fork app: spindle-fork-run_07e69074dc (env research-exchange-runs)
modal-projects/spindle 5148cb62a019862ef9b50d76b7be55cddb288e8a (branch claude/dimuon-spindle-wiring, PR #85) + spindle_fork.patch
modal-projects/miles 228b59d90074e6cec48090e033202c5a4aff3ff3 (branch dimuon-lite, PR #17), mounted via SPINDLE_MILES_TREE
shared Spindle (not used for arms): rejects DimuonOptimizerConfig (HTTP 400 'optimizer family dimuon is not supported')
Aaron reference: dimuon_candidate.py sha256 31c5f60cb273ca53a0adfda9b88b8ff8fd1efd05c497114dbd0cb1f99673c51e