fix(verifiers): preserve source Evidence through shared admission

scripts/lib/browser-network-e2e.mjs

@@ -1,3 +1,4 @@
+import { requireMcpOutput } from "./mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
 import { fileURLToPath } from "node:url";
@@ -116,9 +117,12 @@ export async function verifyBrowserNetworkEvidence(
       { timeout: 60_000 },
     );
     assert.notEqual(result.isError, true, JSON.stringify(result));
-    const evidence = parseEvidence(result.structuredContent);
+    assert.notEqual(result.structuredContent, undefined);
+    const evidence = parseEvidence(
+      requireMcpOutput(result, "capture_browser_scenario"),
+    );
     mcpProof = assertBrowserNetworkEvidence(
-      browserScenarioCaptureSchema.parse(evidence.normalized_result),
+      evidence.normalized_result,
       site.origin,
     );
     if (attachment !== undefined) {
@@ -131,12 +135,13 @@ export async function verifyBrowserNetworkEvidence(
         { timeout: 60_000 },
       );
       assert.notEqual(connected.isError, true, JSON.stringify(connected));
-      const connectedEvidence = parseEvidence(connected.structuredContent);
+      assert.notEqual(connected.structuredContent, undefined);
+      const connectedEvidence = parseEvidence(
+        requireMcpOutput(connected, "capture_browser_scenario"),
+      );
       assert.deepEqual(
         assertBrowserNetworkEvidence(
-          browserScenarioCaptureSchema.parse(
-            connectedEvidence.normalized_result,
-          ),
+          connectedEvidence.normalized_result,
           site.origin,
           "disconnected-external",
         ),

scripts/lib/browser-popup-e2e.mjs

@@ -1,3 +1,4 @@
+import { requireMcpOutput } from "./mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
 import { once } from "node:events";
@@ -163,11 +164,11 @@ const verifyTransports = async (executable, origin) => {
       { timeout: 60_000 },
     );
     assert.notEqual(captured.isError, true, JSON.stringify(captured));
-    const evidence = parseEvidence(captured.structuredContent);
-    assertNetwork(
-      browserScenarioCaptureSchema.parse(evidence.normalized_result),
-      origin,
+    assert.notEqual(captured.structuredContent, undefined);
+    const evidence = parseEvidence(
+      requireMcpOutput(captured, "capture_browser_scenario"),
     );
+    assertNetwork(evidence.normalized_result, origin);
   } finally {
     try {
       await client.close();

scripts/lib/browser-screenshot-e2e.mjs

@@ -1,4 +1,7 @@
-import { requireMcpToolError } from "./mcp-verifier-results.mjs";
+import {
+  requireMcpOutput,
+  requireMcpToolError,
+} from "./mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
 import { mkdtemp, readFile, rm } from "node:fs/promises";
@@ -95,10 +98,11 @@ export async function verifyLargeScreenshotE2e(endpoint, origin) {
       { timeout: 60000 },
     );
     assert.notEqual(captured.isError, true, JSON.stringify(captured));
-    const mcpEvidence = parseEvidence(captured.structuredContent);
-    const mcpScreenshot = webScreenshotSchema.parse(
-      mcpEvidence.normalized_result,
+    assert.notEqual(captured.structuredContent, undefined);
+    const mcpEvidence = parseEvidence(
+      requireMcpOutput(captured, "capture_web_screenshot"),
     );
+    const mcpScreenshot = mcpEvidence.normalized_result;
     assert.deepEqual(mcpScreenshot.artifact, screenshot.artifact);
     const compared = comparePngScreenshots({
       before: screenshot.artifact,

scripts/lib/mcp-verifier-results.mjs

@@ -46,7 +46,8 @@ export const requireMcpOutput = (
     if (!isDeepStrictEqual(text, result.structuredContent))
       throw new Error(`${operation} text and structured results disagree`);
   }
-  return output;
+  // Downstream parseEvidence must authenticate source facts, not a schema projection.
+  return Object.hasOwn(output, "normalized_result") ? text : output;
 };
 
 const operationResultKey = (contract) => {

scripts/lib/native-value-e2e.mjs

@@ -14,6 +14,7 @@ import { nativeValueTraceSchema } from "../../dist/domain/native/nativeValueTrac
 import {
   requireMcpEvidenceBundle,
   requireMcpLifecycleResult,
+  requireMcpOutput,
 } from "./mcp-verifier-results.mjs";
 import { verifyGhidraBoundaries } from "./real-ghidra-boundaries.mjs";
 
@@ -198,12 +199,15 @@ async function verifyNativeValueAdapters(
       { timeout: 180000 },
     );
     assert.notEqual(result.isError, true, JSON.stringify(result));
-    const mcpEvidence = parseEvidence(result.structuredContent);
+    assert.notEqual(result.structuredContent, undefined);
+    const mcpEvidence = parseEvidence(
+      requireMcpOutput(result, "trace_native_values"),
+    );
     assert.equal(mcpEvidence.operation, "trace_native_values");
     assert.equal(mcpEvidence.provider.id, "rea-workflow");
     assert.deepEqual(mcpEvidence.analysis_profile, workflowProfile);
     const mcpGraph = verifyGraph(
-      result.structuredContent?.normalized_result,
+      mcpEvidence.normalized_result,
       target,
       procedure,
       globalAddress,
@@ -218,7 +222,10 @@ async function verifyNativeValueAdapters(
       { timeout: 180000 },
     );
     assert.notEqual(analyzed.isError, true, JSON.stringify(analyzed));
-    const functionEvidence = parseEvidence(analyzed.structuredContent);
+    assert.notEqual(analyzed.structuredContent, undefined);
+    const functionEvidence = parseEvidence(
+      requireMcpOutput(analyzed, "analyze_function"),
+    );
     assert.equal(functionEvidence.operation, "analyze_function");
     assert.equal(functionEvidence.provider.id, "ghidra");
     assert.deepEqual(
@@ -246,10 +253,6 @@ async function verifyNativeValueAdapters(
       functionEvidence.analysis_profile,
     );
     assert.deepEqual(functionProfile, upstreamProfile);
-    assert.deepEqual(
-      functionEvidence.normalized_result,
-      analyzed.structuredContent?.normalized_result,
-    );
     const comparison = await client.callTool(
       {
         name: "compare_functions",
@@ -261,16 +264,15 @@ async function verifyNativeValueAdapters(
       { timeout: 180000 },
     );
     assert.notEqual(comparison.isError, true, JSON.stringify(comparison));
-    const comparisonEvidence = parseEvidence(comparison.structuredContent);
+    assert.notEqual(comparison.structuredContent, undefined);
+    const comparisonEvidence = parseEvidence(
+      requireMcpOutput(comparison, "compare_functions"),
+    );
     assert.equal(
       comparisonEvidence.normalized_result.status,
       "unchanged",
       JSON.stringify(comparisonEvidence.normalized_result.dimensions),
     );
-    assert.deepEqual(
-      comparisonEvidence.normalized_result,
-      comparison.structuredContent?.normalized_result,
-    );
     assert.ok(
       comparisonEvidence.evidence_links.includes(functionEvidence.evidence_id),
     );
@@ -346,8 +348,9 @@ async function verifyUnresolvedCallEvidence(client) {
     arguments: {},
   });
   assert.notEqual(inventory.isError, true, JSON.stringify(inventory));
+  assert.notEqual(inventory.structuredContent, undefined);
   const procedures = parseEvidence(
-    inventory.structuredContent,
+    requireMcpOutput(inventory, "list_procedures"),
   ).normalized_result;
   const indirect = procedures.find((item) =>
     item.value.endsWith("rea_ghidra_inventory_indirect"),
@@ -367,7 +370,10 @@ async function verifyUnresolvedCallEvidence(client) {
     { timeout: 180000 },
   );
   assert.notEqual(analyzed.isError, true, JSON.stringify(analyzed));
-  const evidence = parseEvidence(analyzed.structuredContent);
+  assert.notEqual(analyzed.structuredContent, undefined);
+  const evidence = parseEvidence(
+    requireMcpOutput(analyzed, "analyze_function"),
+  );
   assert.equal(evidence.relationship_coverage?.status, "partial");
   assert.ok(evidence.normalized_result.unresolved_calls.length > 0);
   const traced = await client.callTool(
@@ -382,7 +388,10 @@ async function verifyUnresolvedCallEvidence(client) {
     { timeout: 180000 },
   );
   assert.notEqual(traced.isError, true, JSON.stringify(traced));
-  const trace = parseEvidence(traced.structuredContent).normalized_result;
+  assert.notEqual(traced.structuredContent, undefined);
+  const trace = parseEvidence(
+    requireMcpOutput(traced, "trace_call_path"),
+  ).normalized_result;
   assert.equal(trace.goal_status, "unknown");
   assert.equal(trace.truncated, true);
   assert.ok(trace.residual_unknowns.length > 0);
@@ -397,8 +406,10 @@ async function verifyUnresolvedCallEvidence(client) {
     { timeout: 180000 },
   );
   assert.notEqual(compared.isError, true, JSON.stringify(compared));
+  assert.notEqual(compared.structuredContent, undefined);
   assert.equal(
-    parseEvidence(compared.structuredContent).normalized_result.status,
+    parseEvidence(requireMcpOutput(compared, "compare_functions"))
+      .normalized_result.status,
     "unknown",
   );
 }

scripts/verify-apk-signature.mjs

@@ -26,7 +26,10 @@ import {
   locateApkSigningBlock,
   parseZipTail,
 } from "../dist/domain/apkSignature/apkSigningBlock.js";
-import { mcpTextValue } from "./lib/mcp-verifier-results.mjs";
+import {
+  mcpTextValue,
+  requireMcpOutput,
+} from "./lib/mcp-verifier-results.mjs";
 import { createVerifierRun, completeVerifierRun } from "./lib/verifier-run.mjs";
 
 const execute = promisify(execFile);
@@ -261,7 +264,7 @@ try {
       ajv.validate(advertised.outputSchema, reply.structuredContent),
       JSON.stringify(ajv.errors),
     );
-    const mcp = parseEvidence(reply.structuredContent);
+    const mcp = parseEvidence(requireMcpOutput(reply, "inspect_apk_signature"));
     assert.deepEqual(cli, mcp, "CLI and MCP evidence differ");
     cases += 2;
     return mcp.normalized_result;

scripts/verify-package-mcp.mjs

@@ -1,6 +1,7 @@
 import {
   requireMcpEvidenceBundle,
   requireMcpLifecycleResult,
+  requireMcpOutput,
   requireMcpToolError,
 } from "./lib/mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
@@ -172,31 +173,23 @@ const verifyMcpInlineArtifactEvidence = async (
       { name: "inspect_artifact", arguments: {} },
       mcpOptions,
     );
-    assert.notEqual(inspected.isError, true, JSON.stringify(inspected));
-    const source = parseEvidence(inspected.structuredContent);
-    assert.deepEqual(
-      source.normalized_result,
-      inspected.structuredContent?.normalized_result,
-    );
-    assert.deepEqual(
-      JSON.parse(prompts.mcpText(inspected)),
-      inspected.structuredContent,
+    assert.notEqual(inspected.structuredContent, undefined);
+    const source = parseEvidence(
+      requireMcpOutput(inspected, "inspect_artifact"),
     );
     const compared = await client.callTool(
       {
         name: "compare_artifacts",
         arguments: {
-          left: inspected.structuredContent,
-          right: inspected.structuredContent,
+          left: source,
+          right: source,
         },
       },
       mcpOptions,
     );
-    assert.notEqual(compared.isError, true, JSON.stringify(compared));
-    const comparison = parseEvidence(compared.structuredContent);
-    assert.deepEqual(
-      comparison.normalized_result,
-      compared.structuredContent?.normalized_result,
+    assert.notEqual(compared.structuredContent, undefined);
+    const comparison = parseEvidence(
+      requireMcpOutput(compared, "compare_artifacts"),
     );
     assert.ok(comparison.evidence_links.includes(source.evidence_id));
     const bundleReply = await client.callTool(
@@ -220,13 +213,11 @@ const verifyMcpInlineArtifactEvidence = async (
       { name: "extract_artifact", arguments: {} },
       mcpOptions,
     );
-    assert.notEqual(extracted.isError, true, JSON.stringify(extracted));
-    const extraction = parseEvidence(extracted.structuredContent);
-    assert.deepEqual(
-      extraction.normalized_result,
-      extracted.structuredContent?.normalized_result,
+    assert.notEqual(extracted.structuredContent, undefined);
+    const extraction = parseEvidence(
+      requireMcpOutput(extracted, "extract_artifact"),
     );
-    const materialized = extracted.structuredContent?.normalized_result;
+    const materialized = extraction.normalized_result;
     assert.equal(typeof materialized?.output_root, "string");
     outputRoot = materialized.output_root;
     assert.equal(materialized.containment_verified, true);

scripts/verify-reconstruction-readiness.mjs

@@ -8,7 +8,7 @@ import { Client } from "@modelcontextprotocol/client";
 import { StdioClientTransport } from "@modelcontextprotocol/client/stdio";
 import { tsImport } from "tsx/esm/api";
 
-import { toolContract } from "../dist/contracts/toolContracts.js";
+import { requireMcpOutput } from "./lib/mcp-verifier-results.mjs";
 import { parseEvidence } from "../dist/domain/evidence.js";
 import { createEvidenceBundle } from "../dist/domain/evidenceBundle.js";
 import { withVerifierCleanup } from "./lib/verifier-cleanup.mjs";
@@ -80,10 +80,8 @@ await withVerifierCleanup(async () => {
     { name: "binary_session", arguments: {} },
     { toolDefinition: sessionTool },
   );
-  assert.notEqual(sessionReply.isError, true);
-  const sessionStatus = toolContract("binary_session").outputSchema.parse(
-    sessionReply.structuredContent,
-  ).result;
+  assert.notEqual(sessionReply.structuredContent, undefined);
+  const sessionStatus = requireMcpOutput(sessionReply, "binary_session").result;
   const javascriptMcp = await analyzeMcp(client, javascriptPath);
   const electronMcp = await analyzeMcp(client, electronPath);
   assert.equal(
@@ -194,11 +192,10 @@ async function analyzeMcp(client_, inputPath) {
     name: "analyze_javascript_application",
     arguments: { input_path: inputPath },
   });
-  assert.notEqual(response.isError, true);
-  toolContract("analyze_javascript_application").outputSchema.parse(
-    response.structuredContent,
+  assert.notEqual(response.structuredContent, undefined);
+  return parseEvidence(
+    requireMcpOutput(response, "analyze_javascript_application"),
   );
-  return parseEvidence(response.structuredContent);
 }
 
 function verifySyntheticEvaluator() {

scripts/verify-wasm-artifact.mjs

@@ -21,6 +21,7 @@ import { PrivateRuntimeRoot } from "../dist/process/PrivateRuntimeRoot.js";
 import { parseEvidence } from "../dist/domain/evidence.js";
 import {
   requireMcpEvidenceBundle,
+  requireMcpOutput,
   mcpTextValue,
   requireMcpToolError,
 } from "./lib/mcp-verifier-results.mjs";
@@ -278,7 +279,7 @@ try {
       ajv.validate(advertised.outputSchema, reply.structuredContent),
       JSON.stringify(ajv.errors),
     );
-    const mcp = parseEvidence(reply.structuredContent);
+    const mcp = parseEvidence(requireMcpOutput(reply, "inspect_wasm_artifact"));
     assert.equal(cli.evidence_id, mcp.evidence_id);
     assert.deepEqual(cli, mcp);
     const report = mcp.normalized_result;
@@ -516,7 +517,7 @@ try {
       ajv.validate(advertised.outputSchema, reply.structuredContent),
       JSON.stringify(ajv.errors),
     );
-    const mcp = parseEvidence(reply.structuredContent);
+    const mcp = parseEvidence(requireMcpOutput(reply, "inspect_wasm_artifact"));
     assert.deepEqual(cli, mcp);
     const report = mcp.normalized_result;
     assert.equal(report.validation, "valid");

scripts/verify-wasm-interface-comparison.mjs

@@ -7,6 +7,7 @@ import { promisify } from "node:util";
 import { Client } from "@modelcontextprotocol/client";
 import { StdioClientTransport } from "@modelcontextprotocol/client/stdio";
 import { parseEvidence } from "../dist/domain/evidence.js";
+import { requireMcpOutput } from "./lib/mcp-verifier-results.mjs";
 
 const execute = promisify(execFile);
 const bin = process.env.REA_WABT_BIN_DIRECTORY;
@@ -53,7 +54,8 @@ const inspect = async (path) => {
     arguments: { path },
   });
   assert.notEqual(result.isError, true, JSON.stringify(result));
-  return parseEvidence(result.structuredContent);
+  assert.notEqual(result.structuredContent, undefined);
+  return parseEvidence(requireMcpOutput(result, "inspect_wasm_artifact"));
 };
 const compare = async (left, right, scope = "both") => {
   const input = {
@@ -66,7 +68,8 @@ const compare = async (left, right, scope = "both") => {
     arguments: input,
   });
   assert.notEqual(reply.isError, true, JSON.stringify(reply));
-  const mcp = parseEvidence(reply.structuredContent);
+  assert.notEqual(reply.structuredContent, undefined);
+  const mcp = parseEvidence(requireMcpOutput(reply, "compare_wasm_interfaces"));
   const file = join(root, "comparison.json");
   await writeFile(file, JSON.stringify({ left, right, scope }));
   const local = parseEvidence(

scripts/verify/android/analysis.mjs

@@ -1,3 +1,4 @@
+import { requireMcpOutput } from "../../lib/mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
 import { access, writeFile } from "node:fs/promises";
@@ -147,17 +148,14 @@ try {
       { name: task.name, arguments: task.input },
       { timeout: 150_000 },
     );
-    assert.notEqual(response.isError, true, JSON.stringify(response));
-    const structured = response.structuredContent;
-    assert.ok(structured !== undefined);
-    const evidence = parseEvidence(structured);
+    assert.notEqual(response.structuredContent, undefined);
+    const evidence = parseEvidence(requireMcpOutput(response, task.name));
     assert.deepEqual(
       evidence.normalized_result,
       cliResults.get(task.name).normalized_result,
     );
     // Raw observations retain different workspace paths and load durations.
     // Validate each evidence ID independently; compare portable results/intent.
-    assert.equal(structured.evidence_id, evidence.evidence_id);
     assert.deepEqual(evidence.parameters, cliResults.get(task.name).parameters);
     assert.deepEqual(evidence.provider, cliResults.get(task.name).provider);
     assert.deepEqual(
@@ -169,7 +167,6 @@ try {
       cliResults.get(task.name).limitations,
     );
     assert.equal(evidence.confidence, cliResults.get(task.name).confidence);
-    assert.deepEqual(structured.normalized_result, evidence.normalized_result);
     console.log(`PASS MCP/CLI parity ${task.name}`);
   }
   const overloadedInput = {
@@ -210,9 +207,10 @@ try {
     { name: "trace_android_references", arguments: overloadedInput },
     { timeout: 150_000 },
   );
-  assert.notEqual(overloadedMcp.isError, true, JSON.stringify(overloadedMcp));
+  assert.notEqual(overloadedMcp.structuredContent, undefined);
   assert.deepEqual(
-    parseEvidence(overloadedMcp.structuredContent).normalized_result,
+    parseEvidence(requireMcpOutput(overloadedMcp, "trace_android_references"))
+      .normalized_result,
     overloadedEvidence.normalized_result,
   );
   console.log("PASS real overloaded method references through CLI/MCP");

scripts/verify/android/class-search.mjs

@@ -1,6 +1,6 @@
 import assert from "node:assert/strict";
 import { parseEvidence } from "../../../dist/domain/evidence.js";
-import { requireMcpOperationResult } from "../../lib/mcp-verifier-results.mjs";
+import { requireMcpOutput } from "../../lib/mcp-verifier-results.mjs";
 
 /** Compare native selection with an explicit full-inventory oracle on one live session. */
 export const verifyAndroidClassSearch = async ({ client, path, sha256 }) => {
@@ -9,11 +9,11 @@ export const verifyAndroidClassSearch = async ({ client, path, sha256 }) => {
       { name: "search_android_classes", arguments: { path, query } },
       { timeout: 150_000 },
     );
-    const result = requireMcpOperationResult(
-      response,
-      "search_android_classes",
+    assert.notEqual(response.structuredContent, undefined);
+    const evidence = parseEvidence(
+      requireMcpOutput(response, "search_android_classes"),
     );
-    const evidence = parseEvidence(response.structuredContent);
+    const result = evidence.normalized_result;
     assert.equal(evidence.subject.digest.sha256, sha256);
     assert.equal(evidence.parameters.query, query);
     assert.equal(result.query, query);

scripts/verify/harmony/analysis.mjs

@@ -1,3 +1,4 @@
+import { requireMcpOutput } from "../../lib/mcp-verifier-results.mjs";
 import assert from "node:assert/strict";
 import { execFile } from "node:child_process";
 import { createHash } from "node:crypto";
@@ -172,8 +173,10 @@ try {
       { name: "inspect_artifact", arguments: {} },
       { timeout: 150_000 },
     );
-    assert.notEqual(inspected.isError, true, JSON.stringify(inspected));
-    const mcpInspection = parseEvidence(inspected.structuredContent);
+    assert.notEqual(inspected.structuredContent, undefined);
+    const mcpInspection = parseEvidence(
+      requireMcpOutput(inspected, "inspect_artifact"),
+    );
     assert.deepEqual(
       mcpInspection.normalized_result,
       inspection.normalized_result,
@@ -186,9 +189,10 @@ try {
       },
       { timeout: 150_000 },
     );
-    assert.notEqual(response.isError, true, JSON.stringify(response));
-    assert.ok(response.structuredContent !== undefined);
-    const mcpEvidence = parseEvidence(response.structuredContent);
+    assert.notEqual(response.structuredContent, undefined);
+    const mcpEvidence = parseEvidence(
+      requireMcpOutput(response, "project_harmony_application_graph"),
+    );
     assert.deepEqual(
       mcpEvidence.normalized_result,
       projectionEvidence.normalized_result,

tests/boundary/process/mcpVerifierResults.test.ts

@@ -1,3 +1,11 @@
+import { ARTIFACT_COMPARISON_EXAMPLE } from "../../../src/contracts/artifactComparisonExample.js";
+import { artifactInventoryResultSchema } from "../../../src/domain/artifactGraph.js";
+import { digestCanonicalValue } from "../../../src/domain/canonicalDigest.js";
+import { createAnalysisExecutionEvidence } from "../../../src/domain/analysisObservation.js";
+import {
+  wasmArtifactFixture,
+  wasmArtifactExecution,
+} from "../../fixtures/wasm/artifact.js";
 import { toolContract } from "../../../src/contracts/toolContracts.js";
 import assert from "node:assert/strict";
 import { readFile } from "node:fs/promises";
@@ -423,3 +431,145 @@ it("requires canonical complete tool errors before inspecting their diagnostic f
     "Expected an MCP tool failure",
   );
 });
+
+it.each(["transport disagreement", "malformed normalized result"])(
+  "admits complete Wasm Evidence at the interface verifier boundary: %s",
+  async (scenario) => {
+    const source = await readFile(
+      new URL(
+        "../../../scripts/verify-wasm-interface-comparison.mjs",
+        import.meta.url,
+      ),
+      "utf8",
+    );
+    const declaration = parse(source, { sourceType: "module" })
+      .program.body.filter((node) => node.type === "VariableDeclaration")
+      .flatMap((node) => node.declarations)
+      .find(
+        (node) => node.id.type === "Identifier" && node.id.name === "inspect",
+      )?.init;
+    if (declaration?.start == null || declaration.end == null)
+      throw new Error("Wasm interface verifier inspect boundary missing");
+    const report = wasmArtifactFixture();
+    const execution = wasmArtifactExecution(report);
+    const evidence = createAnalysisExecutionEvidence(
+      "inspect_wasm_artifact",
+      { path: report.artifact.path },
+      execution,
+      "observed",
+    );
+    let response: unknown;
+    const inspect = runInNewContext(
+      `(${source.slice(declaration.start, declaration.end)})`,
+      {
+        assert,
+        client: { callTool: async () => response },
+        parseEvidence,
+        ...(await verifierResults()),
+      },
+    ) as (path: string) => Promise<unknown>;
+    response = { ...textReply(evidence), structuredContent: evidence };
+    await expect(inspect(report.artifact.path)).resolves.toEqual(evidence);
+
+    if (scenario === "transport disagreement") {
+      const different = wasmArtifactFixture();
+      different.limitations = ["Independent complete Wasm observation."];
+      const structured = createAnalysisExecutionEvidence(
+        "inspect_wasm_artifact",
+        { path: different.artifact.path },
+        wasmArtifactExecution(different),
+        "observed",
+      );
+      expect(
+        parseEvidence(
+          toolContract("inspect_wasm_artifact").outputSchema.parse(structured),
+        ),
+      ).toEqual(structured);
+      response = { ...textReply(evidence), structuredContent: structured };
+      await expect(inspect(report.artifact.path)).rejects.toThrow(
+        "text and structured results disagree",
+      );
+    } else {
+      const malformed = createEvidence(
+        execution.subject ?? undefined,
+        execution.provider,
+        {
+          operation: "inspect_wasm_artifact",
+          parameters: { path: report.artifact.path },
+          result: "authentic Evidence with an invalid Wasm result shape",
+        },
+      );
+      expect(parseEvidence(malformed)).toEqual(malformed);
+      response = { ...textReply(malformed), structuredContent: malformed };
+      await expect(inspect(report.artifact.path)).rejects.toThrow();
+    }
+    response = textReply(evidence);
+    await expect(inspect(report.artifact.path)).rejects.toThrow();
+  },
+);
+
+it("preserves raw extraction manifest extensions for separate Evidence authentication", async () => {
+  const { requireMcpOutput } = await verifierResults();
+  const inventoryEvidence = ARTIFACT_COMPARISON_EXAMPLE.left;
+  const inventory = artifactInventoryResultSchema.parse(
+    inventoryEvidence.normalized_result,
+  );
+  const extractionSemantic = {
+    source_manifest_id: inventory.manifest.manifest_id,
+    selected_occurrence_ids: [],
+    files_sha256: digestCanonicalValue([], "Artifact"),
+    output_root_alias: "$OUTPUT_ROOT",
+  };
+  const report = {
+    manifest: inventory.manifest,
+    extraction_manifest: {
+      extraction_id: `aex_${digestCanonicalValue(extractionSemantic, "Artifact")}`,
+      ...extractionSemantic,
+    },
+    output_root: "/owned/output",
+    artifacts: [],
+    containment_verified: true,
+    cleanup: { attempted: true, verified: true, residual_paths: [] },
+    coverage: inventory.coverage,
+    provenance: inventory.provenance,
+    integrity_contradictions: inventory.integrity_contradictions,
+    limitations: [],
+  };
+  const evidenceFor = (result: unknown) =>
+    createEvidence(undefined, inventoryEvidence.provider, {
+      operation: "extract_artifact",
+      parameters: {},
+      result,
+    });
+  const evidence = evidenceFor(report);
+  const extendedResult = {
+    ...report,
+    manifest: { ...report.manifest, vendor_note: "retained source extension" },
+  };
+  const tampered = { ...evidence, normalized_result: extendedResult };
+  const reply = (value: unknown) => ({
+    ...textReply(value),
+    structuredContent: value,
+  });
+  // Shape projection discards the extension; it cannot authenticate its source ID.
+  expect(toolContract("extract_artifact").outputSchema.parse(tampered)).toEqual(
+    evidence,
+  );
+  const admittedTampered = requireMcpOutput(
+    reply(tampered),
+    "extract_artifact",
+  );
+  expect(admittedTampered).toEqual(tampered);
+  expect(() => parseEvidence(admittedTampered)).toThrow(/semantic identifier/u);
+
+  const authentic = evidenceFor(extendedResult);
+  const projected =
+    toolContract("extract_artifact").outputSchema.parse(authentic);
+  expect(projected).toEqual({ ...authentic, normalized_result: report });
+  const admittedAuthentic = requireMcpOutput(
+    reply(authentic),
+    "extract_artifact",
+  );
+  expect(admittedAuthentic).toEqual(authentic);
+  expect(parseEvidence(admittedAuthentic)).toEqual(authentic);
+});