feat: add removable reference feature vertical slice

src/bootstrap/composition-root.js

@@ -16,7 +16,8 @@ import { createApplication } from "../application/create-application.js";
  *     release: Release
  *   }): Promise<{
  *     outputPorts: OutputPorts,
- *     infrastructure: Infrastructure
+ *     infrastructure: Infrastructure,
+ *     featureInputs?: Readonly<Record<string, unknown>>
  *   }>
  * }} factories
  * @returns {Promise<Readonly<{
@@ -30,7 +31,10 @@ export async function createCompositionRoot(factories) {
   const config = await factories.loadConfig();
   const release = await factories.loadRelease(config);
   const adapters = await factories.createAdapters({ config, release });
-  const application = createApplication(adapters.outputPorts);
+  const application = createApplication(
+    adapters.outputPorts,
+    adapters.featureInputs,
+  );
 
   return Object.freeze({
     config,

src/bootstrap/runtime-adapters.js

@@ -10,6 +10,7 @@ import {
 import { createBrowserStorageAdapter } from "../adapters/storage/browser-storage-adapter.js";
 import { createTelemetryAdapter } from "../adapters/telemetry/best-effort-telemetry.js";
 import { fetchReleaseManifest } from "./load-release-manifest.js";
+import { createInstalledFeatureInputs } from "../features/installed-feature-adapters.js";
 
 /**
  * @param {Record<string, unknown>} host
@@ -54,7 +55,7 @@ function storageOrUndefined(value) {
  *   scheduler?: Parameters<typeof createHttpClient>[0]["scheduler"]
  * }} context
  */
-export function createRuntimeHttpClient(context) {
+export function createRuntimeHttpClient(context, contract = {}) {
   return createHttpClient({
     baseUrl: context.runtime.config.API_BASE_URL,
     timeoutMs: context.runtime.config.REQUEST_TIMEOUT_MS,
@@ -63,6 +64,7 @@ export function createRuntimeHttpClient(context) {
     fetcher: context.fetcher,
     clock: context.clock,
     scheduler: context.scheduler,
+    ...contract,
   });
 }
 
@@ -116,6 +118,17 @@ export async function createRuntimeAdapters(context) {
       location.reload();
     },
   });
+  const featureInputs = createInstalledFeatureInputs({
+    createHttpClient: (contract) =>
+      createRuntimeHttpClient(
+        {
+          runtime: context.runtime,
+          authSession,
+          fetcher: context.fetcher,
+        },
+        contract,
+      ),
+  });
 
   return Object.freeze({
     outputPorts: Object.freeze({
@@ -128,5 +141,6 @@ export async function createRuntimeAdapters(context) {
     infrastructure: Object.freeze({
       queryClient,
     }),
+    featureInputs,
   });
 }