feat(1099): frontend models, API services, and permission module entry

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

APP/src/app/features/payee1099/services/payee1099-api.service.ts

@@ -0,0 +1,42 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { ApiConfigService } from '../../../core/services/api-config.service';
+import {
+  Payee1099ListItem, Payee1099, SavePayee1099Request,
+} from '../models/payee1099.model';
+
+@Injectable({ providedIn: 'root' })
+export class Payee1099ApiService {
+  private readonly endpoint: string;
+
+  constructor(private http: HttpClient, apiConfig: ApiConfigService) {
+    this.endpoint = apiConfig.getApiUrl('payee-1099');
+  }
+
+  getAll(includeInactive = false): Observable<Payee1099ListItem[]> {
+    return this.http.get<Payee1099ListItem[]>(this.endpoint, {
+      params: { includeInactive: String(includeInactive) },
+    });
+  }
+
+  getById(id: number): Observable<Payee1099> {
+    return this.http.get<Payee1099>(`${this.endpoint}/${id}`);
+  }
+
+  create(req: SavePayee1099Request): Observable<{ id: number }> {
+    return this.http.post<{ id: number }>(this.endpoint, req);
+  }
+
+  update(id: number, req: SavePayee1099Request): Observable<void> {
+    return this.http.put<void>(`${this.endpoint}/${id}`, req);
+  }
+
+  delete(id: number): Observable<void> {
+    return this.http.delete<void>(`${this.endpoint}/${id}`);
+  }
+
+  revealTin(id: number): Observable<{ tin: string | null }> {
+    return this.http.get<{ tin: string | null }>(`${this.endpoint}/${id}/tin`);
+  }
+}