diff --git a/backend/src/workspaces/preprocessing-service.ts b/backend/src/workspaces/preprocessing-service.ts
index 4dc94704..094ba766 100644
--- a/backend/src/workspaces/preprocessing-service.ts
+++ b/backend/src/workspaces/preprocessing-service.ts
@@ -244,23 +244,9 @@ export class WorkspacePreprocessingService {
     if (request.reviewed_candidates_digest !== reviewedCandidatesDigest || typeof request.annotations_digest !== "string") {
       return baseResult(runtime, "schema check", "failed", "annotation_invalid", { runId });
     }
-    const annotationsDigest = request.annotations_digest;
-    const review = state.writeFkReview(runId, {
-      reviewedCandidatesDigest,
-      annotationsDigest,
-      workspaceRevision: runtime.workspaceRevision,
-    });
-    const job = state.readJob(runId);
-    if (!job.completedStages.includes("fk_review")) {
-      job.reviewDigest = review.digest;
-      job.completedStages.push("fk_review");
-      state.writeJob(job);
-    }
-    return baseResult(runtime, "schema check", "succeeded", "ok", {
-      runId,
-      completedStages: [...job.completedStages],
-      artifactIdentities: [{ kind: "fk_review", digest: review.digest }],
-    });
+    // P5 supersedes the host-file FK review: schema check is read-only validation and never
+    // records a review. Only `schema accept` records a human review for the curated Git blob.
+    return baseResult(runtime, "schema check", "succeeded", "ok", { runId });
   }
 
   async acceptSchema(options: { workspaceId: string; runId: string; yes?: boolean }): Promise<WorkspaceOperationResult> {
@@ -392,10 +378,12 @@ export class WorkspacePreprocessingService {
     }
     const candidate = this.state(scope.runtime.workspaceId).readFkCandidates(scope.job.runId);
     if (candidate && !scope.job.completedStages.includes("fk_review")) {
-      // The candidate content digest is authoritative: a human review accepted for ANY run
-      // carrying the exact same candidate digest counts as the review checkpoint for this run.
+      // P5: continuation requires a review accepted for this candidate whose accepted blob digest
+      // equals the current revision's synced annotations. A revision change (or a missing curated
+      // blob) therefore records a new review checkpoint instead of silently reusing the old one.
       const accepted = this.findAcceptedReviewForDigest(scope.runtime.workspaceId, candidate.digest);
-      if (!accepted) {
+      const currentDigest = this.currentAnnotationsDigest(scope.runtime);
+      if (accepted === undefined || currentDigest === undefined || accepted.annotationsDigest !== currentDigest) {
         return baseResult(scope.runtime, "preprocess run", "blocked", "manual_review_required", {
           runId: scope.job.runId,
           childRuns: { ...scope.job.childRuns },
@@ -562,6 +550,10 @@ export class WorkspacePreprocessingService {
     }
   }
 
+  private currentAnnotationsDigest(runtime: ActiveRuntime): string | undefined {
+    return readAnnotationsSync(this.deps.dataRoot, runtime.workspaceId, runtime.workspaceRevision)?.contentDigest;
+  }
+
   private findAcceptedReviewForDigest(
     workspaceId: string,
     digestValue: string,
diff --git a/backend/test/workspace-preprocessing-service.test.ts b/backend/test/workspace-preprocessing-service.test.ts
index 38328887..18c2ff11 100644
--- a/backend/test/workspace-preprocessing-service.test.ts
+++ b/backend/test/workspace-preprocessing-service.test.ts
@@ -220,7 +220,7 @@ test("schema suggest-fks publishes a candidate artifact and blocks full runs for
   expect(f.runChild.mock.calls.map(([request]) => (request as ChildProcessRequest).argv[0])).toEqual(["preprocess", "schema"]);
 });
 
-test("schema check requires the exact candidate digest, stages annotations via temp file, and persists the review", async () => {
+test("schema check requires the exact candidate digest and stages annotations via a temp file without recording a review", async () => {
   const f = fixture();
   f.runChild.mockResolvedValueOnce({
     exitCode: 0,
@@ -269,7 +269,7 @@ test("schema check requires the exact candidate digest, stages annotations via t
   expect(checked).toMatchObject({ status: "succeeded", code: "ok" });
   expect(() => readFileSync(stagedPath, "utf8")).toThrow();
   const state = new PreprocessingStateStore({ dataRoot: f.dataRoot, workspaceId: "psd-clinical" });
-  expect(state.readFkReview(suggest.runId!)?.reviewedCandidatesDigest).toBe(reviewedDigest);
+  expect(state.readFkReview(suggest.runId!)).toBeUndefined();
 });
 
 test("index schema fails closed when semantic preflight refuses the collection", async () => {
@@ -422,3 +422,67 @@ test("schema accept fails closed without --yes, for an unknown run, or with no s
     .resolves.toMatchObject({ status: "failed", code: "annotation_invalid" });
   expect(f.runChild).toHaveBeenCalledTimes(1);
 });
+
+test("full runs continue after schema accept only when the accepted blob matches the current revision", async () => {
+  const f = fixture();
+  const revision = "a".repeat(40);
+  f.runChild
+    .mockResolvedValueOnce({ exitCode: 0, stdout: JSON.stringify({ status: "succeeded", run_id: "d".repeat(32) }), stderr: "" })
+    .mockResolvedValueOnce({
+      exitCode: 0,
+      stdout: JSON.stringify({ status: "succeeded", candidate_count: 1, candidate_digest: "sha256:" + "e".repeat(64), candidate_yaml: "tables: {}\n" }),
+      stderr: "",
+    });
+
+  const blocked = await f.service.run({ workspaceId: "psd-clinical" });
+  expect(blocked).toMatchObject({ status: "blocked", code: "manual_review_required" });
+  const runId = blocked.runId!;
+  const state = new PreprocessingStateStore({ dataRoot: f.dataRoot, workspaceId: "psd-clinical" });
+  const candidateDigest = state.readFkCandidates(runId)!.digest;
+
+  const synced = syncAnnotations({
+    dataRoot: f.dataRoot,
+    workspaceId: "psd-clinical",
+    commit: revision,
+    blobId: "b".repeat(40),
+    contents: Buffer.from("tables: {}\n"),
+  });
+
+  // Accept writes the review; the resume then passes the gate and reaches schema indexing.
+  f.runChild.mockResolvedValueOnce({
+    exitCode: 0,
+    stdout: JSON.stringify({ status: "succeeded", orphan_count: 0, annotations_digest: synced.contentDigest, reviewed_candidates_digest: candidateDigest }),
+    stderr: "",
+  });
+  await f.service.acceptSchema({ workspaceId: "psd-clinical", runId, yes: true });
+
+  f.runChild.mockResolvedValueOnce({
+    exitCode: 0,
+    stdout: JSON.stringify({ status: "succeeded", counts: { added: 1, updated: 0, deleted: 0, unchanged: 0 } }),
+    stderr: "",
+  });
+  const resumed = await f.service.run({ workspaceId: "psd-clinical", resumeRunId: runId });
+  expect(resumed).toMatchObject({ status: "succeeded", code: "ok" });
+
+  // A review whose accepted blob digest no longer matches the current revision stays blocked.
+  const second = fixture();
+  second.runChild
+    .mockResolvedValueOnce({ exitCode: 0, stdout: JSON.stringify({ status: "succeeded", run_id: "d".repeat(32) }), stderr: "" })
+    .mockResolvedValueOnce({
+      exitCode: 0,
+      stdout: JSON.stringify({ status: "succeeded", candidate_count: 1, candidate_digest: "sha256:" + "e".repeat(64), candidate_yaml: "tables: {}\n" }),
+      stderr: "",
+    });
+  const secondBlocked = await second.service.run({ workspaceId: "psd-clinical" });
+  const secondRunId = secondBlocked.runId!;
+  const secondState = new PreprocessingStateStore({ dataRoot: second.dataRoot, workspaceId: "psd-clinical" });
+  const secondCandidate = secondState.readFkCandidates(secondRunId)!.digest;
+  secondState.writeFkReview(secondRunId, {
+    reviewedCandidatesDigest: secondCandidate,
+    annotationsDigest: "sha256:" + "0".repeat(64),
+    workspaceRevision: revision,
+    blobId: "b".repeat(40),
+  });
+  const stillBlocked = await second.service.run({ workspaceId: "psd-clinical", resumeRunId: secondRunId });
+  expect(stillBlocked).toMatchObject({ status: "blocked", code: "manual_review_required" });
+});