Record the test suite remediation results

docs/roadmap/features/0001-seriatim-source-installation.md

@@ -37,7 +37,8 @@ the current design from becoming an accidental suite-wide pattern.
   it at `/usr/local/bin/seriatim`.
 - Rebuild when the source checkout changes or the binary is absent.
 - Converge the installed binary to `root:root` ownership and mode `0755`.
-- Verify the installed version in repository-local integration tests.
+- Verify an explicitly selected immutable Seriatim version through the native
+  CLI in repository-local integration tests.
 - Keep the role interface, README, metadata, and focused local tests consistent
   with the simplified behavior.
 - Remove obsolete build-state files and implementation machinery from the
@@ -213,7 +214,8 @@ used as templates for another role.
 - Detect arbitrary binary modification independently of reported version.
 - Protect or recover from unexpected symbolic links and malformed managed
   paths.
-- Add dedicated Ubuntu release and architecture test matrices.
+- Add broader Ubuntu release and architecture test coverage only if future
+  platform behavior warrants it.
 
 These are candidates for separately selected features if operational
 experience or a changed threat model justifies them.