diff --git a/src/sqlite/SqliteDatabaseFailures.ts b/src/sqlite/SqliteDatabaseFailures.ts
index 1a9aee98d2..d9dd7b8b35 100644
--- a/src/sqlite/SqliteDatabaseFailures.ts
+++ b/src/sqlite/SqliteDatabaseFailures.ts
@@ -10,6 +10,7 @@ import {
 } from "../domain/analysisErrorProjection.js";
 import {
   AnalysisError,
+  primaryAnalysisError,
   type AnalysisCapturedOutput,
   type AnalysisErrorOptions,
 } from "../domain/analysisErrorBase.js";
@@ -34,6 +35,7 @@ import {
   MAX_SQLITE_WORKER_TIMEOUT_MS,
 } from "../domain/sqlite/sqliteDatabase.js";
 import { SQLITE_DATABASE_LIMITS } from "./SqliteDatabaseLimits.js";
+import { SqliteSnapshotAcquisitionFailure } from "./SqliteDatabaseSnapshot.js";
 
 /** Preserve diagnostics independently of worker exit and private-root cleanup. */
 export const capturedSqliteOutput = (
@@ -91,6 +93,26 @@ export const sqliteDatabaseFailure = (
   workerTimeoutMs = DEFAULT_SQLITE_WORKER_TIMEOUT_MS,
 ): AnalysisError => {
   const operation = "inspect_sqlite_database";
+  if (cause instanceof SqliteSnapshotAcquisitionFailure) {
+    const failure = sqliteDatabaseFailure(
+      cause.operationCause,
+      path,
+      phase,
+      signal,
+      workerTimeoutMs,
+    );
+    const diagnostics = {
+      snapshot_acquisition: {
+        consistency: "unverified",
+        members: cause.completedMembers.map((member) => ({ ...member })),
+      },
+    };
+    failure.retainDiagnostics(diagnostics);
+    // Keep the facts on the semantic error after its cleanup envelope resolves.
+    const primary = primaryAnalysisError(failure);
+    if (primary !== failure) primary.retainDiagnostics(diagnostics);
+    return failure;
+  }
   if (cause instanceof AnalysisError) return cause;
   if (cause instanceof ArtifactReaderFailure) {
     if (cause.cleanup !== undefined) {
diff --git a/src/sqlite/SqliteDatabaseSnapshot.ts b/src/sqlite/SqliteDatabaseSnapshot.ts
index 1589ee963c..e11ab0d7d1 100644
--- a/src/sqlite/SqliteDatabaseSnapshot.ts
+++ b/src/sqlite/SqliteDatabaseSnapshot.ts
@@ -14,7 +14,9 @@ import {
   assertArtifactReadActive,
 } from "../artifacts/ArtifactFileOperation.js";
 import {
+  completedStableArtifact,
   readStableArtifact,
+  type StableArtifactSnapshot,
   type StableArtifactFileSystem,
 } from "../artifacts/readStableArtifact.js";
 import { SQLITE_DATABASE_LIMITS } from "./SqliteDatabaseLimits.js";
@@ -24,6 +26,34 @@ const fileSystem: StableArtifactFileSystem = {
   open,
 };
 
+type SnapshotMemberRole = "database" | "wal";
+type CompletedSnapshotMember = {
+  readonly role: SnapshotMemberRole;
+  readonly path: string;
+  readonly sha256: string;
+  readonly bytes: number;
+};
+
+/** Individual source reads do not establish that the whole file set is consistent. */
+export class SqliteSnapshotAcquisitionFailure extends Error {
+  readonly _tag = "SqliteSnapshotAcquisitionFailure";
+  readonly completedMembers: readonly CompletedSnapshotMember[];
+
+  constructor(
+    readonly operationCause: unknown,
+    members: readonly CompletedSnapshotMember[],
+  ) {
+    super(
+      operationCause instanceof Error
+        ? operationCause.message
+        : "SQLite source acquisition failed after completed member reads",
+      { cause: operationCause },
+    );
+    this.name = this._tag;
+    this.completedMembers = members.map((member) => ({ ...member }));
+  }
+}
+
 /** Probe a generated sibling only after the caller-selected database is observed. */
 const optionalSidecarStat = async (
   path: string,
@@ -248,112 +278,147 @@ export const captureSqliteDatabaseSnapshot = async (
   signal?: AbortSignal,
   selectedFileSystem: StableArtifactFileSystem = fileSystem,
 ) => {
-  assertArtifactReadActive(signal);
   const walPath = `${path}-wal`;
-  const journalPath = `${path}-journal`;
-  const paths = [path, walPath, journalPath] as const;
-  const database = await optionalStat(path, selectedFileSystem);
-  if (database === null) throw missingDatabase(path);
-  const wal = await optionalSidecarStat(
-    walPath,
-    path,
-    database,
-    "WAL",
-    selectedFileSystem,
-  );
-  const journal = await optionalSidecarStat(
-    journalPath,
-    path,
-    database,
-    "rollback journal",
-    selectedFileSystem,
-  );
-  const before = [database, wal, journal] as const;
-  const selectedSize = database.size + (wal?.size ?? 0n);
-  if (selectedSize > BigInt(SQLITE_DATABASE_LIMITS.inputBytes))
-    throw new AnalysisResourceConstraintError(
-      "inspect_sqlite_database",
-      "file-size",
-      `Selected SQLite database and WAL total ${selectedSize.toString()} bytes, exceeding the combined ${String(SQLITE_DATABASE_LIMITS.inputBytes)}-byte offline snapshot budget: ${path}`,
-      {
-        sqlite_snapshot_input_bytes: SQLITE_DATABASE_LIMITS.inputBytes,
-        observed_sqlite_snapshot_input_bytes: selectedSize.toString(),
-      },
-      {
-        remediationAction: `Use the application's supported export workflow to create a consistent, smaller offline SQLite snapshot containing only the relevant data, then inspect that snapshot. REA will not truncate or modify the selected source. The combined input allowance is ${String(SQLITE_DATABASE_LIMITS.inputBytes)} bytes. This release has no runtime override. worker_timeout_ms does not raise it.`,
-      },
-    );
-  if (journal !== null)
-    await verifyInactiveJournal(
-      `${path}-journal`,
-      journal,
-      selectedFileSystem,
-      resourceScope,
-      "initial",
-      signal,
-    );
-  const snapshotPath = join(root, "database.snapshot");
-  const captured = await readObservedArtifact(
-    path,
-    database,
-    SQLITE_DATABASE_LIMITS.inputBytes,
-    selectedFileSystem,
-    resourceScope,
-    signal,
-  );
-  await writeFile(snapshotPath, captured.bytes, {
-    flag: "wx",
-    mode: 0o600,
-    ...(signal === undefined ? {} : { signal }),
-  });
-  const artifact = {
-    path,
-    sha256: captured.sha256,
-    bytes: captured.bytes.length,
+  const completedMembers: CompletedSnapshotMember[] = [];
+  const recordMember = (
+    role: SnapshotMemberRole,
+    snapshot: StableArtifactSnapshot,
+  ) => {
+    completedMembers.push({
+      role,
+      path: role === "database" ? path : walPath,
+      sha256: snapshot.sha256,
+      bytes: snapshot.bytes.length,
+    });
+    return snapshot;
   };
-  let walArtifact: typeof artifact | null = null;
-  if (wal !== null) {
-    const capturedWal = await readObservedArtifact(
-      `${path}-wal`,
-      wal,
-      SQLITE_DATABASE_LIMITS.inputBytes - artifact.bytes,
+  const readMember = async (
+    role: SnapshotMemberRole,
+    observed: BigIntStats,
+    maximumBytes: number,
+  ) => {
+    try {
+      return recordMember(
+        role,
+        await readObservedArtifact(
+          role === "database" ? path : walPath,
+          observed,
+          maximumBytes,
+          selectedFileSystem,
+          resourceScope,
+          signal,
+        ),
+      );
+    } catch (cause: unknown) {
+      const completed = completedStableArtifact(cause);
+      if (completed !== undefined) recordMember(role, completed);
+      throw cause;
+    }
+  };
+  try {
+    assertArtifactReadActive(signal);
+    const journalPath = `${path}-journal`;
+    const paths = [path, walPath, journalPath] as const;
+    const database = await optionalStat(path, selectedFileSystem);
+    if (database === null) throw missingDatabase(path);
+    const wal = await optionalSidecarStat(
+      walPath,
+      path,
+      database,
+      "WAL",
       selectedFileSystem,
-      resourceScope,
-      signal,
     );
-    await writeFile(`${snapshotPath}-wal`, capturedWal.bytes, {
+    const journal = await optionalSidecarStat(
+      journalPath,
+      path,
+      database,
+      "rollback journal",
+      selectedFileSystem,
+    );
+    const before = [database, wal, journal] as const;
+    const selectedSize = database.size + (wal?.size ?? 0n);
+    if (selectedSize > BigInt(SQLITE_DATABASE_LIMITS.inputBytes))
+      throw new AnalysisResourceConstraintError(
+        "inspect_sqlite_database",
+        "file-size",
+        `Selected SQLite database and WAL total ${selectedSize.toString()} bytes, exceeding the combined ${String(SQLITE_DATABASE_LIMITS.inputBytes)}-byte offline snapshot budget: ${path}`,
+        {
+          sqlite_snapshot_input_bytes: SQLITE_DATABASE_LIMITS.inputBytes,
+          observed_sqlite_snapshot_input_bytes: selectedSize.toString(),
+        },
+        {
+          remediationAction: `Use the application's supported export workflow to create a consistent, smaller offline SQLite snapshot containing only the relevant data, then inspect that snapshot. REA will not truncate or modify the selected source. The combined input allowance is ${String(SQLITE_DATABASE_LIMITS.inputBytes)} bytes. This release has no runtime override. worker_timeout_ms does not raise it.`,
+        },
+      );
+    if (journal !== null)
+      await verifyInactiveJournal(
+        `${path}-journal`,
+        journal,
+        selectedFileSystem,
+        resourceScope,
+        "initial",
+        signal,
+      );
+    const snapshotPath = join(root, "database.snapshot");
+    const captured = await readMember(
+      "database",
+      database,
+      SQLITE_DATABASE_LIMITS.inputBytes,
+    );
+    await writeFile(snapshotPath, captured.bytes, {
       flag: "wx",
       mode: 0o600,
       ...(signal === undefined ? {} : { signal }),
     });
-    walArtifact = {
-      path: `${path}-wal`,
-      sha256: capturedWal.sha256,
-      bytes: capturedWal.bytes.length,
+    const artifact = {
+      path,
+      sha256: captured.sha256,
+      bytes: captured.bytes.length,
     };
-  }
-  // Identity alone does not establish an inactive journal when timestamps are
-  // coarse. Re-read the header after copying, using the same validity owner.
-  if (journal !== null)
-    await verifyInactiveJournal(
-      `${path}-journal`,
-      journal,
-      selectedFileSystem,
-      resourceScope,
-      "after-copy",
-      signal,
-    );
-  const after = await Promise.all(
-    paths.map((path) =>
-      duringAcquisition(path, () => optionalStat(path, selectedFileSystem)),
-    ),
-  );
-  for (const [index, expected] of before.entries())
-    if (!sameState(expected, after[index] ?? null))
-      throw new ArtifactReaderFailure(
-        "integrity",
-        `SQLite snapshot file set changed during acquisition: ${paths[index] ?? path}`,
+    let walArtifact: typeof artifact | null = null;
+    if (wal !== null) {
+      const capturedWal = await readMember(
+        "wal",
+        wal,
+        SQLITE_DATABASE_LIMITS.inputBytes - artifact.bytes,
       );
-  assertArtifactReadActive(signal);
-  return { snapshotPath, artifact, wal: walArtifact };
+      await writeFile(`${snapshotPath}-wal`, capturedWal.bytes, {
+        flag: "wx",
+        mode: 0o600,
+        ...(signal === undefined ? {} : { signal }),
+      });
+      walArtifact = {
+        path: `${path}-wal`,
+        sha256: capturedWal.sha256,
+        bytes: capturedWal.bytes.length,
+      };
+    }
+    // Identity alone does not establish an inactive journal when timestamps are
+    // coarse. Re-read the header after copying, using the same validity owner.
+    if (journal !== null)
+      await verifyInactiveJournal(
+        `${path}-journal`,
+        journal,
+        selectedFileSystem,
+        resourceScope,
+        "after-copy",
+        signal,
+      );
+    const after = await Promise.all(
+      paths.map((path) =>
+        duringAcquisition(path, () => optionalStat(path, selectedFileSystem)),
+      ),
+    );
+    for (const [index, expected] of before.entries())
+      if (!sameState(expected, after[index] ?? null))
+        throw new ArtifactReaderFailure(
+          "integrity",
+          `SQLite snapshot file set changed during acquisition: ${paths[index] ?? path}`,
+        );
+    assertArtifactReadActive(signal);
+    return { snapshotPath, artifact, wal: walArtifact };
+  } catch (cause: unknown) {
+    if (completedMembers.length === 0) throw cause;
+    throw new SqliteSnapshotAcquisitionFailure(cause, completedMembers);
+  }
 };
diff --git a/tests/boundary/sqlite/sqliteDatabaseDescriptorCleanup.test.ts b/tests/boundary/sqlite/sqliteDatabaseDescriptorCleanup.test.ts
index 954a1e0bba..db5158c277 100644
--- a/tests/boundary/sqlite/sqliteDatabaseDescriptorCleanup.test.ts
+++ b/tests/boundary/sqlite/sqliteDatabaseDescriptorCleanup.test.ts
@@ -183,6 +183,16 @@ const serveInspection = async (
   return { output: JSON.parse(stdout) as unknown, exitCode: process.exitCode };
 };
 
+const expectedMember = async (role: string, path: string) => {
+  const bytes = await readFile(path);
+  return {
+    role,
+    path,
+    sha256: createHash("sha256").update(bytes).digest("hex"),
+    bytes: bytes.length,
+  };
+};
+
 it.each(["database", "WAL", "journal"] as const)(
   "retains a failed %s descriptor and retries it at shutdown",
   async (member) => {
@@ -190,6 +200,7 @@ it.each(["database", "WAL", "journal"] as const)(
     const first = await selected.provider.inspect({
       path: selected.database.path,
     });
+    if (first.ok) throw new Error("Expected incomplete source cleanup");
     expect(first).toMatchObject({
       ok: false,
       error: {
@@ -197,6 +208,29 @@ it.each(["database", "WAL", "journal"] as const)(
         cleanupResources: [expect.stringContaining(selected.path)],
       },
     });
+    const sources =
+      member === "journal"
+        ? []
+        : [
+            { role: "database", path: selected.database.path },
+            ...(member === "WAL"
+              ? [{ role: "wal", path: selected.database.walPath }]
+              : []),
+          ];
+    const members = await Promise.all(
+      sources.map((source) => expectedMember(source.role, source.path)),
+    );
+    if (members.length > 0)
+      expect(
+        projectAnalysisError(first.error).details?.diagnostics,
+      ).toMatchObject({
+        snapshot_acquisition: { consistency: "unverified", members },
+      });
+    else
+      expect(
+        projectAnalysisError(first.error).details?.diagnostics,
+      ).not.toHaveProperty("snapshot_acquisition");
+    expect(first.error.partialObservation).toBeUndefined();
     const handle = descriptorCleanup.handles[0];
     if (handle === undefined)
       throw new Error("Expected owned source descriptor");
@@ -217,11 +251,46 @@ it.each(["database", "WAL", "journal"] as const)(
     await selected.provider.close();
     expect(descriptorCleanup.attempts).toBe(4);
     expect(handle.fd).toBe(-1);
+    if (members.length > 0)
+      expect(
+        projectAnalysisError(first.error).details?.diagnostics,
+      ).toMatchObject({
+        snapshot_acquisition: { consistency: "unverified", members },
+      });
     for (const root of selected.roots)
       await expect(access(root.path)).rejects.toMatchObject({ code: "ENOENT" });
   },
 );
 
+it("delivers individually completed database and WAL facts through CLI cleanup failure", async () => {
+  const selected = await fixture("WAL");
+  const members = await Promise.all([
+    expectedMember("database", selected.database.path),
+    expectedMember("wal", selected.database.walPath),
+  ]);
+  const result = await serveInspection(
+    selected.provider,
+    selected.database.path,
+  );
+  expect(result).toMatchObject({
+    exitCode: 1,
+    output: {
+      code: "cleanup_incomplete",
+      details: {
+        diagnostics: {
+          primary_error: {
+            details: {
+              diagnostics: {
+                snapshot_acquisition: { consistency: "unverified", members },
+              },
+            },
+          },
+        },
+      },
+    },
+  });
+});
+
 it.each(["EACCES", "EPERM"])(
   "retains the original %s inspection diagnostics through CLI shutdown",
   async (code) => {
@@ -604,6 +673,10 @@ it.each(["EACCES", "EPERM"])(
         diagnostics: { previous_error: { code: "access_denied" } },
       },
     });
+    if (result.ok) throw new Error("Expected physical source denial");
+    expect(
+      projectAnalysisError(result.error).details?.diagnostics,
+    ).not.toHaveProperty("snapshot_acquisition");
   },
 );
 
@@ -636,6 +709,15 @@ it.each(["database", "WAL", "journal"] as const)(
       _tag: "AnalysisCancelledError",
     });
     expect(result.error.cleanupPrimary?.cause).toBe(reason);
+    if (member === "WAL")
+      expect(
+        projectAnalysisError(result.error).details?.diagnostics,
+      ).toMatchObject({
+        snapshot_acquisition: {
+          consistency: "unverified",
+          members: [await expectedMember("database", selected.database.path)],
+        },
+      });
     for (const root of selected.roots)
       await expect(access(root.path)).rejects.toMatchObject({ code: "ENOENT" });
   },
diff --git a/tests/boundary/sqlite/sqliteDatabaseSnapshot.test.ts b/tests/boundary/sqlite/sqliteDatabaseSnapshot.test.ts
index cbefb2b2c5..5cfd3a6f8d 100644
--- a/tests/boundary/sqlite/sqliteDatabaseSnapshot.test.ts
+++ b/tests/boundary/sqlite/sqliteDatabaseSnapshot.test.ts
@@ -9,6 +9,7 @@ import {
   writeFile,
 } from "node:fs/promises";
 import { DatabaseSync } from "node:sqlite";
+import { createHash } from "node:crypto";
 import { expect, it, onTestFinished, vi } from "vitest";
 import { ArtifactResourceScope } from "../../../src/artifacts/ArtifactResourceScope.js";
 import type { StableArtifactFileSystem } from "../../../src/artifacts/readStableArtifact.js";
@@ -227,7 +228,8 @@ it.each(["activate", "replace", "remove"])(
       },
     };
     await expect(capture(fileSystem)).rejects.toMatchObject({
-      reason: "integrity",
+      _tag: "SqliteSnapshotAcquisitionFailure",
+      operationCause: { reason: "integrity" },
     });
   },
 );
@@ -252,7 +254,8 @@ it("refuses an activated journal even when filesystem metadata cannot distinguis
     },
   };
   await expect(capture(fileSystem)).rejects.toMatchObject({
-    reason: "integrity",
+    _tag: "SqliteSnapshotAcquisitionFailure",
+    operationCause: { reason: "integrity" },
   });
 });
 
@@ -276,7 +279,16 @@ it("rejects a database changed after its copy but before WAL acquisition", async
     },
   };
   await expect(capture(fileSystem)).rejects.toMatchObject({
-    reason: "integrity",
+    _tag: "SqliteSnapshotAcquisitionFailure",
+    operationCause: { reason: "integrity" },
+    completedMembers: expect.arrayContaining([
+      {
+        role: "database",
+        path: database.path,
+        sha256: createHash("sha256").update(initial).digest("hex"),
+        bytes: initial.length,
+      },
+    ]),
   });
   expect(changed).toBe(true);
   expect(
@@ -303,7 +315,8 @@ it.each(["-wal", "-journal"] as const)(
       },
     };
     await expect(capture(fileSystem)).rejects.toMatchObject({
-      reason: "integrity",
+      _tag: "SqliteSnapshotAcquisitionFailure",
+      operationCause: { reason: "integrity" },
     });
     expect(created).toBe(true);
   },