The beat reported which function crossed a boundary, never which decorator
put the beat there. So the graph accumulated boundary events with no
attribution, and no construct could be measured — "is this decorator
earning its keep" stayed an argument instead of a traversal.
engram_boundary_beat now takes the construct and carries it on the bus as
{"construct":"..."}. The injection point, the beat, and the accumulation
already existed; only the attribution was missing.
Also pins a known defect as a test: codegen calls fn_has_decorator for
exactly three names (manager, accessor, route). Twelve others parse, attach,
and compile to nothing — including @authenticate (6 uses), @authorize (3),
@rate_limit (3) and @validate (2), which look like protection and are not.
decorator-authenticate-compiles-to-nothing asserts that @authenticate emits
byte-identical C to no decorator at all, so fixing it will be a visible flip.
Verified: compiler self-hosts byte-identically, 86/86 native compiler tests
pass, emitted C carries the construct for both @manager and @accessor.
bigmerge
dcaa77d77b