Treat incomplete remote tag observations as uncertain

docs/roadmap/implementation.md

@@ -64,7 +64,9 @@ reproducibility guarantees are part of this work.
 
 ## Stage 1: Finalize remote ref observations and verify recovery
 
-**Status:** pending.
+**Status:** complete. The Git query, public publication, and CLI publication
+regressions pass with the offline environment; the root `TestPublish` tests and
+the full `internal/git` package also pass.
 
 **Files:** `internal/git/remote.go`, `internal/git/tag.go`, their tests,
 `publish_test.go`, and a focused CLI publication test under `cmd/releasekit/`.