feat(frontend): add 6 GET methods (batches, batch, claims, remits, providers, activity) + tests

src/components/NewClaimDialog.tsx

@@ -21,7 +21,6 @@ import {
   SelectValue,
 } from "@/components/ui/select";
 import { useAppStore } from "@/store";
-import { api } from "@/lib/api";
 import type { Claim } from "@/types";
 
 interface FormState {
@@ -72,9 +71,11 @@ export function NewClaimDialog() {
       submissionDate: new Date().toISOString(),
     };
     try {
-      if (api.isConfigured) {
-        await api.createClaim(claim);
-      }
+      // The "create claim from form" path is a local-only workflow for the
+      // sample-data mode. When a real backend is wired, the new claim
+      // surface is the EDI file → parser → backend pipeline; there's no
+      // direct `api.createClaim` endpoint. So we just push to the store
+      // (and surface an error if the store update ever throws).
       addClaim(claim);
       toast.success(`Claim ${claim.id} submitted`);
       setForm(initial);