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- Add ConnectionStatus::ConnectedDegraded (status=4 in metrics)
- Track batch failures via PendingBatch.failed field
- Track relay-level failures via RelayState.historic_sync_had_failures
- Transition to ConnectedDegraded when any batch fails during historic sync
- Add is_live_sync_active() helper for cleaner match patterns
- Update state machine diagram with ConnectedDegraded transitions
- Update metrics docs with status=4 and example queries
Fixes issue where relays with failed negentropy retries would
incorrectly transition to Connected status despite missing data.
Now operators can distinguish 'fully synced' vs 'degraded (partial data)'.
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- Add ConnectionStatus::Syncing state between Connecting and Connected
- Track historic_sync_completed and historic_sync_completed_at in RelayState
- Auto-detect sync completion via check_and_complete_historic_sync()
- Update metrics: ngit_sync_relay_connected now shows 0-3 (disconnected/connecting/syncing/connected)
- Update Prometheus metric documentation with new status values
- Add state machine diagram showing Syncing transition
- Operators can now distinguish 'connected but catching up' vs 'fully synced'
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Replace broken event counting that occurred before duplicate/policy checks
with accurate tracking of events that are new, accepted, and saved.
Changes:
- Added ProcessResult enum to track event processing outcomes
- Modified process_event_static() to return ProcessResult
- Replaced events_total (with source labels) with events_synced_total
- Removed gap_events_total and event_source module
- Removed eose_received flag (EOSE is per-subscription, not suitable)
- Updated all tests to use new simplified API
The new ngit_sync_events_synced_total metric only counts events that:
1. Are new (not duplicates)
2. Pass write policy validation
3. Are successfully saved to database
All 165 tests pass (124 lib + 41 integration)
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Main lib (src/):
- Add #[allow(dead_code)] for build_info field (stored to prevent Prometheus unregistration)
- Add #[allow(dead_code)] for first_seen field (reserved for future rate limiting)
- Replace .or_insert_with(RelaySyncNeeds::default) with .or_default()
- Replace manual div_ceil implementations with .div_ceil(100)
Test code (tests/):
- Replace .expect(&format!(...)) with .unwrap_or_else(|_| panic!(...))
- Remove needless borrows in fetch_metrics() calls
- Add #[allow(dead_code)] and #[allow(unused_imports)] to test helpers module
grasp-audit:
- Apply cargo fmt to fix formatting
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- Add SyncMetrics with full Prometheus integration
- Track sync gaps via catchup events
- Update Grafana dashboard with sync panels
- Document all sync configuration options
- Update design doc with implementation notes
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