diff --git a/build/just/trope.just b/build/just/trope.just
index 37c9eb0..e44a53a 100644
--- a/build/just/trope.just
+++ b/build/just/trope.just
@@ -9,4 +9,6 @@
 check: haec-examples
 
 haec-examples:
-    bash tests/check-examples.sh
+    # justfile_directory() so the recipe is cwd-robust: older just (≤1.32) runs
+    # imported recipes from THIS file's directory, newer just from the root.
+    bash {{justfile_directory()}}/tests/check-examples.sh
diff --git a/design/trope-ir.schema.json b/design/trope-ir.schema.json
index 3cc095f..8c6ecb9 100644
--- a/design/trope-ir.schema.json
+++ b/design/trope-ir.schema.json
@@ -10,7 +10,11 @@
   "properties": {
     "$schema": { "type": "string" },
     "$comment": { "type": "string" },
-    "version": { "type": "string", "const": "0.1" },
+    "version": {
+      "type": "string",
+      "enum": ["0.1", "0.2"],
+      "$comment": "0.2 is current (R-2026-07-07, ADR 0004: A1 two-sided deceptive zeros, A2 chain retention order, A3 Attenuated(0)->Present normalization at ingest — verdict semantics changed, wire format unchanged). 0.1 documents remain accepted and are normalized and graded identically under 0.2 semantics."
+    },
     "profile": {
       "type": "string",
       "const": "prevent",
@@ -31,7 +35,7 @@
     "fieldName": { "enum": ["quality", "bearer", "context", "record"] },
 
     "delta": {
-      "$comment": "A fidelity element of N union {inf, top}. Finite delta is tropical (min-plus) quantified loss; inf is total quantified loss; top is loss of unknown amount.",
+      "$comment": "A fidelity element of N union {inf, top}. Finite delta is tropical (min-plus) quantified loss; inf is total quantified loss; top is loss of unknown amount. Attenuated(0) is wire-legal and is normalized to Present at IR ingest (R-2026-07-07-03, A3): validators rewrite it before grading.",
       "oneOf": [
         { "type": "integer", "minimum": 0 },
         { "type": "string", "enum": ["inf", "top"] }
diff --git a/examples/faithful-record.ir.json b/examples/faithful-record.ir.json
index 606590b..00e2117 100644
--- a/examples/faithful-record.ir.json
+++ b/examples/faithful-record.ir.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://github.com/hyperpolymath/trope-checker/schemas/trope-ir.schema.json",
   "$comment": "SPDX-FileCopyrightText: © 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>. SPDX-License-Identifier: MPL-2.0",
-  "version": "0.1",
+  "version": "0.2",
   "profile": "prevent",
   "nodes": [
     {
diff --git a/examples/station-average.ir.json b/examples/station-average.ir.json
index a17ee4b..2b418d6 100644
--- a/examples/station-average.ir.json
+++ b/examples/station-average.ir.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://github.com/hyperpolymath/trope-checker/schemas/trope-ir.schema.json",
   "$comment": "SPDX-FileCopyrightText: © 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>. SPDX-License-Identifier: MPL-2.0",
-  "version": "0.1",
+  "version": "0.2",
   "profile": "prevent",
   "nodes": [
     {
diff --git a/examples/survey-collapse.ir.json b/examples/survey-collapse.ir.json
index dbec03c..3dde966 100644
--- a/examples/survey-collapse.ir.json
+++ b/examples/survey-collapse.ir.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://github.com/hyperpolymath/trope-checker/schemas/trope-ir.schema.json",
   "$comment": "SPDX-FileCopyrightText: © 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>. SPDX-License-Identifier: MPL-2.0",
-  "version": "0.1",
+  "version": "0.2",
   "profile": "prevent",
   "nodes": [
     {