feat: cash-only registers, day book sections and DD amendments

src/app/sponsor-dd/sponsor-dd.service.ts

@@ -49,6 +49,18 @@ export class SponsorDDService {
     return this.http.get<any>(`/sponsordd/leaflets/by-number/${ddNumber}`);
   }
 
+  getNextAvailableLeaflet(branchId?: number, sponsorBankId?: number, inventoryId?: number): Observable<any> {
+    const params: any = {};
+    if (branchId) params.branchId = branchId;
+    if (sponsorBankId) params.sponsorBankId = sponsorBankId;
+    if (inventoryId) params.inventoryId = inventoryId;
+    return this.http.get<any>('/sponsordd/leaflets/next-available', { params });
+  }
+
+  getSponsorBanks(): Observable<any[]> {
+    return this.http.get<any[]>('/sponsorbanks');
+  }
+
   // ── Actions ──
   issueDemandDraft(
     leafletId: number,
@@ -102,6 +114,7 @@ export class SponsorDDService {
       chequeNumber?: string;
       chequeBankName?: string;
       cashierDepositRequestId?: number;
+      denominationData?: string;
     }
   ): Observable<any> {
     return this.http.post<any>(`/sponsordd/leaflets/${leafletId}/issue-request`, data);
@@ -205,6 +218,35 @@ export class SponsorDDService {
     return this.http.post<any>(`/sponsordd/reprint-requests/${id}/reject`, { rejectionReason });
   }
 
+  // ── DD amendment requests (maker-checker) ──
+  // Correcting an issued draft's beneficiary, or the branch and city it is payable at. Nothing else
+  // is amendable: the money behind the face value has already moved, so a draft wrong in that way
+  // is cancelled and re-issued rather than edited.
+
+  /**
+   * Maker step. A field left blank keeps what the draft already carries, so correcting only the
+   * city does not mean retyping the beneficiary and risking a second mistake.
+   */
+  requestDdAmendment(
+    leafletId: number,
+    changes: { beneficiaryName?: string; payableAtBranch?: string; payableAtCity?: string; reason: string }
+  ): Observable<any> {
+    return this.http.post<any>(`/sponsordd/leaflets/${leafletId}/amendment-request`, changes);
+  }
+
+  getAllAmendmentRequests(status?: string): Observable<any[]> {
+    const params = status ? { status } : {};
+    return this.http.get<any[]>('/sponsordd/amendment-requests', { params });
+  }
+
+  approveAmendmentRequest(id: number): Observable<any> {
+    return this.http.post<any>(`/sponsordd/amendment-requests/${id}/approve`, {});
+  }
+
+  rejectAmendmentRequest(id: number, rejectionReason: string): Observable<any> {
+    return this.http.post<any>(`/sponsordd/amendment-requests/${id}/reject`, { rejectionReason });
+  }
+
   // ── Approver signature (stamped onto the printed DD) ──
   // Reuses Fineract's generic document-attachment API (entityType is a free-form string with
   // no per-type backend wiring required) rather than building dedicated signature storage.