Make configuration truthful and clean remote session files

docs/roadmap/implementation.md

@@ -776,6 +776,8 @@ temporary paths within a command-scoped lifecycle.
 backend/recipient rejection, every remote-config exit path, cancellation, stale
 cleanup, and manifest inspection for ephemeral paths.
 
+**Status:** Completed.
+
 ## Stage 23 — Stream WhisperX uploads and make the adapter race-safe
 
 **Read first:** `audit-findings.md` lines 2254–2281 (COR-016), 3113–3156