feat: add archive-grasp-services configuration option

Enables relay operators to backup/archive specific GRASP servers by domain.
Includes configuration, validation, documentation, and integration tests.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/nostr/events.rs b/src/nostr/events.rs
index 1d5a50f..718633e 100644
--- a/src/nostr/events.rs
+++ b/src/nostr/events.rs
@@ -436,6 +436,17 @@ pub fn validate_announcement(
         return AnnouncementResult::AcceptArchive;
     }
 
+    // GRASP-05: Archive mode - accept if announcement lists any configured GRASP service in clone URLs
+    // Only check clone URLs (not relays) since we're archiving from OTHER services
+    // Check if announcement matches any configured GRASP service domains
+    if archive_config
+        .grasp_services
+        .iter()
+        .any(|service| announcement.has_clone_url(service))
+    {
+        return AnnouncementResult::AcceptArchive;
+    }
+
     // Reject with appropriate error message
     if archive_config.read_only {
         AnnouncementResult::Reject(format!(