desktop: services/api.service.ts — HTTP client for REST endpoints matching backend

desktop/src/app/services/api.service.ts

@@ -0,0 +1,64 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+
+export interface Session {
+  id: string;
+  status: 'waiting' | 'active' | 'disconnected';
+  created_at: string;
+  display_active: boolean;
+  audio_active: boolean;
+  resolution: string | null;
+  metadata: Record<string, string>;
+}
+
+export interface ApiResponse<T> {
+  ok: boolean;
+  data: T | null;
+  error: string | null;
+}
+
+export interface HealthInfo {
+  status: string;
+  uptime_secs: number;
+  active_sessions: number;
+  connected_agents: number;
+  version: string;
+}
+
+@Injectable({ providedIn: 'root' })
+export class ApiService {
+  private baseUrl = '/api';
+
+  constructor(private http: HttpClient) {}
+
+  /** GET /api/health */
+  getHealth(): Observable<ApiResponse<HealthInfo>> {
+    return this.http.get<ApiResponse<HealthInfo>>(`${this.baseUrl}/health`);
+  }
+
+  /** GET /api/sessions */
+  listSessions(): Observable<ApiResponse<Session[]>> {
+    return this.http.get<ApiResponse<Session[]>>(`${this.baseUrl}/sessions`);
+  }
+
+  /** POST /api/sessions */
+  createSession(): Observable<ApiResponse<Session>> {
+    return this.http.post<ApiResponse<Session>>(`${this.baseUrl}/sessions`, {});
+  }
+
+  /** GET /api/sessions/:id */
+  getSession(id: string): Observable<ApiResponse<Session>> {
+    return this.http.get<ApiResponse<Session>>(`${this.baseUrl}/sessions/${id}`);
+  }
+
+  /** DELETE /api/sessions/:id */
+  deleteSession(id: string): Observable<ApiResponse<string>> {
+    return this.http.delete<ApiResponse<string>>(`${this.baseUrl}/sessions/${id}`);
+  }
+
+  /** POST /api/sessions/:id/hud — forward a HUD command to the agent. */
+  sendHudCommand(sessionId: string, command: string, params: Record<string, unknown> = {}): Observable<ApiResponse<string>> {
+    return this.http.post<ApiResponse<string>>(`${this.baseUrl}/sessions/${sessionId}/hud`, { command, params });
+  }
+}