docs: beautify install script with colours and ASCII art logo

- Box-drawing R> logo in catppuccin mocha green/blue
- Colour support: truecolour → 256 → basic ANSI → NO_COLOR
- Formatted step progress [1/3], ✓ success, ✗ error, > info
- Structured output with visual hierarchy

Author: connorads

install.sh

@@ -5,61 +5,128 @@ set -euo pipefail
 # The $() substitution downloads the script first, so stdin stays as the terminal.
 # This is the same pattern Homebrew uses — TUI apps like claude need real terminal stdin.
 
+# ── Colours ───────────────────────────────────────────────────────────────────
+
+setup_colours() {
+  if [[ -n "${NO_COLOR:-}" ]] || [[ ! -t 1 ]]; then
+    GREEN="" BLUE="" RED="" YELLOW="" DIM="" BOLD="" RESET=""
+  elif [[ "${COLORTERM:-}" == "truecolor" ]] || [[ "${COLORTERM:-}" == "24bit" ]]; then
+    GREEN=$'\033[38;2;166;227;161m'
+    BLUE=$'\033[38;2;137;180;250m'
+    RED=$'\033[38;2;243;139;168m'
+    YELLOW=$'\033[38;2;249;226;175m'
+    DIM=$'\033[38;2;108;112;134m'
+    BOLD=$'\033[1m'
+    RESET=$'\033[0m'
+  elif command -v tput >/dev/null 2>&1 && [[ "$(tput colors 2>/dev/null || echo 0)" -ge 256 ]]; then
+    GREEN=$'\033[38;5;151m'
+    BLUE=$'\033[38;5;111m'
+    RED=$'\033[38;5;211m'
+    YELLOW=$'\033[38;5;223m'
+    DIM=$'\033[38;5;243m'
+    BOLD=$'\033[1m'
+    RESET=$'\033[0m'
+  else
+    GREEN=$'\033[32m'
+    BLUE=$'\033[34m'
+    RED=$'\033[31m'
+    YELLOW=$'\033[33m'
+    DIM=$'\033[2m'
+    BOLD=$'\033[1m'
+    RESET=$'\033[0m'
+  fi
+}
+
+# ── Formatting ────────────────────────────────────────────────────────────────
+
+info()    { printf "  %s>%s %s\n" "$BLUE" "$RESET" "$1"; }
+success() { printf "  %s✓%s %s\n" "$GREEN" "$RESET" "$1"; }
+error()   { printf "  %s✗%s %s\n" "$RED" "$RESET" "$1" >&2; }
+step()    { printf "\n  %s[%s/%s]%s %s\n" "$BOLD" "$1" "$2" "$RESET" "$3"; }
+
+# ── Logo ──────────────────────────────────────────────────────────────────────
+
+print_logo() {
+  local g="$GREEN" b="$BLUE" r="$RESET"
+  printf "    %s██████╗ %s    %s██╗%s\n"  "$g" "$r" "$b" "$r"
+  printf "    %s██╔══██╗%s    %s╚██╗%s\n" "$g" "$r" "$b" "$r"
+  printf "    %s██████╔╝%s     %s╚██╗%s\n" "$g" "$r" "$b" "$r"
+  printf "    %s██╔══██╗%s     %s██╔╝%s\n" "$g" "$r" "$b" "$r"
+  printf "    %s██║  ██║%s    %s██╔╝%s\n"  "$g" "$r" "$b" "$r"
+  printf "    %s╚═╝  ╚═╝%s    %s╚═╝%s\n"  "$g" "$r" "$b" "$r"
+}
+
+# ── Main ──────────────────────────────────────────────────────────────────────
+
+setup_colours
+
+echo ""
+print_logo
 echo ""
-echo "  remobi — your terminal, everywhere"
-echo "  https://github.com/connorads/remobi"
+printf "    %sremobi%s %s— your terminal, everywhere%s\n" "$BOLD" "$RESET" "$DIM" "$RESET"
+printf "    %shttps://github.com/connorads/remobi%s\n" "$DIM" "$RESET"
 echo ""
-echo "  This script will:"
-echo "    1. Install the remobi setup skill (via npx skills)"
-echo "    2. Ask which coding agent you use"
-echo "    3. Start an interactive agent session that walks you through setup"
+echo "    This script will:"
+echo "      1. Install the remobi setup skill"
+echo "      2. Ask which coding agent you use"
+echo "      3. Start an interactive setup session"
 echo ""
-read -r -p "Press Enter to continue..."
+read -r -p "    Press Enter to continue..."
 
-# ── Install the remobi-setup skill ──────────────────────────────────────────
+# ── Step 1: Install the remobi setup skill ────────────────────────────────────
 
-echo ""
-echo "Installing the remobi setup skill..."
+step 1 3 "Installing the remobi setup skill"
 echo ""
 npx skills add connorads/remobi
 echo ""
+success "Skill installed"
 
-# ── Pick a coding agent ─────────────────────────────────────────────────────
+# ── Step 2: Pick a coding agent ───────────────────────────────────────────────
 
-echo "Which coding agent do you use?"
-echo "  1) Claude Code"
-echo "  2) Codex"
-printf "Choose [1-2]: "
+step 2 3 "Choosing a coding agent"
+echo ""
+echo "    Which coding agent do you use?"
+echo ""
+printf "      %s1)%s Claude Code\n" "$BOLD" "$RESET"
+printf "      %s2)%s Codex\n" "$BOLD" "$RESET"
+echo ""
+printf "    Choose %s[1-2]%s: " "$YELLOW" "$RESET"
 read -r choice
 
 case "$choice" in
-  1) agent="claude" ;;
-  2) agent="codex" ;;
+  1) agent="claude"; agent_name="Claude Code" ;;
+  2) agent="codex";  agent_name="Codex" ;;
   *)
-    echo "Invalid choice. Exiting."
+    echo ""
+    error "Invalid choice — please enter 1 or 2"
     exit 1
     ;;
 esac
 
-# ── Check the agent is installed ────────────────────────────────────────────
+echo ""
+success "Selected $agent_name"
+
+# ── Step 3: Launch setup session ──────────────────────────────────────────────
+
+step 3 3 "Launching setup session"
 
 if ! command -v "$agent" > /dev/null 2>&1; then
   echo ""
-  echo "Error: '$agent' is not installed."
+  error "'$agent' is not installed"
+  echo ""
+  info "Install it first:"
   echo ""
   case "$agent" in
-    claude) echo "  curl -fsSL https://claude.ai/install.sh | bash" ;;
-    codex)  echo "  npm install -g @openai/codex" ;;
+    claude) echo "      curl -fsSL https://claude.ai/install.sh | bash" ;;
+    codex)  echo "      npm install -g @openai/codex" ;;
   esac
   echo ""
-  echo "Install it, then re-run this script."
+  info "Then re-run this script."
   exit 1
 fi
 
-# ── Launch interactive setup session ────────────────────────────────────────
-
 echo ""
-echo "Starting $agent with the remobi-setup skill..."
+info "Starting $agent with the remobi-setup skill..."
 echo ""
 
 # exec replaces this shell with the agent process, giving it full terminal control