seonghobae · Aug 28, 2026 · Aug 28, 2026 · Aug 28, 2026 · Aug 28, 2026 · Aug 28, 2026
diff --git a/docs/adr/0252-temporal-primary-voice-history.md b/docs/adr/0252-temporal-primary-voice-history.md
@@ -2,11 +2,11 @@
 
 ## Status
 
-Accepted (2026-08-27). Extends ADR 0251 and closes issue #748.
+Accepted (2026-08-27). Extends ADR 0256 and closes issue #748.
 
 ## Context
 
-ADR 0251 records when a Voice assignment starts, but migration 0237 deletes
+ADR 0256 records when a Voice assignment starts, but migration 0237 deletes
 the former imported primary when `source_post.voc_type_code` changes. The live
 value is honest, yet an authorized knowledge-cutoff read after that update can
 no longer recover the primary that was effective at the cutoff. The existing

diff --git a/docs/adr/README.md b/docs/adr/README.md
@@ -12,7 +12,7 @@ decision from them.
 | [`product-requirements.md`](../product-requirements.md) | Product requirements projection across the ADR set; ADRs remain normative, including [0252](0252-temporal-primary-voice-history.md) |
 | [`product-technical-gap-baseline.md`](../product-technical-gap-baseline.md) | Product/technical traceability projection across the ADR set; ADRs remain normative |
 | [`lineage-bi-research-notes.md`](../lineage-bi-research-notes.md) | [0084](0084-lineage-research-grounding.md), [0062](0062-semantic-unit-embedding.md), [0064](0064-lineage-evidence-and-tree-assembly.md), [0024](0024-rankweave-fusion-fail-closed.md), [0165](0165-quantity-script-display.md), [0167](0167-rankweave-ranking-channel-evidence.md), [0169](0169-ask-batched-lineage-graph.md), [0172](0172-event-lineage-channel-evidence.md), [0202](0202-ask-event-time-filter.md), [0223](0223-explicit-semantic-content-unit-kinds.md), [0238](0238-source-conversation-turn-import-contract.md) |
-| [`voice-combination-technical-requirements.md`](../voice-combination-technical-requirements.md) | [0246](0246-expanded-voice-of-x-post-taxonomy.md), [0251](0256-evidence-bearing-voice-combinations.md), [0252](0252-temporal-primary-voice-history.md) |
+| [`voice-combination-technical-requirements.md`](../voice-combination-technical-requirements.md) | [0246](0246-expanded-voice-of-x-post-taxonomy.md), [0256](0256-evidence-bearing-voice-combinations.md), [0252](0252-temporal-primary-voice-history.md) |
 | [`lineage-bi-research-notes.md`](../lineage-bi-research-notes.md) | [0084](0084-lineage-research-grounding.md), [0062](0062-semantic-unit-embedding.md), [0064](0064-lineage-evidence-and-tree-assembly.md), [0024](0024-rankweave-fusion-fail-closed.md), [0165](0165-quantity-script-display.md), [0167](0167-rankweave-ranking-channel-evidence.md), [0169](0169-ask-batched-lineage-graph.md), [0172](0172-event-lineage-channel-evidence.md), [0202](0202-ask-event-time-filter.md), [0223](0223-explicit-semantic-content-unit-kinds.md) |
 | [`PROV_O_IMPLEMENTATION.md`](../PROV_O_IMPLEMENTATION.md) | [0065](0065-prov-o-provenance-boundary.md) |
 | [`PROV_O_IMPLEMENTATION_MATRIX.md`](../PROV_O_IMPLEMENTATION_MATRIX.md) | [0065](0065-prov-o-provenance-boundary.md) |

diff --git a/docs/product-technical-gap-baseline.md b/docs/product-technical-gap-baseline.md
@@ -1,5 +1,29 @@
 # Product & Technical Gap Baseline
 
+> Exact-head Voice export and authority audit: 2026-08-28 KST. Protected
+> `main` was `fc13acaa20adca11968238e398d4aafcf62b6cee`; thirteen PRs and nine
+> issues were open. The largest directly actionable Voice acceptance gap on
+> this head was export ambiguity: the rendered exact-value table already
+> offered separate actions for the carrying Post and derivation-evidence Post,
+> while CSV exposed only `evidence_post_id`. The current candidate adds explicit
+> `carrying_post_id` and `derivation_evidence_post_id` columns without replacing
+> the compatibility field. It also repairs an ADR-number collision: Voice
+> combinations are governed by ADR 0256, while ADR 0251 governs the distinct
+> FJA/I-O-Psychology layer. Protected delivery and authenticated PostgreSQL/UI
+> acceptance remain unavailable until this candidate passes its exact-head
+> gate and the runtime evidence is collected. Canonical remote names were
+> rechecked as `ContextualWisdomLab/LineageWeave`, `RankWeave`, `ThreadWeave`,
+> lowercase `disksage`, `TEPP`, `contextual-orchestrator`, and `fast-mlsirm`.
+> The 14:20 KST queue audit also found PR #782 proposing ADR 0267 / migration
+> 0245 / v2.24.0 on the same protected-main base. Its buyer-visible coordinates
+> are backed by additional projection from the frozen local NumPy residual-map
+> debt, while ADR 0208 assigns residual interaction maps and their coordinates
+> to fast-mlsirm's Rust result contract. The owner already returns person and
+> item coordinates, but this candidate does not consume and persist that
+> accepted owner artifact. It therefore remains a conflicting candidate, not a
+> protected-main capability or a permissible continuation of the product Gap
+> slice; no local reimplementation or heuristic substitute is authorized.
+>
 > Exact-head loop overlay: 2026-08-28 10:00 KST. Protected `main` was
 > `edf22ee39aee2a8481f9bda8fff59801821e79c2` (#773 similar-VOC coverage).
 > Open ready PRs: #772 (ask_time_axis coverage), #771 (fixtures/vision
@@ -15,7 +39,6 @@
 > share `e = R̂² / R²` (ADR 0266 / migration 0244 / v2.23.0) so
 > `e + s + x = 1` is buyer-auditable. Do not persist leftover-map
 > coordinates in this slice.
-
 > Exact-head loop overlay: 2026-08-28 KST. Protected `main` was
 > `bbb191924e9881a5201f1ecf63c854d92992cc1c`; seven PRs and nine issues were
 > open. PR #763 was `b51d3bd8872b` and PR #762 was `e6ca33dba1b5`; both were

diff --git a/docs/screenshots/voice-combination-export-desktop.png b/docs/screenshots/voice-combination-export-desktop.png
diff --git a/docs/screenshots/voice-combination-export-mobile.png b/docs/screenshots/voice-combination-export-mobile.png
diff --git a/docs/storybook-inventory.md b/docs/storybook-inventory.md
@@ -11,7 +11,7 @@ operator-facing control you can click before changing product CSS.
 | `Post/Connect perspective` | Choose one unassigned Voice and an explicit evidence state, then record the open post as its evidence. `Ready`, `Completed`, and `NarrowViewport` cover untouched, successful, and mobile states. | `VoiceAssignmentForm`, `admin-form`, `btn-primary` |
 | `Evidence/CitationChip` | Click a cited title to open that source post. | `--color-chip-border`, `--radius-chip`, `CitationChip` |
 | `Evidence/OrganizationAliasChip` | Click a cataloged org; the parenthetical is the unique corroborated SKOS companion. | `--color-chip-border`, `--radius-chip`, `OrganizationAliasChip` |
-| `Evidence/OntologyExplorer` | Distinguish Event Lineage from typed ontology facts, inspect Post/Person/Organization/Team/Project shapes, token-backed secondary cues, and truth labels, then open authorized evidence. The named exact-values region supports keyboard scrolling; `LongLabelsAndEvidenceTable` proves complete labels wrap without character-count truncation, while `CombinedVoiceEvidence` covers primary-plus-additional Voice assignments and focuses the evidence action distinct from the carrying-Post action. Desktop, narrow, drawers, legend/filter, empty, truncated, partial, denied, stale, and rejected scenes cover ADR 0184/0222/0251 states. | `OntologyExplorer`, `ontologyLayout`, `--ontology-node-*-fill`, `--color-table-border` |
+| `Evidence/OntologyExplorer` | Distinguish Event Lineage from typed ontology facts, inspect Post/Person/Organization/Team/Project shapes, token-backed secondary cues, and truth labels, then open authorized evidence. The named exact-values region supports keyboard scrolling; `LongLabelsAndEvidenceTable` proves complete labels wrap without character-count truncation, while `CombinedVoiceEvidence` covers primary-plus-additional Voice assignments and focuses the evidence action distinct from the carrying-Post action. Desktop, narrow, drawers, legend/filter, empty, truncated, partial, denied, stale, and rejected scenes cover ADR 0184/0222/0256 states. The audited combined-Voice renders are `docs/screenshots/voice-combination-export-desktop.png` and `docs/screenshots/voice-combination-export-mobile.png`. | `OntologyExplorer`, `ontologyLayout`, `--ontology-node-*-fill`, `--color-table-border` |
 | `Evidence/OntologyExplorer` | Distinguish Event Lineage from typed ontology facts, inspect Post/Person/Organization/Team/Project/Work-evidence shapes, token-backed secondary cues, and truth labels, then open authorized evidence. The populated scene includes one assertion-backed occupational construct without a person-trait promotion. The named exact-values region supports keyboard scrolling; `LongLabelsAndEvidenceTable` proves complete labels wrap without character-count truncation. Desktop, narrow, drawers, legend/filter, empty, truncated, partial, denied, stale, and rejected scenes cover ADR 0184/0222/0255 states. | `OntologyExplorer`, `ontologyLayout`, `--ontology-node-*-fill`, `--color-table-border` |
 | `AnalysisRun/CutoffKnownBody` | Read the cutoff-known sentence, then compare it with the live body below. | `--color-accent-border`, `--space-panel-block`, `--radius-panel`, `CutoffKnownBody` |
 | `Analysis/LineageEntityPicker` | Choose which corp to reconstruct, then click Request a lineage reconstruction. | `--space-control-gap`, `--size-control-min`, `--radius-control`, `LineageEntityPicker` |

diff --git a/docs/voice-combination-technical-requirements.md b/docs/voice-combination-technical-requirements.md
@@ -1,6 +1,6 @@
 # Voice-of-X Combination Technical Requirements
 
-This supporting TRD projects ADR 0246, ADR 0251, and ADR 0252. Those ADRs are
+This supporting TRD projects ADR 0246, ADR 0256, and ADR 0252. Those ADRs are
 normative when this document and an implementation differ.
 
 ## Scope

diff --git a/frontend/src/ontologyLayout.test.ts b/frontend/src/ontologyLayout.test.ts
@@ -8,6 +8,7 @@ import {
 } from "./ontologyLayout";
 
 const POST_ID = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaa1";
+const EVIDENCE_POST_ID = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaa2";
 const PERSON_ID = "bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbb1";
 const CORP_ID = "cccccccc-cccc-cccc-cccc-ccccccccccc1";
 const ONTOLOGY_NAMESPACE = "https://contextualwisdomlab.github.io/LineageWeave/ontology#";
@@ -126,7 +127,7 @@ describe("ontologyLayout", () => {
       truth_status_code: "truth_observed",
       recorded_at: "2026-01-10T12:00:00+00:00",
       provenance_reference: "Evidence-backed additional voice",
-      evidence_post_id: POST_ID,
+      evidence_post_id: EVIDENCE_POST_ID,
     };
     const row = {
       ...source.exact_value_rows[0],
@@ -136,7 +137,7 @@ describe("ontologyLayout", () => {
       target_node_id: assignment.voice_type_code,
       target_label: assignment.voice_type_label,
       target_type_code: "node_voice_type",
-      evidence_post_id: POST_ID,
+      evidence_post_id: EVIDENCE_POST_ID,
     };
     const withVoice = {
       ...source,
@@ -152,13 +153,50 @@ describe("ontologyLayout", () => {
 
     const csv = neighborhoodCsv(withVoice);
     expect(csv).toContain("Voice of Customer");
-    expect(csv.split("\n")[0]).toContain("evidence_post_id");
+    expect(csv.split("\n")[0]).toBe(
+      "edge_id,source_label,property_label,target_label,truth_status_code,recorded_at,ontology_property_iri,evidence_post_id,carrying_post_id,derivation_evidence_post_id",
+    );
     expect(csv).toContain(POST_ID);
+    const voiceCsvRow = csv.split("\n").find((row) => row.includes("Voice of Customer"));
+    expect(voiceCsvRow).toContain(`${EVIDENCE_POST_ID},${POST_ID},${EVIDENCE_POST_ID}`);
     expect(filterNeighborhood(withVoice, "customer")!.voice_assignments).toEqual([assignment]);
     expect(filterNeighborhood(withVoice, "missing")!.voice_assignments).toEqual([assignment]);
     expect(accumulateNeighborhoodPages(source, withVoice).voice_assignments).toEqual([assignment]);
   });
 
+  it("does not label imported primary evidence as derivation evidence in CSV", () => {
+    const source = payload();
+    const primary = {
+      post_id: POST_ID,
+      voice_type_code: "voc_customer",
+      voice_type_iri: "https://example.test/voice/customer",
+      voice_type_label: "Voice of Customer",
+      is_primary: true,
+      truth_status_code: "truth_observed",
+      recorded_at: "2026-01-10T12:00:00+00:00",
+      provenance_reference: "Imported primary voice",
+      evidence_post_id: POST_ID,
+    };
+    const primaryRow = {
+      ...source.exact_value_rows[0],
+      edge_id: `voice-assignment:${POST_ID}:voc_customer`,
+      property_code: "hasVoiceAssignment",
+      property_label: "Voice carried by this post",
+      target_node_id: primary.voice_type_code,
+      target_label: primary.voice_type_label,
+      target_type_code: "node_voice_type",
+      evidence_post_id: POST_ID,
+    };
+
+    const csv = neighborhoodCsv({
+      ...source,
+      voice_assignments: [primary],
+      exact_value_rows: [primaryRow],
+    });
+
+    expect(csv.split("\n")[1]).toContain(`${POST_ID},${POST_ID},`);
+  });
+
   it("merges JSON-LD properties and multi-value relations for one paged subject", () => {
     const source = payload();
     const postIri = `${ONTOLOGY_NAMESPACE}node/node_post/${POST_ID}`;

diff --git a/frontend/src/ontologyLayout.ts b/frontend/src/ontologyLayout.ts
@@ -138,6 +138,11 @@ export function layoutOntologyNeighborhood(payload: OntologyNeighborhoodPayload)
 }
 
 export function neighborhoodCsv(payload: OntologyNeighborhoodPayload): string {
+  const derivedVoiceAssignments = new Set(
+    (payload.voice_assignments ?? [])
+      .filter((assignment) => !assignment.is_primary)
+      .map((assignment) => `${assignment.post_id}\u0000${assignment.voice_type_code}`),
+  );
   const header = [
     "edge_id",
     "source_label",
@@ -147,12 +152,27 @@ export function neighborhoodCsv(payload: OntologyNeighborhoodPayload): string {
     "recorded_at",
     "ontology_property_iri",
     "evidence_post_id",
+    "carrying_post_id",
+    "derivation_evidence_post_id",
   ];
   const lines = [header.join(",")];
   for (const row of payload.exact_value_rows) {
     lines.push(
       header
-        .map((key) => csvCell(String(row[key as keyof typeof row] ?? "")))
+        .map((key) => {
+          if (key === "carrying_post_id") {
+            return csvCell(row.property_code === "hasVoiceAssignment" ? row.source_node_id : "");
+          }
+          if (key === "derivation_evidence_post_id") {
+            const assignmentKey = `${row.source_node_id}\u0000${row.target_node_id}`;
+            return csvCell(
+              row.property_code === "hasVoiceAssignment" && derivedVoiceAssignments.has(assignmentKey)
+                ? row.evidence_post_id ?? ""
+                : "",
+            );
+          }
+          return csvCell(String(row[key as keyof typeof row] ?? ""));
+        })
         .join(","),
     );
   }

diff --git a/tests/test_voice_authority_contract.py b/tests/test_voice_authority_contract.py
@@ -0,0 +1,24 @@
+"""Voice composition supporting documents must name their governing ADRs."""
+
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_voice_combination_documents_reference_adr_0256_not_0251() -> None:
+    """Keep Voice composition distinct from ADR 0251's I/O-Psychology layer."""
+    requirements = (ROOT / "docs/voice-combination-technical-requirements.md").read_text()
+    history = (ROOT / "docs/adr/0252-temporal-primary-voice-history.md").read_text()
+    adr_index = (ROOT / "docs/adr/README.md").read_text()
+    storybook_index = (ROOT / "docs/storybook-inventory.md").read_text()
+
+    assert "projects ADR 0246, ADR 0256, and ADR 0252" in requirements
+    assert "Extends ADR 0256" in history
+    assert "ADR 0256 records when a Voice assignment starts" in history
+    assert "[0256](0256-evidence-bearing-voice-combinations.md)" in adr_index
+    assert "[0251](0256-evidence-bearing-voice-combinations.md)" not in adr_index
+    ontology_row = next(
+        line for line in storybook_index.splitlines() if "`Evidence/OntologyExplorer`" in line
+    )
+    assert "ADR 0184/0222/0256 states" in ontology_row