feat(perception): qualify E31 source binding

docs/16_ARCHITECTURE_AUDIT_EXECUTION_ROADMAP.md

@@ -123,23 +123,44 @@ real authority.
   confidence `0.8730`. Frames 1213, 162 and 1823 are now explicit automatic
   engineering outcomes; only geometry frames 2622 and 4147 remain in the
   human queue.
-- [ ] Resolve only the resulting ambiguous/high-impact human-exception queue
-  and freeze the minimum correction set and cause distribution.
+- [x] Resolve the resulting ambiguous/high-impact human-exception queue and
+  freeze the minimum correction set and cause distribution. The immutable
+  human generation is
+  `e30-review-generation-7982a882558d0be690b4c7092e328c080bfcbf52478a220452be7e887a588250`;
+  coverage is 2/2. Frame 2622 is `background-or-noise` and frame 4147 is
+  `object-present`.
+- [x] Implement the E31 fail-closed source qualification contract over the
+  immutable E10→E30 chain. It accounts for all 4,489 source frames, audits
+  recorded host-arrival timing, sweeps nine offset hypotheses, verifies the
+  exact factory calibration identity and produces a source-scoped self-mask
+  profile without inferring firing time, sensor height or physical body
+  dimensions.
+- [x] Accept the immutable diagnostic profile
+  `e31-source-qualification-b2460a5eb143688c7eea6821b2277e13aea79868abe81d83f7e78548c119159a`
+  for E32 binding. Zero offset retains support for 87/87 evidenced
+  correspondences. The semantic self-mask is admitted from eight source cases
+  with zero bbox-centre collateral; the generic geometry point mask is
+  rejected because it would erase accepted object evidence. Navigation,
+  safety and command authority remain false.
 
-The current A3 AI-assisted engineering generation covers all 486 items and
+The frozen A3 engineering and human generations cover all 486 items and
 retains the exact A2 materialization/review-pack and 42-sheet evidence
 identities. It explicitly claims neither human ground truth nor navigation or
 safety acceptance and retains `lab_published=false`. The dominant conflict
 cause is detector placement on striped road/construction barriers rather than
 camera↔LiDAR registration; the `unknown` stratum is dominated by held
 world-track time freshness; geometry-only contains both expected static scene
-geometry and 21 visible missed class-bearing objects.
+geometry and 21 visible missed class-bearing objects. Earlier generations and
+drafts remain historical and are not rewritten or presented as the current
+product workflow.
 
-A3 is not complete until the two routed human exceptions are resolved and the
-minimum correction set is frozen. Earlier generations and drafts remain
-historical and are not rewritten or presented as the current product workflow.
-A4 remains blocked. No perception threshold changes are allowed before the
-exception decision is frozen.
+A3 and A4 are complete. E31 accepts only the recorded RAVNOVES00 diagnostic
+binding and does not claim that host arrival is hardware firing time. The
+factory KB4 identity is exact, but a measured calibration-target residual and
+physical body/mount dimensions are unavailable. The accepted profile is
+therefore source-session scoped and cannot transfer to another mount. A5
+`TrackGeometry v1` is the next critical-path implementation; E32 publication
+must bind both that contract and the accepted E31 profile.
 
 ### A3 residual and human-exception policy
 
@@ -153,5 +174,6 @@ exception decision is frozen.
   accuracy, navigation or safety acceptance threshold.
 - A repeated cause cluster or a high-impact case blocks the gate regardless of
   percentage. The 1% budget cannot hide a systematic defect.
-- The current queue is 2 / 486 (`0.41%`) and therefore bounded, but A3 still
-  requires those two recorded decisions before its correction set is frozen.
+- The routed queue was 2 / 486 (`0.41%`) and is now fully resolved in the
+  immutable human generation. No unresolved `insufficient-evidence` item
+  remains.