Trace the eye reading to FR-CULL-8a and the chip to FR-CULL-13

The register grew both clauses the same day this was built: FR-CULL-8a is
the per-face state the reading is, and FR-CULL-13 is the rule that a
signal is shown and filtered and never writes a judgement. The tags,
faces.md §17 and catalog.md now say which is which; FR-CULL-8a records
what of it is built, and that its third model is under the InsightFace
grant by the same decision as the pair.

core/dr-face/src/lib.rs

@@ -4,7 +4,7 @@
 //! landmarks, a confidence and a 512-d embedding (FR-CULL-8) — and then the
 //! arithmetic that turns embeddings into people (FR-CULL-9, FR-CULL-10). Two
 //! more, optional, read each face's eyes and whether sunglasses hide them
-//! (FR-CULL-13, [`classify`] and [`eyes`]).
+//! (FR-CULL-8a, [`classify`] and [`eyes`]).
 //!
 //! Like `dr-segment`, this crate is **device-free**: no GPU adapter, no
 //! Slint, nothing that needs a display. Unlike `dr-segment`, it carries **no