Finish KG-WP-0003: stream completeness and live qonto observation

Classify evidence as load-bearing or attributive, draft the emission-cadence
declaration for Taxonomy, treat silence as a stream finding, keep completeness
separate from record richness, forbid immune memory as a state plane, and make
containment proposals reconstructable to their origin. Observe real
qonto-assistant audit events; deny-class completeness stays unknown until the
source publishes a heartbeat.

Assistant: grok
Assistant-Session: 01a05ef1-9e5a-70f2-b0ff-0b05d6b38ae9

SCOPE.md

@@ -96,13 +96,16 @@ does it decide and act?** The first is in scope. The second is another layer's.
 - The implementation currently evaluates normalized observations and emits
   posture/signal results for one bounded pilot lane; it is not an enforcement
   service and will not become one.
+- Evidence class, stream-completeness evaluation, origin-linked proposals, and
+  the emission-cadence Taxonomy draft landed in `KG-WP-0003`.
 - `layer.yaml`, `scripts/check_layer_conformance.py` and
-  `tests/test_layer_conformance.py` make the no-Tooling-client claim executable;
-  the companion cites them estate-wide as the reference for a repository with no
-  Tooling contacts at all.
-- **Every input is still a fixture.** No real emitted event has reached the
-  evaluator, so statute §12's fourth step remains unstaffed. Closing that is
-  `KG-WP-0003`.
+  `tests/test_layer_conformance.py` make the no-Tooling-client claim and the
+  no-standing-credential claim executable; the companion cites them estate-wide
+  as the reference for a repository with no Tooling contacts at all.
+- Live observation of `qonto-assistant` uses the source's own AuditLogger emit
+  path. The hand-built fixture is retained as a regression case. Stream
+  completeness for the load-bearing deny class stays unknown until the source
+  publishes a cadence declaration and heartbeats.
 
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