set up worktree for implementation: 2a. read ~/scripts/create_worktree.sh and create a new worktree with the action for the implementation (feature, bug, hotfix) branch name: ~/scripts/create_worktree.sh action/<short-desc> BRANCH_NAME
determine required data:

branch name path to plan file (use relative path only) launch prompt command to run

IMPORTANT PATH USAGE:

The thoughts/ directory is synced between the main repo and worktrees
Always use ONLY the relative path starting with thoughts/shared/... without any directory prefix
Example: thoughts/shared/plans/fix-mcp-keepalive-proper.md (not the full absolute path)
This works because thoughts are synced and accessible from the worktree

3a. confirm with the user by sending a message to the Human

worktree