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/openflare/config-version.service.ts

@@ -0,0 +1,55 @@
+import type {InternalAxiosRequestConfig} from 'axios';
+
+import {OpenFlareBaseService} from './base.service';
+import type {
+  ConfigDiffResult,
+  ConfigPreviewResult,
+  ConfigVersionCleanupPayload,
+  ConfigVersionCleanupResult,
+  ConfigVersionDetail,
+  ConfigVersionSummary,
+} from './types';
+
+export class ConfigVersionService extends OpenFlareBaseService {
+  protected static override readonly basePath: string = '/api/v1/d/config-versions';
+
+  static list(): Promise<ConfigVersionSummary[]> {
+    return this.get<ConfigVersionSummary[]>('/');
+  }
+
+  static getActive(): Promise<ConfigVersionDetail> {
+    return this.get<ConfigVersionDetail>('/active');
+  }
+
+  static preview(): Promise<ConfigPreviewResult> {
+    return this.get<ConfigPreviewResult>('/preview');
+  }
+
+  static diff(): Promise<ConfigDiffResult> {
+    return this.get<ConfigDiffResult>('/diff');
+  }
+
+  static getById(id: number): Promise<ConfigVersionDetail> {
+    return this.get<ConfigVersionDetail>(`/${id}`);
+  }
+
+  static publish(force?: boolean): Promise<ConfigVersionDetail> {
+    return this.post<ConfigVersionDetail>(
+      '/publish',
+      undefined,
+      force
+        ? ({ params: { force: true } } as InternalAxiosRequestConfig)
+        : undefined,
+    );
+  }
+
+  static activate(id: number): Promise<ConfigVersionDetail> {
+    return this.post<ConfigVersionDetail>(`/${id}/activate`);
+  }
+
+  static cleanup(
+    payload: ConfigVersionCleanupPayload,
+  ): Promise<ConfigVersionCleanupResult> {
+    return this.post<ConfigVersionCleanupResult>('/cleanup', payload);
+  }
+}