Slice 8, closing the #319 retirement's prose and bench debt. Bench argv
rides exec (fixed_cost single-run probe, campaign surfaces, and the seed
helper that still called the retired sweep at runtime — caught by the
bench run itself); all five fingerprints unchanged against the committed
baselines, confirming record-line parity through the retirement. Live
docs (README, authoring guide, project layout, glossary) describe only
exec + campaign documents + graph introspect --params; three glossary
entries explicitly mark their verb retired. Ledger amendments per the C29
discipline — C25's executor-verb-set re-settled (exec + the --override
residue), C14's dual grammar reduced to the one dispatch, C24's
document-built runs/families + gated-intake route list (lockstep with the
code comment), C12's override clause and identity anchor repointed to the
runner-layer hash computation, C18/C22/C27/C01 mention rewrites —
superseded sentences moved verbatim to the history sidecars (c25's
created). Stale dual-grammar doc comment on is_blueprint_file rewritten.
refs #319
claude
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