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3 Commits

Author SHA1 Message Date
dae751a6ef Add EventBroadcaster metrics for observability and debugging
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- Add BroadcasterMetrics interface for reading metrics per namespace
- Add MetricsCollector interface and DefaultMetricsCollector implementation
- Track events_published and events_received counters per namespace
- Track active_subscriptions gauge per namespace
- Track publish_errors, subscribe_errors, and dropped_events counters
- Add MetricsProvider interface for EventBroadcaster implementations
- Integrate metrics tracking into EventBus and NATSEventBus
- Add optional Prometheus integration via PrometheusMetricsAdapter
- Add comprehensive unit tests for metrics functionality

Closes #22

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 19:51:23 +01:00
adead7e980 Add wildcard namespace subscriptions
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Support NATS-style wildcard patterns ("*" and ">") for subscribing
to events across multiple namespaces. This enables cross-cutting
concerns like logging, monitoring, and auditing without requiring
separate subscriptions for each namespace.

- Add pattern.go with MatchNamespacePattern and IsWildcardPattern
- Update EventBus to track wildcard subscribers separately
- Update NATSEventBus to use NATS native wildcard support
- Add comprehensive tests for pattern matching and EventBus wildcards
- Document security implications in all relevant code comments

Closes #20

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 19:24:26 +01:00
e9e50c021f Initial aether repository structure
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Distributed actor system with event sourcing for Go:
- event.go - Event, ActorSnapshot, EventStore interface
- eventbus.go - EventBus, EventBroadcaster for pub/sub
- nats_eventbus.go - NATS-backed cross-node event broadcasting
- store/ - InMemoryEventStore (testing), JetStreamEventStore (production)
- cluster/ - Node discovery, leader election, shard distribution
- model/ - EventStorming model types

Extracted from arcadia as open-source infrastructure component.

Co-Authored-By: Claude <noreply@anthropic.com>
2026-01-08 19:30:02 +01:00