Read canonical and historical config spellings from scripts/benchmark-config-spellings-v1.json so mixed candidate runs translate only renamed key/value pairs.
Run the once-per-binary probe under a temporary CBM_CACHE_DIR while holding CONFIG_SPELLING_MODES_LOCK. This prevents rank_refresh detection from mutating candidate-default experiment state or racing across workers.
Mark cache state unknown when imported reports did not record it, display-canonicalize retained fact labels without rewriting inputs, and reject conflicting old/new values after canonicalization.
Verification: 176 passed and 34 subtests; ruff format --check and ruff check passed; jq parsed the spelling map; git diff --check passed.
Signed-off-by: Andrew Hundt <ATHundt@gmail.com>
Andrew Hundt
b2fa24a29d