diff --git a/src/lib/constants/download-timeouts.ts b/src/lib/constants/download-timeouts.ts
new file mode 100644
index 0000000..b909904
--- /dev/null
+++ b/src/lib/constants/download-timeouts.ts
@@ -0,0 +1,10 @@
+/**
+ * Component: Download Client Timeout Constants
+ * Documentation: documentation/phase3/download-clients.md
+ *
+ * Some indexers (e.g. YGGtorrent) enforce a ~30s wait before allowing
+ * .torrent file downloads. 60s gives sufficient headroom.
+ */
+
+/** Timeout for download client API calls and .torrent file fetches (ms) */
+export const DOWNLOAD_CLIENT_TIMEOUT = 60000;
diff --git a/src/lib/integrations/deluge.service.ts b/src/lib/integrations/deluge.service.ts
index 8c73296..f20d5d6 100644
--- a/src/lib/integrations/deluge.service.ts
+++ b/src/lib/integrations/deluge.service.ts
@@ -6,6 +6,7 @@
 import axios, { AxiosInstance } from 'axios';
 import https from 'https';
 import path from 'path';
+import { DOWNLOAD_CLIENT_TIMEOUT } from '../constants/download-timeouts';
 import * as parseTorrentModule from 'parse-torrent';
 import { RMABLogger } from '../utils/logger';
 import { PathMapper, PathMappingConfig } from '../utils/path-mapper';
@@ -49,7 +50,7 @@ export class DelugeService implements IDownloadClient {
       ? new https.Agent({ rejectUnauthorized: false }) : undefined;
     if (httpsAgent) logger.info('[Deluge] SSL certificate verification disabled');
 
-    this.client = axios.create({ baseURL: this.baseUrl, timeout: 60000, httpsAgent }); // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+    this.client = axios.create({ baseURL: this.baseUrl, timeout: DOWNLOAD_CLIENT_TIMEOUT, httpsAgent });
   }
 
   /** JSON-RPC call with automatic re-authentication on auth failure */
@@ -190,7 +191,7 @@ export class DelugeService implements IDownloadClient {
     try {
       torrentResponse = await axios.get(torrentUrl, {
         responseType: 'arraybuffer', maxRedirects: 0,
-        validateStatus: (s) => s >= 200 && s < 300, timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+        validateStatus: (s) => s >= 200 && s < 300, timeout: DOWNLOAD_CLIENT_TIMEOUT,
       });
       if (torrentResponse.data.length > 0) {
         const magnetMatch = torrentResponse.data.toString().match(/^magnet:\?[^\s]+$/);
@@ -203,7 +204,7 @@ export class DelugeService implements IDownloadClient {
         const loc = error.response.headers['location'];
         if (loc?.startsWith('magnet:')) return this.addMagnetLink(loc, category, options);
         if (loc?.startsWith('http://') || loc?.startsWith('https://')) {
-          try { torrentResponse = await axios.get(loc, { responseType: 'arraybuffer', timeout: 60000, maxRedirects: 5 }); } // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+          try { torrentResponse = await axios.get(loc, { responseType: 'arraybuffer', timeout: DOWNLOAD_CLIENT_TIMEOUT, maxRedirects: 5 }); }
           catch { throw new Error('Failed to download torrent file after redirect'); }
         } else { throw new Error(`Invalid redirect location: ${loc}`); }
       } else { throw new Error(`Failed to download torrent: HTTP ${status}`); }
diff --git a/src/lib/integrations/prowlarr.service.ts b/src/lib/integrations/prowlarr.service.ts
index 7532563..a2f0689 100644
--- a/src/lib/integrations/prowlarr.service.ts
+++ b/src/lib/integrations/prowlarr.service.ts
@@ -5,6 +5,7 @@
 
 import axios, { AxiosInstance } from 'axios';
 import { XMLParser } from 'fast-xml-parser';
+import { DOWNLOAD_CLIENT_TIMEOUT } from '../constants/download-timeouts';
 import { TorrentResult } from '../utils/ranking-algorithm';
 import { RMABLogger } from '../utils/logger';
 
@@ -87,7 +88,7 @@ export class ProwlarrService {
       headers: {
         'X-Api-Key': this.apiKey,
       },
-      timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+      timeout: DOWNLOAD_CLIENT_TIMEOUT,
       paramsSerializer: {
         serialize: (params) => {
           // Custom serializer to handle arrays correctly for Prowlarr API
@@ -314,7 +315,7 @@ export class ProwlarrService {
           limit: 100,
           extended: 1,
         },
-        timeout: 60000,
+        timeout: DOWNLOAD_CLIENT_TIMEOUT,
         responseType: 'text', // Get XML as text
       });
 
diff --git a/src/lib/integrations/qbittorrent.service.ts b/src/lib/integrations/qbittorrent.service.ts
index f1803fe..7a53447 100644
--- a/src/lib/integrations/qbittorrent.service.ts
+++ b/src/lib/integrations/qbittorrent.service.ts
@@ -6,6 +6,7 @@
 import axios, { AxiosInstance } from 'axios';
 import https from 'https';
 import path from 'path';
+import { DOWNLOAD_CLIENT_TIMEOUT } from '../constants/download-timeouts';
 import * as parseTorrentModule from 'parse-torrent';
 import FormData from 'form-data';
 import { RMABLogger } from '../utils/logger';
@@ -140,7 +141,7 @@ export class QBittorrentService implements IDownloadClient {
 
     this.client = axios.create({
       baseURL: `${this.baseUrl}/api/v2`,
-      timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+      timeout: DOWNLOAD_CLIENT_TIMEOUT,
       httpsAgent: this.httpsAgent,
       // Support nginx/Apache reverse proxy with HTTP Basic Auth
       auth: {
@@ -352,7 +353,7 @@ export class QBittorrentService implements IDownloadClient {
         responseType: 'arraybuffer',
         maxRedirects: 0,
         validateStatus: (status) => status >= 200 && status < 300, // Only 2xx is success
-        timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+        timeout: DOWNLOAD_CLIENT_TIMEOUT,
       });
 
       logger.info(` Got 2xx response, size=${torrentResponse.data.length} bytes`);
@@ -394,7 +395,7 @@ export class QBittorrentService implements IDownloadClient {
           try {
             torrentResponse = await axios.get(location, {
               responseType: 'arraybuffer',
-              timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+              timeout: DOWNLOAD_CLIENT_TIMEOUT,
               maxRedirects: 5,
             });
             logger.info(` After following redirect: size=${torrentResponse.data.length} bytes`);
diff --git a/src/lib/integrations/transmission.service.ts b/src/lib/integrations/transmission.service.ts
index 1a2ea6e..3381cf7 100644
--- a/src/lib/integrations/transmission.service.ts
+++ b/src/lib/integrations/transmission.service.ts
@@ -6,6 +6,7 @@
 import axios, { AxiosInstance } from 'axios';
 import https from 'https';
 import path from 'path';
+import { DOWNLOAD_CLIENT_TIMEOUT } from '../constants/download-timeouts';
 import * as parseTorrentModule from 'parse-torrent';
 import { RMABLogger } from '../utils/logger';
 import { PathMapper, PathMappingConfig } from '../utils/path-mapper';
@@ -106,7 +107,7 @@ export class TransmissionService implements IDownloadClient {
 
     this.client = axios.create({
       baseURL: this.baseUrl,
-      timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+      timeout: DOWNLOAD_CLIENT_TIMEOUT,
       httpsAgent: this.httpsAgent,
     });
   }
@@ -274,7 +275,7 @@ export class TransmissionService implements IDownloadClient {
         responseType: 'arraybuffer',
         maxRedirects: 0,
         validateStatus: (status) => status >= 200 && status < 300,
-        timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+        timeout: DOWNLOAD_CLIENT_TIMEOUT,
       });
 
       // Check if response body is a magnet link
@@ -302,7 +303,7 @@ export class TransmissionService implements IDownloadClient {
           try {
             torrentResponse = await axios.get(location, {
               responseType: 'arraybuffer',
-              timeout: 60000, // 60 seconds - some indexers (e.g. yggtorrent) enforce a 30s wait before download
+              timeout: DOWNLOAD_CLIENT_TIMEOUT,
               maxRedirects: 5,
             });
           } catch {