feat: remove old installer, update docs to npx claude-mem

Removes installer/ directory (16 files) — fully replaced by src/npx-cli/.
Updates install.sh and installer.js to redirect to npx claude-mem.
Adds npx claude-mem as primary install method in docs and README.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

install/public/install.sh

@@ -1,59 +1,25 @@
 #!/bin/bash
 set -euo pipefail
 
-# claude-mem installer bootstrap
-# Usage: curl -fsSL https://install.cmem.ai | bash
-#   or:  curl -fsSL https://install.cmem.ai | bash -s -- --provider=gemini --api-key=YOUR_KEY
-
-INSTALLER_URL="https://install.cmem.ai/installer.js"
+# claude-mem installer redirect
+# The old curl-pipe-bash installer has been replaced by npx claude-mem.
+# This script now redirects users to the new install method.
 
 # Colors
 RED='\033[0;31m'
 GREEN='\033[0;32m'
 CYAN='\033[0;36m'
+YELLOW='\033[0;33m'
 NC='\033[0m' # No Color
 
-error() { echo -e "${RED}Error: $1${NC}" >&2; exit 1; }
-info() { echo -e "${CYAN}$1${NC}"; }
-
-# Check Node.js
-if ! command -v node &> /dev/null; then
-  error "Node.js is required but not found. Install from https://nodejs.org"
-fi
-
-NODE_VERSION=$(node -v | sed 's/v//')
-NODE_MAJOR=$(echo "$NODE_VERSION" | cut -d. -f1)
-if [ "$NODE_MAJOR" -lt 18 ]; then
-  error "Node.js >= 18 required. Current: v${NODE_VERSION}"
-fi
-
-info "claude-mem installer (Node.js v${NODE_VERSION})"
-
-# Create temp file for installer
-TMPFILE=$(mktemp "${TMPDIR:-/tmp}/claude-mem-installer.XXXXXX.mjs")
-
-# Cleanup on exit
-cleanup() {
-  rm -f "$TMPFILE"
-}
-trap cleanup EXIT INT TERM
-
-# Download installer
-info "Downloading installer..."
-if command -v curl &> /dev/null; then
-  curl -fsSL "$INSTALLER_URL" -o "$TMPFILE"
-elif command -v wget &> /dev/null; then
-  wget -q "$INSTALLER_URL" -O "$TMPFILE"
-else
-  error "curl or wget required to download installer"
-fi
-
-# Run installer with TTY access
-# When piped (curl | bash), stdin is the script. We need to reconnect to the terminal.
-if [ -t 0 ]; then
-  # Already have TTY (script was downloaded and run directly)
-  node "$TMPFILE" "$@"
-else
-  # Piped execution -- reconnect stdin to terminal
-  node "$TMPFILE" "$@" </dev/tty
-fi
+echo ""
+echo -e "${YELLOW}The curl-pipe-bash installer has been replaced.${NC}"
+echo ""
+echo -e "${GREEN}Install claude-mem with a single command:${NC}"
+echo ""
+echo -e "  ${CYAN}npx claude-mem install${NC}"
+echo ""
+echo -e "This requires Node.js >= 18. Get it from ${CYAN}https://nodejs.org${NC}"
+echo ""
+echo -e "For more info, visit: ${CYAN}https://docs.claude-mem.ai/installation${NC}"
+echo ""