diff --git a/test/report-sanitizer.test.js b/test/report-sanitizer.test.js
new file mode 100644
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--- /dev/null
+++ b/test/report-sanitizer.test.js
@@ -0,0 +1,91 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+import { sanitizeReportArtifact } from "../src/report-sanitizer.js";
+
+test("returns the same report untouched when no absolute OpenClaw paths are present", () => {
+  const report = {
+    targetOpenClaw: { configuredPath: "../relative/openclaw", searchedPaths: ["also/relative"] },
+    issues: [{ title: "kept ../relative/openclaw" }],
+  };
+
+  const result = sanitizeReportArtifact(report);
+
+  // No absolute path => the original object is returned by reference, unmodified.
+  assert.equal(result, report);
+  assert.equal(result.targetOpenClaw.configuredPath, "../relative/openclaw");
+  assert.deepEqual(result.targetOpenClaw.searchedPaths, ["also/relative"]);
+  assert.equal(result.issues[0].title, "kept ../relative/openclaw");
+});
+
+test("does not mutate the input report and clones nested values", () => {
+  const report = {
+    targetOpenClaw: { configuredPath: "/home/user/openclaw", searchedPaths: [] },
+    issues: [{ evidence: ["/home/user/openclaw/logs"] }],
+  };
+
+  const result = sanitizeReportArtifact(report);
+
+  assert.notEqual(result, report);
+  // Input is left intact; only the returned clone is sanitized.
+  assert.equal(report.targetOpenClaw.configuredPath, "/home/user/openclaw");
+  assert.equal(report.issues[0].evidence[0], "/home/user/openclaw/logs");
+  assert.equal(result.targetOpenClaw.configuredPath, "<OPENCLAW_PATH>");
+  assert.equal(result.issues[0].evidence[0], "<OPENCLAW_PATH>/logs");
+});
+
+test("replaces the longest matching path first so nested paths never leak a suffix", () => {
+  const base = "/home/user/openclaw";
+  const nested = "/home/user/openclaw/extensions/telegram";
+  const report = {
+    targetOpenClaw: { configuredPath: base, searchedPaths: [nested] },
+    note: `loaded ${nested}/index.ts against ${base}`,
+  };
+
+  const result = sanitizeReportArtifact(report);
+
+  // Longest-first ordering is what prevents `${base}` from partially matching
+  // inside `${nested}` and leaving `/extensions/telegram` exposed.
+  assert.equal(result.note, "loaded <OPENCLAW_PATH>/index.ts against <OPENCLAW_PATH>");
+  assert.equal(result.targetOpenClaw.configuredPath, "<OPENCLAW_PATH>");
+  assert.deepEqual(result.targetOpenClaw.searchedPaths, ["<OPENCLAW_PATH>"]);
+});
+
+test("honors a custom openclawPathPlaceholder", () => {
+  const report = { targetOpenClaw: { configuredPath: "/srv/openclaw" }, note: "at /srv/openclaw" };
+
+  const result = sanitizeReportArtifact(report, { openclawPathPlaceholder: "[REDACTED]" });
+
+  assert.equal(result.targetOpenClaw.configuredPath, "[REDACTED]");
+  assert.equal(result.note, "at [REDACTED]");
+});
+
+test("detects Windows drive-letter and UNC absolute paths", () => {
+  const drivePath = "C:\\Users\\me\\openclaw";
+  const uncPath = "\\\\build-server\\share\\openclaw";
+  const report = {
+    targetOpenClaw: { configuredPath: drivePath, searchedPaths: [uncPath] },
+    note: `drive ${drivePath}\\logs and unc ${uncPath}\\logs`,
+  };
+
+  const result = sanitizeReportArtifact(report);
+
+  assert.equal(result.targetOpenClaw.configuredPath, "<OPENCLAW_PATH>");
+  assert.deepEqual(result.targetOpenClaw.searchedPaths, ["<OPENCLAW_PATH>"]);
+  assert.equal(result.note, "drive <OPENCLAW_PATH>\\logs and unc <OPENCLAW_PATH>\\logs");
+});
+
+test("ignores non-string and non-absolute searchedPaths entries", () => {
+  const report = {
+    targetOpenClaw: {
+      configuredPath: "/opt/openclaw",
+      searchedPaths: ["/opt/openclaw", "relative/openclaw", null, 42],
+    },
+    note: "found at /opt/openclaw but not relative/openclaw",
+  };
+
+  const result = sanitizeReportArtifact(report);
+
+  // Only the absolute string entries are sanitized; relative/non-string ones pass through.
+  assert.equal(result.note, "found at <OPENCLAW_PATH> but not relative/openclaw");
+  assert.equal(result.targetOpenClaw.configuredPath, "<OPENCLAW_PATH>");
+});