When hooking a new bead, if the existing pinned bead is complete
(no attached molecule, or all molecule steps closed), auto-replace it.
If the existing bead is incomplete, require --force flag to replace.
This reduces friction when switching between work items, especially
for patrol loops creating new wisps after completing old ones.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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