feat(investment): interest voucher posting UI, home pending alert and day-end reminder

src/app/investment/investment.service.ts

@@ -175,6 +175,19 @@ export class InvestmentService {
   }
 
   /** Coupon and 31 Mar / 30 Sep provision lines of a holding up to maturity (calculated, not posted). */
+  /** Interest lines of all holdings that are due now or within the next few days. */
+  getDueInterest(): Observable<InvestmentInterestDueDto[]> {
+    return this.http.get<InvestmentInterestDueDto[]>('/investment/interest-postings/due');
+  }
+
+  /** Posts one interest line (coupon / provision) with its JV voucher; the voucher number comes back as resourceIdentifier. */
+  postInterest(purchaseId: number, body: object): Observable<{ resourceIdentifier?: string; transactionId?: string }> {
+    return this.http.post<{ resourceIdentifier?: string; transactionId?: string }>(
+      `/investment/purchases/${purchaseId}/interest-postings`,
+      body
+    );
+  }
+
   getInterestSchedule(purchaseId: number, asOnDate?: string): Observable<InvestmentInterestScheduleDto> {
     const params = asOnDate ? `?asOnDate=${encodeURIComponent(asOnDate)}` : '';
     return this.http.get<InvestmentInterestScheduleDto>(
@@ -347,6 +360,30 @@ export interface InvestmentInterestRowDto {
   alreadyBooked: number;
   amount: number;
   due: boolean;
+  /** Posted to GL: its JV voucher and GL transaction. */
+  posted: boolean;
+  voucherNo?: string;
+  glTransactionId?: string;
+  postedOnDate?: string;
+  /** The next line to post and its date has come. */
+  postable: boolean;
+  /** Unposted and due within the reminder window (or past). */
+  dueSoon: boolean;
+}
+
+/** A holding's next interest line that is due (or due within the reminder window) — a task to post. */
+export interface InvestmentInterestDueDto {
+  purchaseId: number;
+  dealNo: string;
+  certNo: string;
+  scriptCode: string;
+  scriptDesc: string;
+  lineType: 'COUPON' | 'PROVISION';
+  intDate: string;
+  grossInterest: number;
+  amount: number;
+  postable: boolean;
+  overdue: boolean;
 }
 
 export interface InvestmentInterestScheduleDto {
@@ -369,6 +406,10 @@ export interface InvestmentInterestScheduleDto {
   asOnDate: string;
   interestGlCode: string;
   interestGlName: string;
+  bankGlAccountId: number;
+  bankGlCode: string;
+  bankGlName: string;
+  status: string;
   rows: InvestmentInterestRowDto[];
 }