feat(lanes): add a read-only feature picker to the Workspace page (B)

client/src/lib/api.ts

@@ -2013,8 +2013,26 @@ export const api = {
         method: "POST",
         body: JSON.stringify(body),
       }),
+    /**
+     * GET /api/lanes/:id/features — list all archived features for a lane.
+     * @param id The lane id.
+     * @returns `{ features }` — all {@link LaneFeature} records.
+     */
+    features: {
+      list: (id: number) =>
+        request<{ features: import("./types").LaneFeature[] }>(`/lanes/${id}/features`),
+      /**
+       * GET /api/lanes/:id/features/:slug — fetch an archived feature snapshot.
+       * @param id The lane id.
+       * @param slug The feature slug.
+       * @returns `{ feature }` — the {@link LaneFeature} record.
+       */
+      show: (id: number, slug: string) =>
+        request<{ feature: import("./types").LaneFeature }>(
+          `/lanes/${id}/features/${encodeURIComponent(slug)}`
+        ),
+    },
   },
-
   // ──────────────────────────────── Locks API ────────────────────────────────
   /** Named locks across all lanes: used for serialization and gating.
    *  Maps to `server/routes/locks.js`. */