feat(daemon): Add UPSD (NUT) protocol support, Proxmox VM shutdown action, pause/resume monitoring, and network-loss/unreachable handling; bump config version to 4.2

ts/http-server.ts

@@ -1,7 +1,7 @@
 import * as http from 'node:http';
 import { URL } from 'node:url';
 import { logger } from './logger.ts';
-import type { IUpsStatus } from './daemon.ts';
+import type { IPauseState, IUpsStatus } from './daemon.ts';
 
 /**
  * HTTP Server for exposing UPS status as JSON
@@ -13,6 +13,7 @@ export class NupstHttpServer {
   private path: string;
   private authToken: string;
   private getUpsStatus: () => Map<string, IUpsStatus>;
+  private getPauseState: () => IPauseState | null;
 
   /**
    * Create a new HTTP server instance
@@ -20,17 +21,20 @@ export class NupstHttpServer {
    * @param path URL path for the endpoint
    * @param authToken Authentication token required for access
    * @param getUpsStatus Function to retrieve cached UPS status
+   * @param getPauseState Function to retrieve current pause state
    */
   constructor(
     port: number,
     path: string,
     authToken: string,
     getUpsStatus: () => Map<string, IUpsStatus>,
+    getPauseState: () => IPauseState | null,
   ) {
     this.port = port;
     this.path = path;
     this.authToken = authToken;
     this.getUpsStatus = getUpsStatus;
+    this.getPauseState = getPauseState;
   }
 
   /**
@@ -79,12 +83,18 @@ export class NupstHttpServer {
         // Get cached status (no refresh)
         const statusMap = this.getUpsStatus();
         const statusArray = Array.from(statusMap.values());
+        const pauseState = this.getPauseState();
+
+        const response = {
+          upsDevices: statusArray,
+          ...(pauseState ? { paused: true, pauseState } : { paused: false }),
+        };
 
         res.writeHead(200, {
           'Content-Type': 'application/json',
           'Cache-Control': 'no-cache',
         });
-        res.end(JSON.stringify(statusArray, null, 2));
+        res.end(JSON.stringify(response, null, 2));
       } else {
         res.writeHead(404, { 'Content-Type': 'application/json' });
         res.end(JSON.stringify({ error: 'Not Found' }));