diff --git a/src/capability-language/authoring-check.ts b/src/capability-language/authoring-check.ts
index 8c696ad..5f65355 100644
--- a/src/capability-language/authoring-check.ts
+++ b/src/capability-language/authoring-check.ts
@@ -7,7 +7,12 @@ import type { convergeAuthoring } from "./authoring-converge.js";
 import { execFile as callback } from "node:child_process";
 import { promisify } from "node:util";
 import { buildImmutableCandidate, checkerIdentity } from "./checked-build.js";
-import { planEvolution, type WorkspaceRevision, type EvolutionReview } from "../capability-model/index.js";
+import {
+  planEvolution,
+  reviewSemanticMajors,
+  type WorkspaceRevision,
+  type EvolutionReview,
+} from "../capability-model/index.js";
 
 export const checkRecordName = (directory: string) => createHash("sha256").update(directory).digest("hex") + ".json";
 export async function checkAuthoring(
@@ -105,7 +110,20 @@ export async function checkAuthoring(
     } catch (error) {
       if ((error as NodeJS.ErrnoException).code !== "ENOENT") throw error;
     }
-    if (resource.kind === "workspace" && !options.contractOnly && report.runtime !== "execution") {
+    if (resource.kind === "workspace" && !options.contractOnly && report.runtime === "execution") {
+      report.phase = "semantic-review";
+      if (options.reviews && !options.baseline)
+        throw new Error("Execution semantic reviews require an explicit --baseline candidate");
+      const baseline = options.baseline
+        ? (JSON.parse(await fs.readFile(options.baseline, "utf8")) as WorkspaceRevision)
+        : null;
+      const receipts = options.reviews
+        ? (JSON.parse(await fs.readFile(options.reviews, "utf8")) as EvolutionReview[])
+        : [];
+      const review = reviewSemanticMajors(baseline, JSON.parse(candidateText), receipts);
+      await fs.writeFile(path.join(output, "semantic-review.json"), JSON.stringify(review, null, 2));
+      report.blockers.push(...review.blockers);
+    } else if (resource.kind === "workspace" && !options.contractOnly) {
       report.phase = "evolution";
       await progress();
       let baseline = options.baseline;
@@ -154,7 +172,7 @@ export async function checkAuthoring(
     await fs.writeFile(temporary, JSON.stringify(value, null, 2), { flag: "wx", mode: 0o600 });
     await fs.rename(temporary, filename);
   };
-  if (report.artifactPath) {
+  if (report.artifactPath && report.compilation === "passed" && !report.blockers.length) {
     const graph = JSON.parse(await fs.readFile(path.join(report.artifactPath, "graph.json"), "utf8"));
     for (const checked of graph.resources) {
       const managed = context.resources.find(
diff --git a/src/capability-model/evolution.ts b/src/capability-model/evolution.ts
index 0d9b0bd..0133b80 100644
--- a/src/capability-model/evolution.ts
+++ b/src/capability-model/evolution.ts
@@ -367,6 +367,36 @@ export const planEvolution = (
         ...(next ? { candidate: next } : {}),
       });
   }
+  const semanticReview = assessSemanticReviews(baseline, candidate, options.reviews ?? [], checkerVersion, [
+    ...nextRuntimes.values(),
+  ]);
+  const reviews = semanticReview.reviews;
+  blockers.push(...semanticReview.blockers);
+  return {
+    schemaVersion: 1,
+    baselineDigest: baseline ? contentDigest(baseline) : null,
+    candidateDigest,
+    checkerVersion,
+    runtimeActions,
+    storageChanges,
+    migrationRequired: storageChanges.filter((entry) => entry.requiresMigration).map((entry) => entry.id),
+    reviews,
+    packageChecks: runtimeActions
+      .filter((entry) => entry.candidate && entry.action !== "keep")
+      .map((entry) => ({ groupId: entry.groupId, contractDigest: entry.candidate!.digest })),
+    blockers,
+  };
+};
+
+/** Review dependency contracts, without making any storage or process-placement decision. */
+function assessSemanticReviews(
+  baseline: WorkspaceRevision | null,
+  candidate: WorkspaceRevision,
+  receipts: readonly EvolutionReview[],
+  checkerVersion: string,
+  consumers: readonly RuntimeContract[],
+): Pick<EvolutionReport, "reviews" | "blockers"> {
+  const blockers: string[] = [];
   const providers = (workspace: WorkspaceRevision) => [
     ...workspace.packageImports.map((entry) => ({
       id: entry.packageId as string,
@@ -393,7 +423,7 @@ export const planEvolution = (
     }
     if (!old[0] || old[0].major === provider.major) continue;
     if (provider.major < old[0].major) blockers.push(`Semantic major decreases for ${provider.id}`);
-    for (const consumer of nextRuntimes.values()) {
+    for (const consumer of consumers) {
       if (consumer.packageId === provider.id || !consumer.reviewProviders.includes(provider.id)) continue;
       const requirement = {
         consumerId: consumer.groupId,
@@ -408,7 +438,7 @@ export const planEvolution = (
         consumer: consumer.digest,
         checkerVersion,
       });
-      const accepted = (options.reviews ?? []).some(
+      const accepted = receipts.some(
         (entry) =>
           entry.requirementDigest === requirementDigest &&
           ["changed", "accepted-unchanged"].includes(entry.decision) &&
@@ -419,18 +449,27 @@ export const planEvolution = (
       if (!accepted) blockers.push(`Semantic-major review required: ${consumer.groupId} consumes ${provider.id}`);
     }
   }
+  return { reviews, blockers };
+}
+
+export function reviewSemanticMajors(
+  baseline: WorkspaceRevision | null,
+  candidate: WorkspaceRevision,
+  receipts: readonly EvolutionReview[] = [],
+) {
+  for (const workspace of baseline ? [baseline, candidate] : [candidate]) {
+    const issues = validateWorkspaceRevision(workspace);
+    if (issues.length)
+      throw new Error("Invalid semantic-review workspace: " + issues.map((issue) => issue.message).join("; "));
+  }
+  if (baseline && baseline.workspaceId !== candidate.workspaceId)
+    throw new Error("Cannot review a different workspace");
+  const checkerVersion = "quixos-semantic-review-v1";
+  const report = assessSemanticReviews(baseline, candidate, receipts, checkerVersion, runtimeContracts(candidate));
   return {
-    schemaVersion: 1,
-    baselineDigest: baseline ? contentDigest(baseline) : null,
-    candidateDigest,
     checkerVersion,
-    runtimeActions,
-    storageChanges,
-    migrationRequired: storageChanges.filter((entry) => entry.requiresMigration).map((entry) => entry.id),
-    reviews,
-    packageChecks: runtimeActions
-      .filter((entry) => entry.candidate && entry.action !== "keep")
-      .map((entry) => ({ groupId: entry.groupId, contractDigest: entry.candidate!.digest })),
-    blockers,
+    baselineDigest: baseline ? contentDigest(baseline) : null,
+    candidateDigest: contentDigest(candidate),
+    ...report,
   };
-};
+}
diff --git a/test/evolution.test.ts b/test/evolution.test.ts
index 93c91b1..97ccb97 100644
--- a/test/evolution.test.ts
+++ b/test/evolution.test.ts
@@ -4,6 +4,7 @@ import { capabilityId as id, valueType, validateWorkspaceRevision } from "../src
 import {
   contentDigest,
   planEvolution,
+  reviewSemanticMajors,
   runtimeContracts,
   storageContracts,
   storageChangeRequiresMigration,
@@ -126,6 +127,42 @@ test("semantic review receipts cover exact consumer/provider contracts", () => {
   assert.equal(planEvolution(before, after, { allowLegacy: true, reviews: [receipt] }).reviews[0]!.accepted, false);
 });
 
+test("execution semantic review is independent of storage migration and process action planning", () => {
+  const before = makeValidCapabilityWorkspace();
+  before.conformances[0]!.id = id.conformance("conformance:project:named");
+  const after = structuredClone(before);
+  after.conformances[0]!.semanticMajor = 2;
+  const report = reviewSemanticMajors(before, after);
+  assert.equal(report.checkerVersion, "quixos-semantic-review-v1");
+  assert.equal(report.reviews.length, 1);
+  assert.equal(report.reviews[0]!.accepted, false);
+  assert.equal("migrationRequired" in report, false);
+  assert.equal("runtimeActions" in report, false);
+  assert.equal(report.blockers.length, 1);
+  const receipt = {
+    requirementDigest: report.reviews[0]!.requirementDigest,
+    decision: "accepted-unchanged" as const,
+    rationale: "The consumer only displays this provider's unchanged label contract",
+    agentId: "fixture-agent",
+  };
+  assert.deepEqual(reviewSemanticMajors(before, after, [receipt]).blockers, []);
+  const oldReceipt = {
+    ...receipt,
+    requirementDigest: planEvolution(before, after, { allowLegacy: true }).reviews[0]!.requirementDigest,
+  };
+  assert.equal(reviewSemanticMajors(before, after, [oldReceipt]).reviews[0]!.accepted, false);
+  after.packageImports[0]!.source.commit = "f".repeat(40);
+  assert.equal(reviewSemanticMajors(before, after, [receipt]).reviews[0]!.accepted, false);
+  assert.deepEqual(reviewSemanticMajors(null, after).blockers, []);
+  assert.throws(
+    () => reviewSemanticMajors(before, { ...after, workspaceId: id.workspace("different") }),
+    /different workspace/,
+  );
+  const earlier = structuredClone(after);
+  earlier.conformances[0]!.semanticMajor = 1;
+  assert.ok(reviewSemanticMajors(after, earlier).blockers.some((message) => message.includes("decreases")));
+});
+
 test("evolution enrollment is explicit and never erases legacy ownership", () => {
   const workspace = makeValidCapabilityWorkspace();
   const report = planEvolution(workspace, workspace);