fix(uploads): bound the silence in an upload body with a re-armed read deadline (#56) (#63)

Closes #56

Co-authored-by: Mathias <mthbqv@gmail.com>

internal/web/export_test.go

@@ -0,0 +1,11 @@
+package web
+
+import "time"
+
+// DefaultUploadIdleTimeout exposes the production idle bound (#56) to the black-box tests:
+// cmd/tapir never sets App.UploadIdleTimeout, so this constant IS the deployed value.
+const DefaultUploadIdleTimeout = defaultUploadIdleTimeout
+
+// UploadIdleTimeoutForTest exposes the bound an App resolves to (#56), so a test can pin the
+// value the zero-value App -- production's -- actually uses rather than only the constant.
+func (a *App) UploadIdleTimeoutForTest() time.Duration { return a.uploadIdleTimeout() }