fix(cms-upload): scope InfiniteTimeSpan to upload client; add response-wait budget after body completes

DeepDrftManager/Program.cs

@@ -44,17 +44,26 @@ builder.Services.AddHttpClient("DeepDrft.Content", client =>
     client.BaseAddress = new Uri(contentApiUrl);
 });
 
-// Named HttpClient for ApiKey-protected Content API calls (CmsTrackService's vault delete).
-// API key baked into the default request headers so callers need not add it manually.
+// Named HttpClient for ApiKey-protected Content API calls (CmsTrackService's non-upload operations:
+// delete, paged list, metadata read/write, waveform jobs, releases, genres).
+// Timeout left at the default 100s — these are short request/response pairs and an infinite timeout
+// would hang an InteractiveServer circuit forever on a dead connection.
 var contentApiKey = builder.Configuration["Api:ContentApiKey"]
     ?? throw new InvalidOperationException("Api:ContentApiKey is required");
 builder.Services.AddHttpClient("DeepDrft.Content.Cms", client =>
 {
     client.BaseAddress = new Uri(contentApiUrl);
     client.DefaultRequestHeaders.Add("ApiKey", contentApiKey);
-    // Large mix uploads (several hundred MB) outrun the 100s default whole-request timeout. The send
-    // path enforces an idle/heartbeat deadline instead (CmsTrackService), which can only express
-    // "no bytes for N seconds" if the client itself does not impose a total cap — hence Infinite here.
+});
+
+// Dedicated upload client — inherits the API key but removes the whole-request timeout.
+// Large WAV uploads (several hundred MB) outrun the 100s default. The upload path enforces an
+// idle/heartbeat deadline instead (body-streaming phase via ProgressStreamContent) plus a separate
+// response-wait budget (CmsTrackService), so the client itself must not impose a total cap.
+builder.Services.AddHttpClient("DeepDrft.Content.Cms.Upload", client =>
+{
+    client.BaseAddress = new Uri(contentApiUrl);
+    client.DefaultRequestHeaders.Add("ApiKey", contentApiKey);
     client.Timeout = Timeout.InfiniteTimeSpan;
 });