feat(sp7): MatchedRemitCard — line-count badge

src/types/index.ts

@@ -537,6 +537,13 @@ export interface ClaimDetailMatchedRemittance {
   /** Mirrors the same `"received" | "reconciled"` mapping as the list endpoint. */
   status: string;
   receivedAt: string; // ISO Z
+  /**
+   * SP7: per-line counts for the badge. Optional for backward
+   * compatibility — older claim-detail responses (pre-SP7) won't have
+   * these fields. The card omits the badge when undefined.
+   */
+  matchedLines?: number;
+  totalLines?: number;
 }
 
 export interface ClaimDetailStateHistoryEvent {