feat(parsers+api+ui): expose CARC-labeled CAS adjustments (SP3 P2)

src/types/index.ts

@@ -59,6 +59,24 @@ export interface Remittance {
   status: RemittanceStatus;
   denialReason?: string | null;
   validationWarnings?: string[];
+  /**
+   * Persisted CAS adjustment rows, labeled by the backend via the bundled
+   * CARC dictionary. Optional — the list endpoint omits it to keep the
+   * payload small; the detail endpoint (`/api/remittances/{id}`) populates it.
+   */
+  adjustments?: CasAdjustment[];
+}
+
+/**
+ * One Claim Adjustment Segment (CAS) row, labeled.
+ * Source: backend `cyclone.parsers.cas_codes.reason_label(group, reason)`.
+ */
+export interface CasAdjustment {
+  group: string;       // "CO", "PR", "OA", "PI", "CR"
+  reason: string;      // "45", "1", etc.
+  label: string;       // "Charge exceeds fee schedule"
+  amount: number;
+  quantity: number | null;
 }
 
 export interface Activity {