The SetupRedirect function was failing for rigs that use the tracked
beads architecture where the canonical beads location is mayor/rig/.beads
and there is no rig-level .beads directory.
This fix now checks for both locations:
1. rig/.beads (with optional redirect to mayor/rig/.beads)
2. mayor/rig/.beads directly (if no rig/.beads exists)
This ensures crew and polecat workspaces get the correct redirect file
pointing to the shared beads database in all configurations.
Closes: gt-jy77g
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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