chore: initialize from frontend template 4dc033c

src/features/installed-contract-contributions.ts

@@ -0,0 +1,27 @@
+import {
+  composeContractContributions,
+  type InstalledContractContribution,
+  type InstalledContractPackageIdentity,
+} from "../contracts/external-contract-runtime.ts";
+import { REFERENCE_FEATURE_TEMPLATE_CONTRIBUTION } from "./reference-feature/contracts/reference-feature-contract-contribution.ts";
+
+/**
+ * §4.8. Static contract selection SSOT.
+ *
+ * A product feature adds exactly one entry per service package here and imports
+ * the generated package only from
+ * `src/features/<feature>/contracts/<service>-contract-contribution.ts`.
+ */
+export const INSTALLED_CONTRACT_CONTRIBUTIONS: readonly InstalledContractContribution[] =
+  Object.freeze([REFERENCE_FEATURE_TEMPLATE_CONTRIBUTION]);
+
+export const COMPOSED_CONTRACT_CONTRIBUTIONS = composeContractContributions(
+  INSTALLED_CONTRACT_CONTRIBUTIONS,
+);
+
+/**
+ * §5.4. `TEMPLATE_FIXTURE` provenance is filtered out before the contract set
+ * is canonicalized, so a fixture can never influence the release digest.
+ */
+export const EXPECTED_CONTRACT_SET_PACKAGES: readonly InstalledContractPackageIdentity[] =
+  COMPOSED_CONTRACT_CONTRIBUTIONS.externalPackages;