Build from the selected module

docs/roadmap/implementation.md

@@ -418,6 +418,15 @@ identity for composites, empty targets, and partial failures. Confirm temporary
 outside the repository even with a nested selection and source-local `TMPDIR`.
 Run build and runtime-boundary tests.
 
+**Completed:** Standalone builds now resolve working-tree module identity once;
+candidate and managed delivery builds consume their committed identity and Go
+tool owner through the resolved build path. Normalized build settings are shared
+by execution and delivery evidence. Builds run from `ModuleDir`, use module-based
+output paths, and keep temporary native smoke output outside the repository.
+Verified nested native version output, a second cross target, dirty declarations,
+new uncommitted nested modules, empty targets, temporary-output fallback and
+cleanup, full `go test ./...`, `go run ./internal/apicheck`, and `git diff --check`.
+
 ## Stage 8: Deliver module-local notes and assets to full-tag pages
 
 **Outcome:** Page-only, managed-build, and API prebuilt delivery share committed