diff --git a/scripts/security-review.mjs b/scripts/security-review.mjs
index 06d0db7f5..6edc328b1 100644
--- a/scripts/security-review.mjs
+++ b/scripts/security-review.mjs
@@ -177,6 +177,8 @@ for (const file of jstsFiles) {
 //
 // Excluded paths: append-only memory/log files that document history and prohibitions.
 // These are never executed — they record what happened, not what to do.
+// Rotated agent history archives inherit the same exclusion because they contain
+// the same prose as the active history.md file.
 // Instruction surfaces (.github/copilot-instructions.md, agent charters, squad.agent.md,
 // team.md, routing.md) are deliberately kept in scope: a malicious PR could replace a
 // prohibition with an instruction, and we want the scanner to catch that.
@@ -185,6 +187,7 @@ for (const file of jstsFiles) {
 const UNSAFE_GIT_EXCLUDED_PATHS = [
   /^\.squad\/decisions\.md$/,
   /^\.squad\/agents\/.+\/history\.md$/,
+  /^\.squad\/agents\/[^/]+\/history-archive-.+\.md$/,
   /^\.squad\/log\//,
   /^\.squad\/orchestration-log\//,
 ];
diff --git a/test/scripts/security-review.test.ts b/test/scripts/security-review.test.ts
new file mode 100644
index 000000000..412419ba8
--- /dev/null
+++ b/test/scripts/security-review.test.ts
@@ -0,0 +1,81 @@
+import { describe, it, expect, beforeEach, afterEach } from 'vitest';
+import { execFileSync } from 'node:child_process';
+import { mkdirSync, rmSync, writeFileSync } from 'node:fs';
+import { randomBytes } from 'node:crypto';
+import { dirname, join, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const repoRoot = resolve(__dirname, '..', '..');
+const scriptPath = join(repoRoot, 'scripts', 'security-review.mjs');
+const testRoot = join(repoRoot, `.test-security-review-${process.pid}-${randomBytes(4).toString('hex')}`);
+
+function git(cwd: string, args: string[]) {
+  return execFileSync('git', args, { cwd, encoding: 'utf-8', stdio: ['pipe', 'pipe', 'pipe'] });
+}
+
+function runSecurityReview(filePath: string, content: string) {
+  const workdir = join(testRoot, randomBytes(4).toString('hex'));
+  mkdirSync(workdir, { recursive: true });
+
+  git(workdir, ['init']);
+  git(workdir, ['config', 'user.email', 'booster@example.test']);
+  git(workdir, ['config', 'user.name', 'Booster Test']);
+  writeFileSync(join(workdir, 'README.md'), '# base\n');
+  git(workdir, ['add', 'README.md']);
+  git(workdir, ['commit', '-m', 'base']);
+
+  const absolutePath = join(workdir, ...filePath.split('/'));
+  mkdirSync(dirname(absolutePath), { recursive: true });
+  writeFileSync(absolutePath, content);
+  git(workdir, ['add', filePath]);
+  git(workdir, ['commit', '-m', 'change']);
+
+  const output = execFileSync(process.execPath, [scriptPath, 'HEAD~1', 'HEAD'], {
+    cwd: workdir,
+    encoding: 'utf-8',
+    stdio: ['pipe', 'pipe', 'pipe'],
+  });
+  const [jsonText] = output.split(/\r?\n\r?\n/);
+  return JSON.parse(jsonText ?? output) as {
+    findings: Array<{ category: string; file: string }>;
+  };
+}
+
+beforeEach(() => {
+  rmSync(testRoot, { recursive: true, force: true });
+  mkdirSync(testRoot, { recursive: true });
+});
+
+afterEach(() => {
+  rmSync(testRoot, { recursive: true, force: true });
+});
+
+describe('security review unsafe git exclusions', () => {
+  // Assemble this so the scanner does not flag the fixture source; the resulting
+  // value must still match real unsafe-git prose and exercise detection.
+  const unsafeGitPhrase = [
+    'Agent history records mention git push ',
+    '--',
+    'force-with-lease as a past event.\n',
+  ].join('');
+
+  it('does not report unsafe git prose in rotated agent history archives', () => {
+    const result = runSecurityReview(
+      '.squad/agents/eecom/history-archive-2026-08-19T13-11-34.130-07-00.md',
+      unsafeGitPhrase,
+    );
+
+    expect(result.findings.some((finding) => finding.category === 'unsafe-git')).toBe(false);
+  });
+
+  it('still reports unsafe git prose in agent charters', () => {
+    const result = runSecurityReview('.squad/agents/eecom/charter.md', unsafeGitPhrase);
+
+    expect(
+      result.findings.some(
+        (finding) => finding.category === 'unsafe-git' && finding.file === '.squad/agents/eecom/charter.md',
+      ),
+    ).toBe(true);
+  });
+});