Each of A-7a, B-7a and D-4a had the concepts, procedure, commands and
terminal evidence but no diagram, which the rest of the series carries.
a7a-cache-temperature.svg the three cache states and the SQL each issues
b7a-orphan-lifecycle.svg ticket structure, accumulation across two
rotations, and why TTL is the only signal
d4a-hook-timeline.svg the 38m25s gap against the 1-2s one, on one axis
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
