fix: normalize staged artifact paths on windows

Author: jonathansantilli

src/scan-target/helpers.ts

@@ -58,7 +58,7 @@ export function sanitizePathSegment(value: string): string {
 
 export function preserveTailSegments(pathname: string, count: number): string {
   const segments = pathname
-    .split("/")
+    .split(/[\\/]+/u)
     .filter((segment) => segment.length > 0)
     .map((segment) => sanitizePathSegment(segment));
   if (segments.length === 0) {

tests/scan-target-helpers.test.ts

@@ -8,6 +8,7 @@ import {
   inferToolFromReportPath,
   isLikelyGitRepoUrl,
   parseGitHubFileSource,
+  preserveTailSegments,
   shouldStageContainingFolder,
 } from "../src/scan-target/helpers";
 
@@ -63,6 +64,12 @@ describe("scan target helpers", () => {
     expect(shouldStageContainingFolder("/tmp/repo/README.md")).toBe(false);
   });
 
+  it("preserves trailing path segments for Windows-style paths", () => {
+    expect(
+      preserveTailSegments("D:\\tmp\\repo\\skills\\security-review", 2).replaceAll("\\", "/"),
+    ).toBe("skills/security-review");
+  });
+
   it("infers formats and tools for explicit artifact candidates", () => {
     expect(inferTextLikeFormat("skills/demo/SKILL.md")).toBe("markdown");
     expect(inferTextLikeFormat(".cursor/rules/review.mdc")).toBe("markdown");