refactor: reach adapter groups through their barrel

bootstrap과 feature 어댑터가 어댑터 내부 파일을 직접 겨누던 15곳을 그룹
배럴로 바꾼다. 커널(platform/**) 간선과 그룹 내부 import는 파일 경로를
유지한다 — check:adapter-inventory가 그 경로를 직접 검증한다.

번들 영향 없음: 초기 JS가 도입 전후 모두 181114 gzip bytes로 동일하다.
sideEffects 선언 없이도 재수출이 트리셰이킹된다.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/bootstrap/main.tsx

@@ -1,6 +1,6 @@
 import { createRoot } from "react-dom/client";
 
-import { recordBootFailure } from "../adapters/diagnostics/bounded-diagnostics.ts";
+import { recordBootFailure } from "../adapters/diagnostics/index.ts";
 import { BootErrorShell } from "../presentation/boundaries/boot-error-shell.tsx";
 import "../presentation/styles/theme.css";
 import { createRuntimeComposition } from "./create-runtime-composition.ts";

src/bootstrap/optional-runtime-host.ts

@@ -1,7 +1,7 @@
 import {
   createBrowserLifecycleRuntime,
   type BrowserLifecycleRuntime,
-} from "../adapters/platform/browser-lifecycle.ts";
+} from "../adapters/platform/index.ts";
 import type {
   ResolvedRuntimeCapabilities,
   RuntimeHealth,

src/bootstrap/register-service-worker.ts

@@ -2,7 +2,7 @@ import type {
   ResolvedRuntimeCapabilities,
 } from "../contracts/runtime-capabilities.ts";
 import type { ServiceWorkerRuntimeHost } from "../contracts/service-worker.ts";
-import { createServiceWorkerPageController } from "../adapters/service-worker/service-worker-page-controller.ts";
+import { createServiceWorkerPageController } from "../adapters/service-worker/index.ts";
 
 /**
  * §17.5. Composition-side factory. The host object is created without any

src/bootstrap/runtime-adapters.ts

@@ -3,13 +3,13 @@ import {
   createExternalAuthSessionAdapter,
   createUnavailableSessionAdapter,
   type ExternalSessionOwner,
-} from "../adapters/auth/external-session-adapter.ts";
-import { createDiagnosticsAdapter } from "../adapters/diagnostics/bounded-diagnostics.ts";
-import { createHttpClient } from "../adapters/http/client.ts";
+} from "../adapters/auth/index.ts";
+import { createDiagnosticsAdapter } from "../adapters/diagnostics/index.ts";
 import {
   createContractHttpExecutor,
+  createHttpClient,
   type HttpExecutionObservation,
-} from "../adapters/http/http-execution-v3.ts";
+} from "../adapters/http/index.ts";
 import {
   attemptBucket,
   durationBucket,
@@ -19,14 +19,14 @@ import {
 import type { TelemetryEventName } from "../contracts/telemetry.ts";
 import { createBrowserCrossContextInvalidationFromHost } from "../adapters/cross-context-invalidation/index.ts";
 import {
+  createConditionalValidatorStore,
+  createQueryClient,
+  createServerStateScopeRuntime,
   createTanStackCacheCoordinator,
-} from "../adapters/query-cache/tanstack-cache-coordinator.ts";
-import { createQueryClient } from "../adapters/query-cache/tanstack-query-cache.ts";
-import { createServerStateScopeRuntime } from "../adapters/query-cache/server-state-scope-runtime.ts";
-import { createConditionalValidatorStore } from "../adapters/query-cache/conditional-validator-store.ts";
-import { createBrowserStorageAdapter } from "../adapters/storage/browser-storage-adapter.ts";
-import { createBrowserMutationIntentFactory } from "../adapters/platform/browser-mutation-intent-factory.ts";
-import { createTelemetryAdapter } from "../adapters/telemetry/best-effort-telemetry.ts";
+} from "../adapters/query-cache/index.ts";
+import { createBrowserStorageAdapter } from "../adapters/storage/index.ts";
+import { createBrowserMutationIntentFactory } from "../adapters/platform/index.ts";
+import { createTelemetryAdapter } from "../adapters/telemetry/index.ts";
 import type { AuthSessionPort } from "../application/ports/auth-session-port.ts";
 import type { ReleaseInfo } from "../application/ports/release-info-port.ts";
 import {

src/features/reference-feature/adapters/create-reference-feature-input.ts

@@ -6,7 +6,7 @@ import {
   createFailure,
   kindForStatus,
 } from "../../../contracts/errors.ts";
-import type { HttpExecutionOutcome } from "../../../adapters/http/http-execution-v3.ts";
+import type { HttpExecutionOutcome } from "../../../adapters/http/index.ts";
 import { createReferenceFeatureInput } from "../application/reference-feature-api.ts";
 import {
   REFERENCE_FEATURE_ID,