Merge relay.ngit.dev migration: bug fixes and migration tooling

This merge includes critical bug fixes and comprehensive migration tooling
developed during the relay.ngit.dev migration effort.

Bug Fixes:
- Fix git protocol error handling to return HTTP 200 with ERR pkt-line
- Fix naughty list false positives and DNS failure identification
- Fix database query filters in load_existing_events (remove .since())
- Fix OID fetch tracking to distinguish 0 OIDs from successful fetches
- Fix purgatory event source tracking for filtered expiry logging
- Implement OID retry logic for 'not our ref' errors

Migration Tools & Documentation:
- Complete 5-phase migration analysis pipeline with orchestration script
- Phase 1: Event fetching from source relay
- Phase 2: Git sync verification
- Phase 3: Categorization and relay comparison
- Phase 4: Log extraction (parse failures, purgatory expiry)
- Phase 5: Action classification for migration decisions
- Comprehensive migration guide with lessons learned
- Troubleshooting guide for permission and corruption issues

Configuration:
- Add NGIT_LOG_LEVEL configuration option
- Update git throttle limits to 60/minute
- Improve logging throughout for better observability

1 files changed, 6 insertions, 3 deletions

diff --git a/src/nostr/policy/state.rs b/src/nostr/policy/state.rs
index f94f004..3411077 100644
--- a/src/nostr/policy/state.rs
+++ b/src/nostr/policy/state.rs
@@ -205,9 +205,12 @@ impl StatePolicy {
 
             // If no git data - add to purgatory
             // (add_state automatically enqueues for background sync)
-            self.ctx
-                .purgatory
-                .add_state(event.clone(), state.identifier.clone(), event.pubkey);
+            self.ctx.purgatory.add_state(
+                event.clone(),
+                state.identifier.clone(),
+                event.pubkey,
+                is_synced,
+            );
 
             tracing::info!(
                 "state event added to purgatory: eventid: {}, identifier: {}",