Refactor VPN proxy components and update related behavior

src/server/http/routes/serverApplyRoute.ts

@@ -5,18 +5,33 @@ import type { ConnectionService } from '../../features/connection/index.js';
 interface ServerApplyRouteDependencies {
   connection: Pick<ConnectionService, 'apply'>;
   readBody(req: IncomingMessage): Promise<Record<string, unknown>>;
-  withOperation<T>(kind: string, operation: () => Promise<T>): Promise<T>;
-  sendState(res: ServerResponse, extra: { serverId: string; selectedTag: string }): Promise<void>;
+  withOperation<T>(
+    kind: string,
+    operation: (operationRevision: number) => Promise<T>,
+    options?: { expectedRevision?: unknown; profileId?: unknown; serverId?: unknown },
+  ): Promise<T>;
+  sendState(res: ServerResponse, extra: { profileId: string; serverId: string; selectedTag: string }): Promise<void>;
 }
 
 export function createServerApplyRoute(dependencies: ServerApplyRouteDependencies) {
   return {
     async handle(req: IncomingMessage, res: ServerResponse) {
       if (req.method !== 'POST' || req.url !== '/api/apply') return false;
-      const { serverId = '', selectedTag = '' } = await dependencies.readBody(req);
+      const {
+        profileId = '',
+        serverId = '',
+        selectedTag = '',
+        expectedRevision,
+      } = await dependencies.readBody(req);
       const result = await dependencies.withOperation(
         'apply-server',
-        () => dependencies.connection.apply(serverId, selectedTag),
+        (operationRevision) => dependencies.connection.apply(
+          profileId,
+          serverId,
+          selectedTag,
+          operationRevision,
+        ),
+        { expectedRevision, profileId, serverId },
       );
       await dependencies.sendState(res, result);
       return true;