F1: thought-cage, thought_cage and thought.cage are three legal Slug names,
not one, so a comparison that folds `_` or `.` into `-` at
Mind::require_instance answers one mind for another. Add the fixture pair
and a mind opened under a separator-bearing name to
require_instance_is_the_one_check_admission_and_the_daemon_share, and two
mutation entries, D1L6 and D1L7, that fold each separator into `-`; both die
against the new assertions.
F4: fixtures.rs described Label's grammar on the CASED_INSTANCE comment as
though it were Slug's. Corrected to say what Slug actually is at the pinned
Epiphany revision: dot-joined labels, bounded to 64 bytes whole.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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