fix: prepare Tend preview 2

Publish the reviewed version identity fix and mark preview 1 withdrawn.\n\nPrivate-Source-Commit: 9907afdfa18099ac488fe4011291ea454036435a\nPrivate-Source-Tree: 3a5e666dd6a0c69a07f7804612c8e3dc3474966a\nHimesan-Output-Permission: v1.0\nAI-Assistance: OpenAI Codex assisted implementation and review.

Signed-off-by: Cole Speelman <crspeelman@gmail.com>

RELEASE.md

@@ -1,6 +1,6 @@
 # Preview release policy
 
-`v0.1.0-preview.1` may be published only after one identical candidate Tend
+`v0.1.0-preview.2` may be published only after one identical candidate Tend
 binary has successfully completed maintenance releases for Gamertan and the
 Sandwich Hime website, including injected-failure restoration and explicit
 rollback proof. The August 14, 2026 campaign met that gate; the scoped,
@@ -19,6 +19,12 @@ The release tag and attached candidate must be built from the final reviewed
 source commit. Documentation-only changes after the recorded campaign require
 one final identical-candidate maintenance pass before tagging.
 
+`v0.1.0-preview.1` is immutable but withdrawn: its source and module checksums
+are valid, while a fresh `go install` reports the development identity because
+the CLI did not yet adopt the tagged module version from Go build information.
+Preview 2 adds that identity path and its regression tests; preview 1 is never
+retagged or rewritten.
+
 The canonical public origin is `ssh://git@gitea.speelman.ca:2222/gamertan/tend.git`.
 GitHub is a read-only discovery snapshot. Private development history is not
 published or merged into either public history.