feat: add removable reference feature vertical slice

tests/unit/navigation-policy.test.js

@@ -1,126 +1,35 @@
 import { describe, expect, it } from "vitest";
 
+import {
+  NAVIGATION_ROUTES,
+  ROUTE_REGISTRY,
+} from "../../src/features/installed-feature-contracts.js";
 import {
   createRedirectLoopGuard,
   decideRouteAccess,
 } from "../../src/presentation/routes/navigation-policy.js";
-import {
-  NAVIGATION_ROUTES,
-  ROUTE_REGISTRY,
-} from "../../src/contracts/routes.js";
-
-describe("route registry", () => {
-  it("matches the stable registry snapshot", () => {
-    expect(ROUTE_REGISTRY).toMatchInlineSnapshot(`
-      {
-        "APP_HOME": {
-          "access": "public",
-          "chunkId": "route-home",
-          "errorSurface": "route-boundary",
-          "loadingSurface": "app-shell",
-          "navigationLabel": "시작",
-          "navigationOrder": 10,
-          "paramsSchema": null,
-          "path": "/",
-          "routeId": "APP_HOME",
-          "searchSchema": null,
-          "title": "시작",
-        },
-        "EXAMPLES_AUTH": {
-          "access": "public",
-          "chunkId": "route-examples-auth",
-          "errorSurface": "route-boundary",
-          "loadingSurface": "example-page",
-          "navigationLabel": "인증 연동",
-          "navigationOrder": 40,
-          "paramsSchema": null,
-          "path": "/examples/auth",
-          "routeId": "EXAMPLES_AUTH",
-          "searchSchema": null,
-          "title": "인증 연동",
-        },
-        "EXAMPLES_STATES": {
-          "access": "public",
-          "chunkId": "route-examples-states",
-          "errorSurface": "route-boundary",
-          "loadingSurface": "example-page",
-          "navigationLabel": "화면 상태",
-          "navigationOrder": 30,
-          "paramsSchema": null,
-          "path": "/examples/states",
-          "routeId": "EXAMPLES_STATES",
-          "searchSchema": null,
-          "title": "화면 상태",
-        },
-        "EXAMPLES_UI": {
-          "access": "public",
-          "chunkId": "route-examples-ui",
-          "errorSurface": "route-boundary",
-          "loadingSurface": "example-page",
-          "navigationLabel": "UI 구성요소",
-          "navigationOrder": 20,
-          "paramsSchema": null,
-          "path": "/examples/ui",
-          "routeId": "EXAMPLES_UI",
-          "searchSchema": null,
-          "title": "UI 구성요소",
-        },
-        "NOT_FOUND": {
-          "access": "public",
-          "chunkId": "route-not-found",
-          "errorSurface": "not-found",
-          "loadingSurface": "none",
-          "navigationLabel": null,
-          "navigationOrder": null,
-          "paramsSchema": "NotFoundSplat",
-          "path": "*",
-          "routeId": "NOT_FOUND",
-          "searchSchema": null,
-          "title": "페이지를 찾을 수 없음",
-        },
-        "SAMPLE_RESOURCE_LIST": {
-          "access": "integration-defined",
-          "chunkId": "route-sample-resources",
-          "errorSurface": "feature-boundary",
-          "loadingSurface": "sample-resource-list",
-          "navigationLabel": "보호된 연동 지점",
-          "navigationOrder": 50,
-          "paramsSchema": null,
-          "path": "/sample/resources",
-          "routeId": "SAMPLE_RESOURCE_LIST",
-          "searchSchema": "SampleResourceListQuery",
-          "title": "보호된 연동 지점",
-        },
-      }
-    `);
-  });
 
+describe("installed route registry", () => {
   it("derives visible navigation in explicit order", () => {
-    expect(NAVIGATION_ROUTES.map(({ routeId }) => routeId)).toEqual([
-      "APP_HOME",
-      "EXAMPLES_UI",
-      "EXAMPLES_STATES",
-      "EXAMPLES_AUTH",
-      "SAMPLE_RESOURCE_LIST",
-    ]);
+    const expected = Object.values(ROUTE_REGISTRY)
+      .filter((route) => route.navigationOrder !== null)
+      .sort(
+        (left, right) =>
+          /** @type {number} */ (left.navigationOrder) -
+          /** @type {number} */ (right.navigationOrder),
+      )
+      .map((route) => route.routeId);
+    expect(NAVIGATION_ROUTES.map(({ routeId }) => routeId)).toEqual(expected);
   });
 
-  it("treats client access as a UX hint, not authorization", () => {
+  it("allows public routes without consulting a product permission", () => {
     expect(decideRouteAccess("APP_HOME", "unauthenticated")).toEqual({
       allowed: true,
       action: "none",
     });
-    expect(decideRouteAccess("SAMPLE_RESOURCE_LIST", "unauthenticated")).toEqual({
-      allowed: false,
-      action: "show-sign-in",
-    });
-    expect(decideRouteAccess("SAMPLE_RESOURCE_LIST", "authenticated")).toEqual({
-      allowed: true,
-      action: "none",
-    });
   });
 
-  it("allows at most one automatic redirect per source-target pair", () => {
+  it("bounds automatic redirects by pair and maximum hops", () => {
     const guard = createRedirectLoopGuard(2);
     expect(guard.allow("/private", "/signin")).toBe(true);
     expect(guard.allow("/private", "/signin")).toBe(false);