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"body": "…n block\n\nThe `target` attribute in `consumer` blocks meant \"destination\" (where to\nsend messages), while `target` in `subscription` blocks means \"source\"\n(what to subscribe to). Rename to `subscriber` throughout to eliminate\nthe ambiguity.\n\n- ConsumerDefinition.Target → Subscriber (HCL attribute renamed)\n- ConsumerBuilder.WithTarget() → WithSubscriber()\n- KafkaConsumer.target field → subscriber\n- Update error messages, comments, README\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
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"body": "Consumer: records_received, errors, lag (per topic/partition), process_duration,\ncommits. Lag is derived from FetchPartition.HighWatermark -- kgo.Client.Lag()\ndoes not exist in v1.18.1.\n\nProducer: records_sent, errors, produce_duration (sync mode only; async\nrecords sent/errors via callback).\n\nAll m\n[…]\ncs are optional: nil MetricsProvider -> nil metrics struct -> no-op.\nWithMetricsProvider() added to both ConsumerBuilder and ProducerBuilder.\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
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"headline": "Add MetricsProvider instrumentation (item #9)",
"author_name": "Ty Sarna",
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"body": "Failed records are forwarded to a configurable dlq_topic with\nvinculum-error, vinculum-original-topic, and vinculum-timestamp headers.\nOffset is committed only after a successful DLQ send; if DLQ send fails\nthe record is not committed so it will be redelivered.\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "Add DLQ support to KafkaConsumer",
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"body": "When a Kafka record has no key (r.Key == nil), the vinculum_topic\nevaluation context should see null, not an empty string. Changing the\nVinculumTopicFunc signature to use *string makes the distinction explicit:\nnil = no key, &\"\" = explicit empty-string key.\n\nprocessRecord now uses an if r.Key != nil guard before converting.\nNew test TestProcessRecord_NilKeyIsNilPointer covers both cases.\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
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"headline": "Fix key=null: change VinculumTopicFunc key parameter to *string",
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"headline": "go mod tidy: add testify dependency for consumer tests",
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"body": "- consumer/consumer.go: KafkaConsumer with Start/Stop lifecycle, poll\n loop using PollFetches, after_process commit mode, JSON deserialization\n (fallback to []byte), headers→fields conversion, VinculumTopicFunc\n callback for topic resolution (avoids circular import with config layer)\n- consumer/b\n[…]\ner_test.go: pure logic tests for deserializePayload,\n headersToFields, findSubscription, and processRecord without a real\n Kafka connection\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "Add consumer package with poll loop and topic subscription",
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"body_truncated": true,
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{
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"body": "Tests cover resolveTopicAndKey: exact match, first-match-wins, wildcard\nfield extraction, field merging precedence, nil KeyFunc, KeyFunc errors,\nand all three default transform modes (error, slash_to_dot, ignore).\n\nTests cover serializePayload: nil passthrough, []byte passthrough, plain\nGo values, and cty.Value conversion (string, number, object).\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "Add unit tests for producer topic resolution and serialization",
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"body": "When multiple producers share a client, each producer typically owns a\nsubset of topics. The new ignore mode silently succeeds without producing\nanything when no topic_mapping matches, avoiding spurious errors or\nunintended default-topic publishes from producers outside their domain.\n\n default_topic_transform = \"ignore\"\n\nThe existing default (error) is unchanged for single-producer configs.\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
"is_bot": false,
"headline": "Add DefaultTopicIgnore for multi-producer setups",
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{
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"body": "- producer/producer.go: KafkaProducer implementing bus.Subscriber with\n MQTT topic mapping, sync/async produce modes, cty.Value serialization,\n and fields→Kafka headers conversion\n- producer/builder.go: fluent ProducerBuilder API\n- go.mod: module declaration with franz-go v1.18.1, vinculum-bus,\n go2cty2go, mqttpattern dependencies\n- .github/workflows/ci.yml: CI build and test on push/PR to main\n\nCo-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>",
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