Before: gt crew at only looked for tmux sessions with the specific naming
convention gt-<rig>-crew-<name>. If the user started Claude manually or
via a different mechanism, it would create a duplicate session.
After: Before creating a new session, check if any existing tmux session
has Claude running in the crews directory. If found, attach to that
session instead of creating a new one.
Changes:
- Add FindSessionByWorkDir() to internal/tmux/tmux.go to search sessions
by working directory, optionally filtering for Claude (node) running
- Update runCrewAt() to check for existing sessions before creating new
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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