Build out all 27 modules + capstone (#1)

Co-authored-by: claude <claude@jpaul.io>
Co-committed-by: claude <claude@jpaul.io>

modules/26-orchestrating-multiple-agents/lab/cleanup.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Module 26 lab — tear down the fleet after the work has merged.
+#
+# Removes each worktree and prunes stale records. Refuses to remove a worktree with uncommitted
+# work (Git's safety) — commit or merge first. Run from inside your tasks-app repo.
+
+set -euo pipefail
+
+FLEET=(
+  "../tasks-app-42-count"
+  "../tasks-app-43-docs"
+  "../tasks-app-44-clear"
+)
+
+git rev-parse --git-dir >/dev/null 2>&1 || { echo "not a git repo" >&2; exit 1; }
+
+for path in "${FLEET[@]}"; do
+  if [ -d "$path" ]; then
+    echo "remove: $path"
+    git worktree remove "$path"   # fails if dirty — that's intentional; commit first
+  fi
+done
+
+git worktree prune
+echo
+echo "Fleet torn down. Remaining worktrees:"
+git worktree list