chore: remove sample portfolio module

CLAUDE.md

@@ -21,9 +21,9 @@ If this summary drifts from `AGENTS.md`, `AGENTS.md` wins and this summary must
 
 ## Gradle policy authorities
 
-- `src/config/architecture/modules.json`: exactly 19 leaf identities, repository-relative source
+- `src/config/architecture/modules.json`: exactly 18 leaf identities, repository-relative source
   paths, Gradle paths, allowed production project dependency edges, and the exact runtime
-  memberships of both composition roots.
+  membership of the production composition root.
 - `src/settings.gradle`: fail-closed registry validation, project inclusion, and directory mapping.
 - `src/build.gradle`: `verifyCleanArchitectureDependencies` and the other architecture-wide
   verification tasks.
@@ -43,7 +43,7 @@ count.
 
 ## Module families
 
-`src/config/architecture/modules.json` owns the complete 19-leaf list. Root guidance summarizes
+`src/config/architecture/modules.json` owns the complete 18-leaf list. Root guidance summarizes
 families; the nearest `src/**/CLAUDE.md` owns local rules.
 
 | Family | Responsibility | Stable dependency direction |
@@ -54,7 +54,6 @@ families; the nearest `src/**/CLAUDE.md` owns local rules.
 | `adapter:outbound:persistence-*` | JPA/PostgreSQL and MongoDB persistence adapters | application/domain/shared contracts as registered |
 | `adapter:outbound:*` | support, messaging, cache, notification, storage, file, HTTP client, identifier capabilities | application/domain/shared and registered support edge |
 | `shared-contract` | Skeleton-wide operational contracts | Java stdlib only |
-| `sample-portfolio` | Fixture/reference consumer | registered runtime leaves; never a production dependency |
 | `app-bootstrap` | Spring Boot entrypoint and composition root | registered runtime leaves |
 
 Never infer an individual leaf's Gradle path, allowed dependency, or test command from this table.