fix(step-4): add slash command listing to print_summary

Users finishing Step 4 had no idea what skills they'd just installed.
Print the full /fswarm, /fhive, /fmini, /w4w command list in the
completion summary so they can use them immediately.

Author: fidgetcoding

step-4/step-4-install.sh

@@ -1283,6 +1283,20 @@ print_summary() {
     echo ""
     echo "  fidgetflo is now installed and connected to Claude Code."
     echo ""
+    echo "  Slash commands installed:"
+    echo "    /fswarm    — 15-agent full swarm (immediate execution)"
+    echo "    /fswarm1   — full swarm with light extended thinking"
+    echo "    /fswarm2   — full swarm with deep extended thinking"
+    echo "    /fswarm3   — full swarm with harder extended thinking"
+    echo "    /fswarmmax — full swarm at ultrathink (MAX budget)"
+    echo "    /fhive     — queen-led autonomous hive-mind"
+    echo "    /fmini     — compact 5-agent swarm"
+    echo "    /fmini1    — mini swarm with light extended thinking"
+    echo "    /fmini2    — mini swarm with deep extended thinking"
+    echo "    /fmini3    — mini swarm with harder extended thinking"
+    echo "    /fminimax  — mini swarm at ultrathink (MAX budget)"
+    echo "    /w4w       — word for word, line for line attention mode"
+    echo ""
     echo "  What you can do now:"
     echo "    - Claude can spawn multiple agents to work in parallel"
     echo "    - Memory persists across sessions automatically"