docs(perception): require visual LAB evidence

docs/15_LABORATORY_RUN_CANON.md

@@ -140,6 +140,13 @@ Each LAB result must make these sections available to the operator:
 5. **Conclusion** — what was proved, what was not proved, limitations and the
    next gate.
 
+If an algorithmic result has a spatial, image-plane, temporal, geometric or
+otherwise directly visualizable interpretation, metrics alone are not a
+complete LAB record. The published run must include bounded visual evidence
+derived from the same immutable input and result identities. That evidence
+must expose the operator question and the relevant truth/prediction/error
+layers without recomputing, retuning or substituting the measured result.
+
 The result must explicitly state:
 
 - ground-truth availability and its identity;