refactor(repo): consolidate openflare-server to root and move subprojects to internal/apps

- Merge all files inside openflare-server to the repository root directory.
- Relocate agent, relay, and flared subprojects from internal/ to internal/apps/.
- Combine docker-compose files and update build context paths to root.
- Update GitHub workflows and Dockerfiles to refer to new directories and package names.
- Rewrite Go package imports across all files.
- Resolve database renew test race condition and clean up docs.

frontend/lib/services/admin/auth-source.service.ts

@@ -0,0 +1,26 @@
+import {BaseService} from '@/lib/services/core';
+import type {AuthSource, AuthSourceRequest, ToggleAuthSourceRequest} from './types';
+
+export class AdminAuthSourceService extends BaseService {
+  protected static readonly basePath = '/api/v1/admin';
+
+  static async listAuthSources(): Promise<AuthSource[]> {
+    return this.get<AuthSource[]>('/auth-sources');
+  }
+
+  static async createAuthSource(request: AuthSourceRequest): Promise<AuthSource> {
+    return this.post<AuthSource>('/auth-sources', request);
+  }
+
+  static async updateAuthSource(id: string, request: AuthSourceRequest): Promise<AuthSource> {
+    return this.put<AuthSource>(`/auth-sources/${id}`, request);
+  }
+
+  static async toggleAuthSource(id: string, request: ToggleAuthSourceRequest): Promise<void> {
+    return this.put<void>(`/auth-sources/${id}/toggle`, request);
+  }
+
+  static async deleteAuthSource(id: string): Promise<void> {
+    return this.delete<void>(`/auth-sources/${id}`);
+  }
+}