feat: add agent skills tab and local dev helpers

scripts/kill-dev.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+#
+# Kill all local Paperclip dev server processes (across all worktrees).
+#
+# Usage:
+#   scripts/kill-dev.sh        # kill all paperclip dev processes
+#   scripts/kill-dev.sh --dry  # preview what would be killed
+#
+
+set -euo pipefail
+
+DRY_RUN=false
+if [[ "${1:-}" == "--dry" || "${1:-}" == "--dry-run" || "${1:-}" == "-n" ]]; then
+  DRY_RUN=true
+fi
+
+# Collect PIDs of node processes running from any paperclip directory.
+# Matches paths like /Users/*/paperclip/... or /Users/*/paperclip-*/...
+# Excludes postgres-related processes.
+pids=()
+lines=()
+
+while IFS= read -r line; do
+  [[ -z "$line" ]] && continue
+  # skip postgres processes
+  [[ "$line" == *postgres* ]] && continue
+  pid=$(echo "$line" | awk '{print $2}')
+  pids+=("$pid")
+  lines+=("$line")
+done < <(ps aux | grep -E '/paperclip(-[^/]+)?/' | grep node | grep -v grep || true)
+
+if [[ ${#pids[@]} -eq 0 ]]; then
+  echo "No Paperclip dev processes found."
+  exit 0
+fi
+
+echo "Found ${#pids[@]} Paperclip dev process(es):"
+echo ""
+
+for i in "${!pids[@]}"; do
+  line="${lines[$i]}"
+  pid=$(echo "$line" | awk '{print $2}')
+  start=$(echo "$line" | awk '{print $9}')
+  cmd=$(echo "$line" | awk '{for(i=11;i<=NF;i++) printf "%s ", $i; print ""}')
+  # Shorten the command for readability
+  cmd=$(echo "$cmd" | sed "s|$HOME/||g")
+  printf "  PID %-7s  started %-10s  %s\n" "$pid" "$start" "$cmd"
+done
+
+echo ""
+
+if [[ "$DRY_RUN" == true ]]; then
+  echo "Dry run — re-run without --dry to kill these processes."
+  exit 0
+fi
+
+echo "Sending SIGTERM..."
+for pid in "${pids[@]}"; do
+  kill "$pid" 2>/dev/null && echo "  killed $pid" || echo "  $pid already gone"
+done
+
+# Give processes a moment to exit, then SIGKILL any stragglers
+sleep 2
+for pid in "${pids[@]}"; do
+  if kill -0 "$pid" 2>/dev/null; then
+    echo "  $pid still alive, sending SIGKILL..."
+    kill -9 "$pid" 2>/dev/null || true
+  fi
+done
+
+echo "Done."