final version seems

lib/detect-plugins.sh

@@ -24,20 +24,6 @@ detect_superpowers() {
   return 1
 }
 
-detect_security_guidance() {
-  local cache_dir="$HOME/.claude/plugins/cache"
-  [ -d "$cache_dir" ] && ls "$cache_dir" 2>/dev/null | grep -qi "security-guidance"
-}
-
-detect_skill_creator() {
-  local cache_dir="$HOME/.claude/plugins/cache"
-  [ -d "$cache_dir" ] && ls "$cache_dir" 2>/dev/null | grep -qi "skill-creator"
-}
-
-detect_pr_review_toolkit() {
-  local cache_dir="$HOME/.claude/plugins/cache"
-  [ -d "$cache_dir" ] && ls "$cache_dir" 2>/dev/null | grep -qi "pr-review-toolkit"
-}
 
 # --- Toggle plugins ---
 
@@ -46,7 +32,9 @@ detect_gstack() {
 }
 
 detect_gsd() {
-  ls "$HOME/.claude/skills/" 2>/dev/null | grep -qi "gsd"
+  # GSD v2 (gsd-pi) is a standalone CLI, not a Claude Code plugin.
+  # Detection: check for 'gsd' binary in PATH.
+  command -v gsd &>/dev/null
 }
 
 detect_frontend_design() {
@@ -60,5 +48,27 @@ detect_uiux_pro_max() {
 }
 
 detect_context7() {
-  claude mcp list 2>/dev/null | grep -q "context7"
+  # Fast check: read ~/.claude.json (MCP config) without spawning the claude CLI
+  local cfg="$HOME/.claude.json"
+  if [ -f "$cfg" ]; then
+    grep -q "context7" "$cfg" 2>/dev/null && return 0
+  fi
+  # Fallback: ~/.mcp.json (project-scoped MCP config at user level)
+  local mcp="$HOME/.mcp.json"
+  if [ -f "$mcp" ]; then
+    grep -q "context7" "$mcp" 2>/dev/null && return 0
+  fi
+  return 1
+}
+
+detect_ruflo() {
+  # 1. Fast: check npm global binary
+  command -v ruflo &>/dev/null && return 0
+  # 2. Fast: check MCP config files (ruflo or ruvnet/claude-flow variants)
+  for _cfg in "$HOME/.claude.json" "$HOME/.mcp.json"; do
+    [ -f "$_cfg" ] && grep -qi "ruflo\|ruvnet\|claude-flow" "$_cfg" 2>/dev/null && return 0
+  done
+  # 3. Slow fallback: claude mcp list (only if fast checks fail, spawns subprocess)
+  command -v claude &>/dev/null && claude mcp list 2>/dev/null | grep -qi "ruflo" && return 0
+  return 1
 }