each prompt.",
+        "layout": "two-line, auto-rotate",
+        "preview": "(auto-rotate)"
+      },
       {
         "id": "radar",
         "name": "Radar",
@@ -247,7 +254,7 @@
       }
     ],
     "config": {
-      "env": "PS1_STYLE=aurora|neon|forge|circuit|mono|git|hawolex|hawolexv2|radar|synthwave|noir|topo|glitch|arcticfire|acidlime; PS1_STYLE_PACK=standard|contest|holiday|custom; PS1_CONTEST_LAYOUT=day-time-user|user-time|time-user|day-time; PS1_HOLIDAY=christmas|easter|halloween|valentine|thanksgiving|newyear; PS1_GIT=0|1",
+      "env": "PS1_STYLE=aurora|neon|forge|circuit|mono|git|hawolex|hawolexv2|radar|synthwave|noir|topo|glitch|arcticfire|acidlime|demo; PS1_STYLE_PACK=standard|contest|holiday|custom; PS1_CONTEST_LAYOUT=day-time-user|user-time|time-user|day-time; PS1_HOLIDAY=christmas|easter|halloween|valentine|thanksgiving|newyear; PS1_GIT=0|1",
       "config_file_keys": [
         "PS1_STYLE",
         "PS1_STYLE_PACK",

README.md

@@ -181,6 +181,8 @@ Seven extra styles, built to be loud and expressive:
 - AcidLime: black + electric green
 
 Custom styles add a small context badge when relevant (`ssh`, `ctr`, `git`).
+
+Demo mode (screenshots): choose "Demo" to auto-cycle through all themes on each prompt.
 </details>
 
 ---

contest-styles.json

@@ -288,6 +288,20 @@
         },
         "preview": "[date time user] @host - /path"
     },
+    {
+      "id": "demo",
+      "name": "Demo",
+      "tagline": "Auto-rotate all themes",
+      "description": "Cycles through all themes each prompt for rapid screenshots.",
+      "layout": {
+        "line1": "auto",
+        "line2": "auto"
+      },
+      "colors": {
+        "note": "Uses each theme's native palette"
+      },
+      "preview": "(auto-rotate)"
+    },
     {
       "id": "radar",
       "name": "Radar",

dotfiles/install/install-linux-global.sh

@@ -187,6 +187,8 @@ if [[ -t 0 ]]; then
       echo "     Preview: [date time user] @host - /path"
       echo "  8) HawolexV2 - Winter neon gradient"
       echo "     Preview: [date time user] @host - /path"
+      echo "  9) Demo     - Cycles all themes every prompt"
+      echo "     Preview: (auto-rotate)"
       read -r -p "Choose style [1]: " style_pick
       case "${style_pick}" in
         2) style_choice="neon" ;;
@@ -196,6 +198,7 @@ if [[ -t 0 ]]; then
         6) style_choice="git" ;;
         7) style_choice="hawolex" ;;
         8) style_choice="hawolexv2" ;;
+        9) style_choice="demo" ;;
         ""|1) style_choice="aurora" ;;
         *) echo "Invalid choice, using aurora."; style_choice="aurora" ;;
       esac

dotfiles/install/install-macos-user.sh

@@ -163,6 +163,8 @@ if [[ -t 0 ]]; then
     echo "     Preview: [date time user] @host - /path"
     echo "  8) HawolexV2 - Winter neon gradient"
     echo "     Preview: [date time user] @host - /path"
+    echo "  9) Demo     - Cycles all themes every prompt"
+    echo "     Preview: (auto-rotate)"
     read -r -p "Choose style [1]: " style_pick
     case "${style_pick}" in
       2) style_choice="neon" ;;
@@ -172,6 +174,7 @@ if [[ -t 0 ]]; then
       6) style_choice="git" ;;
       7) style_choice="hawolex" ;;
       8) style_choice="hawolexv2" ;;
+      9) style_choice="demo" ;;
       ""|1) style_choice="aurora" ;;
       *) echo "Invalid choice, using aurora."; style_choice="aurora" ;;
     esac

dotfiles/ps1/ps1.sh

@@ -90,7 +90,7 @@ _ps1_season() {
 }
 
 # Style selection (aurora/neon/forge/circuit/mono/git/hawolex + custom pack)
-#   PS1_STYLE=aurora|neon|forge|circuit|mono|git|hawolex|hawolexv2|radar|synthwave|noir|topo|glitch|arcticfire|acidlime
+#   PS1_STYLE=aurora|neon|forge|circuit|mono|git|hawolex|hawolexv2|radar|synthwave|noir|topo|glitch|arcticfire|acidlime|demo
 #   PS1_STYLE_PACK=standard|contest|holiday|custom
 #   PS1_CONTEST_LAYOUT=day-time-user|user-time|time-user|day-time
 #   PS1_HOLIDAY=christmas|easter|halloween|valentine|thanksgiving|newyear
@@ -211,6 +211,33 @@ _ps1_path_topo() {
   printf "%s" "$out"
 }
 
+_ps1_demo_next() {
+  local styles=(
+    "aurora" "neon" "forge" "circuit" "mono" "git" "hawolex" "hawolexv2"
+    "aurora" "aurora" "aurora" "aurora" "aurora" "aurora"
+    "radar" "synthwave" "noir" "topo" "glitch" "arcticfire" "acidlime"
+  )
+  local packs=(
+    "standard" "contest" "contest" "contest" "contest" "contest" "contest" "contest"
+    "holiday" "holiday" "holiday" "holiday" "holiday" "holiday"
+    "custom" "custom" "custom" "custom" "custom" "custom" "custom"
+  )
+  local holidays=(
+    "" "" "" "" "" "" "" ""
+    "christmas" "easter" "halloween" "valentine" "thanksgiving" "newyear"
+    "" "" "" "" "" "" ""
+  )
+  local count=${#styles[@]}
+  if [[ -z "${__PS1_DEMO_INDEX+x}" ]]; then
+    __PS1_DEMO_INDEX=0
+  else
+    __PS1_DEMO_INDEX=$(( (__PS1_DEMO_INDEX + 1) % count ))
+  fi
+  __PS1_DEMO_STYLE="${styles[$__PS1_DEMO_INDEX]}"
+  __PS1_DEMO_PACK="${packs[$__PS1_DEMO_INDEX]}"
+  __PS1_DEMO_HOLIDAY="${holidays[$__PS1_DEMO_INDEX]}"
+}
+
 # ---- Load Git prompt helper (best effort) ----
 __try_source_git_prompt() {
   local candidates=(
@@ -946,6 +973,14 @@ _ps1_update() {
   __PS1_HOLIDAY="$(_ps1_holiday)"
   __PS1_STYLE="$(_ps1_style)"
   __PS1_GIT="${PS1_GIT:-0}"
+  if [[ "$__PS1_STYLE" == "demo" ]]; then
+    _ps1_demo_next
+    __PS1_STYLE="$__PS1_DEMO_STYLE"
+    __PS1_STYLE_PACK="$__PS1_DEMO_PACK"
+    if [[ "$__PS1_STYLE_PACK" == "holiday" && -n "$__PS1_DEMO_HOLIDAY" ]]; then
+      __PS1_HOLIDAY="$__PS1_DEMO_HOLIDAY"
+    fi
+  fi
   __PS1_SYM="$(_ps1_symbol)"
   __PS1_PATH="$(_ps1_path)"
   if _ps1_has_nf; then __PS1_USE_NF=1; else __PS1_USE_NF=0; fi

libary.md

@@ -108,6 +108,11 @@ PATH_FG=230
 FRAME=24
 ```
 
+Demo:
+```
+Cycles all themes on each prompt (screenshots mode).
+```
+
 ## Holidays Pack (style_pack=holiday)
 
 Design intent: themed color + emoji without sacrificing readability.