Treat navigation timeout errors as transient to enable automatic retry (#1234)

Author: Ndpnt

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All changes that impact users of this module are documented in this file, in the [Common Changelog](https://common-changelog.org) format with some additional specifications defined in the CONTRIBUTING file. This codebase adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased [minor]
+
+> Development of this release was supported by [Reset Tech](https://www.reset.tech).
+
+### Changed
+
+- Treat navigation timeout errors as transient, enabling automatic retry when pages take too long to load
+
 ## 10.5.0 - 2026-01-20
 
 > Development of this release was supported by [Reset Tech](https://www.reset.tech).

src/archivist/fetcher/errors.js

@@ -10,6 +10,7 @@ export class FetchDocumentError extends Error {
     'EAI_AGAIN', // DNS lookup temporary failure - DNS server is temporarily unavailable or overloaded
     'ETIMEDOUT', // Connection timeout - network latency or server load issues
     'ERR_NAME_NOT_RESOLVED', // DNS lookup temporary failure - DNS server is temporarily unavailable or overloaded
+    'Timed out after', // Navigation timeout - page took too long to load, might be temporary server overload
     'HTTP code 500', // Internal Server Error - server encountered an error while processing the request
     'HTTP code 503', // Service Unavailable - server is temporarily overloaded or down for maintenance
     'HTTP code 504', // Gateway Timeout - upstream server took too long to respond, might be temporary