example: Add IPC remote control example.

examples/demo.sh

@@ -379,6 +379,35 @@ Gentoo,rolling,openrc
 CSV
 }
 
+# ── Phase 6 demos ────────────────────────────────────────
+
+ipc_demo() {
+    echo "IPC demo: pikl runs here with --ipc enabled." >&2
+    echo "Open a second terminal and run:" >&2
+    echo "  ./examples/ipc-remote.sh demo" >&2
+    echo "" >&2
+    echo "Use the remote to navigate, filter, add items, and query state." >&2
+    echo "Press Enter or q in the remote to exit." >&2
+    echo "" >&2
+    cat <<'ITEMS' | pikl --ipc --session demo --multi
+{"label": "Arch Linux", "category": "rolling", "init": "systemd"}
+{"label": "NixOS", "category": "rolling", "init": "systemd"}
+{"label": "Void Linux", "category": "rolling", "init": "runit"}
+{"label": "Debian", "category": "stable", "init": "systemd"}
+{"label": "Alpine", "category": "stable", "init": "openrc"}
+{"label": "Fedora", "category": "semi-rolling", "init": "systemd"}
+{"label": "Gentoo", "category": "rolling", "init": "openrc"}
+ITEMS
+}
+
+session_demo() {
+    echo "Session filter history: select with a filter, exit, relaunch." >&2
+    echo "Press Ctrl+P to recall your previous filter." >&2
+    echo "" >&2
+    printf "apple\nbanana\ncherry\ndate\nelderberry\nfig\ngrape\nhoneydew\n" \
+        | pikl --session fruit
+}
+
 # ── Scenario menu ─────────────────────────────────────────
 
 scenarios=(
@@ -411,6 +440,9 @@ scenarios=(
     "CSV + multi-select"
     "CSV + field filter"
     "---"
+    "IPC remote control"
+    "Session filter history"
+    "---"
     "on-select-exec hook (legacy)"
 )
 
@@ -441,6 +473,8 @@ run_scenario() {
         *"CSV with --columns"*)     csv_columns_alias ;;
         *"CSV + multi"*)            csv_multi_select ;;
         *"CSV + field"*)            csv_filter ;;
+        *"IPC remote"*)             ipc_demo ;;
+        *"Session filter"*)         session_demo ;;
         *"on-select-exec"*)         on_select_hook ;;
         "---")
             echo "that's a separator, not a scenario" >&2