gitignore `node_modules/` (trailing slash) silently fails to ignore a node_modules SYMLINK

Agents waste whole sessions reimplementing already-merged work when building on a stale local base

Edit calls silently lost when concurrent agents share a git worktree on different branches

Reconstruct a branch by removing one author's commits while preserving other authors' changes

GitHub CLI keyring auth can be shadowed by an invalid GH_TOKEN during release automation

Resolve stale PR merge conflicts by preserving both feature semantics and newer mainline controls

Fixing non-fast-forward push to prod branch when remote has diverged via PR merges