Preserve literal characters in shared file paths

docs/roadmap/remediation.md

@@ -267,7 +267,13 @@ reference-cycle, outside-checkout, unavailable-content, and source-tag guards.
 
 ## Issue 8: Preserve literal shared filenames (P2)
 
-Status: open. Category: unrequested path prohibition.
+Status: complete. Category: unrequested path prohibition.
+
+**Completion:** Shared selection preserves literal backslashes in committed Git
+paths. A Unix regression selects and reads such a file once despite duplicates;
+traversal, absolute paths, and directories remain invalid selections. Existing
+literal-metacharacter, missing/default/empty-list, scope, and lazy-input tests
+pass offline.
 
 **Evidence:** [`normalizeSharedFile`](../../internal/validation/tree.go) rejects
 every backslash. On Linux, a committed file named `docs/notice\copy.txt` is a