arbitro-io / arbitro-go

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      "created_at": "2026-06-08T00:45:46Z",
      "owner_type": "Organization",
      "updated_at": "2026-07-18T17:16:01Z",
      "description": "Official Go client for the Arbitro message broker",
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    "owner": {
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      "name": "Arbitro",
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      "releases": [
        {
          "tag": "v0.6.2",
          "kind": "patch",
          "published_at": "2026-07-18T14:48:03Z"
        },
        {
          "tag": "v0.6.1",
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        },
        {
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        },
        {
          "tag": "v0.5.3",
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      "recent_commits": [
        {
          "oid": "377bdfd1f8b62f65bca067182e89d73963ed5716",
          "body": "Add CHANGELOG.md (Keep a Changelog) for the ack-reliability + parity cycle:\nackrel hot tier + wire 0x0A0x + seen dedup, Client.Request + publish_with_headers,\nheartbeat + reconnect supervisor, cron end-to-end, ConsumerExists/UpsertConsumer,\nPublishWait alias, stats/metrics/TLS, and the G05 AckPolicy/DeliverPolicy constant\nfix. Pairs with arbitro-server >= 0.6.2. Version is published via the v0.6.2 git\ntag (not created here — prepare-only).\n\nCo-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "release: 0.6.2 — changelog",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-18T14:48:03Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "fa523fbd5f437acc777065dd88f15f4e83e2b0e2",
          "body": "parity(go): add ConsumerExists + UpsertConsumer\n\nMirror arbitro-client-tokio Client::consumer_exists (client.rs:725) and\nupsert_consumer (client.rs:783), matching the local StreamExists/UpsertStream\nidiom. ConsumerInfo already maps not-found to (nil,nil); AlreadyExists is the\nidempotent upsert path.\n\nCo-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>\n@",
          "is_bot": false,
          "headline": "@",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-16T03:32:29Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "dcaf7f8217b71a09fc02fae727a3e485b047d57e",
          "body": "parity(go): add PublishWait name-alias for the Rust publish_wait rename\n\nForwards to Publish() (waits for broker RepOk, not disk fsync).\n\nCo-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>\n@",
          "is_bot": false,
          "headline": "@",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-16T03:06:47Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "2caf60646a017e7aec9ea2aed07467317de77e3c",
          "body": "checkpoint: session work before client-parity faena\n\nPublish paths, service, stream, ackbatcher + ackstore WAL integration and\nbench updates ahead of the parity faena.\n\nCo-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>\n@",
          "is_bot": false,
          "headline": "@",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-16T03:02:16Z",
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        },
        {
          "oid": "47314cc5c1784d547ec8c901bd9bb1f0f1fa543f",
          "body": "Rust's ackrel::cold (SQLite WAL persistence for ack survival across\nprocess restart) is intentionally not ported to Go. Consumers needing\nrestart durability should design idempotent handlers.",
          "is_bot": false,
          "headline": "docs(ackrel): document cold tier OOS",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-14T07:51:56Z",
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        },
        {
          "oid": "49ac935ba55a664deb4ff846c12c3d7aae64a1c6",
          "body": "Closes:\n- G13 ConsumerStats: internal/proto/manage.go EncodeConsumerStats sends\n  {\"consumer_id\": id} at action 0x0505. Fixed client_manage.go GetPending\n  (previously a stub returning 0 with a TODO) to resolve the consumer\n  id, send ConsumerStats, and parse the live pending-ack count via\n  RepOkRe\n[…]\nn pass.\n\nAlso, per G14, publishErrors/acksDeferred/acksConfirmed/acksExpired\nplaceholder atomics added to Client in Wave4a are removed in favor of\nsourcing the ack-tier metrics directly from ackRelay.",
          "is_bot": false,
          "headline": "feat(client-go): Wave4c stats + metrics + TLS + consumer validation",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-14T06:19:07Z",
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          "oid": "a6d81284f64bfd8e439355b7dea14794fee69191",
          "body": "Closes:\n- G06: Client.Request never actually correlated replies -- it stored a\n  channel in reqPending but nothing ever wrote to it (no per-client\n  reply consumer was ever subscribed). Fixed by lazily creating (once\n  per stream) a fanout reply consumer scoped to `_reply.<instanceID>.>`\n  (arbitro.\n[…]\n slice. Confirmed via integration tests that the\npre-existing Service-based request/reply suite (tests/request_reply_test.go)\nnow passes end-to-end against 127.0.0.1:19899, where it previously failed.",
          "is_bot": false,
          "headline": "feat(client-go): Wave4b Client.Request fix + publish_with_headers",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-14T06:10:02Z",
          "body_truncated": true,
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        },
        {
          "oid": "262495dad10a1803d0e5ad82ab2f6a9fd93c6946",
          "body": "Closes:\n- G01 ackrel hot tier (internal/ackrel/relay.go), wire codecs\n  (internal/proto/ackrel.go: EncodeAckStateReq, EncodeAckBatch,\n  DecodeAckStateRep, DecodeAckBatchResp), dispatch hooks\n  (internal/conn/connection.go: ActionAckStateRep/ActionAckBatchResp\n  cases + handleAckStateRep/handleAckBat\n[…]\nhe user's Msg handler; a hit re-acks without re-invoking.\n\nWire layout verified against arbitro-proto v2::ingress::ack_state and\nv2::egress::ack_state (Rust reference). New action codes 0x0A01-0x0A04.",
          "is_bot": false,
          "headline": "feat(client-go): Wave4a ackrel hot tier + wire 0x0A0x + seen dedup",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-14T05:56:30Z",
          "body_truncated": true,
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        },
        {
          "oid": "721c9c61a8196e1a80a92081564aa9e4e75746cf",
          "body": "…upervisor loop, resubscribe, cron replay\n\nCloses:\n- G09 heartbeat goroutine + Pong watchdog (internal/conn/connection.go heartbeatLoop, options.go WithKeepAlive)\n- G02 reconnect supervisor + atomic.Pointer[Connection] + replaySubscriptions + replayCrons + failAllPending + decorrelated jitter backof\n[…]\nst.go (build-tagged integration) that verifies redial + resubscribe + delivery continuity via broker restart.\n\nVerified:\n- go build ./... clean\n- go vet ./... clean\n- go test ./internal/proto/... pass",
          "is_bot": false,
          "headline": "feat(client-go): Wave3 heartbeat + reconnect — dead-conn detection, s…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-14T05:28:16Z",
          "body_truncated": true,
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        },
        {
          "oid": "92fdc9b5dc7dac50dc31ef4f67856d8a8af73e59",
          "body": "…t enforcement\n\nCloses:\n- G04 CreateCron JSON body {every,timeout_ms}; CronFire binary decode; CronAck binary encode (internal/proto/manage.go:254-281, internal/proto/cron.go)\n- G03 ActionCronFire routed to dispatcher that runs handler + sends CronAck (internal/conn/connection.go:256-262, cron.go:163-183)\n- G16 timeout_ms transmitted; goroutine racing ctx.Done() sends CronAck(error) on timeout (cron.go:75-83,191-222)",
          "is_bot": false,
          "headline": "fix(client-go): Wave2 cron end-to-end - wire bodies, dispatch, timeou…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-12T00:35:03Z",
          "body_truncated": false,
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        },
        {
          "oid": "432ba393fb8929aacf28e7f3b6b2fa006524fb16",
          "body": "…gId, batch chunking, Hello pad\n\nCloses:\n- G07 DeleteConsumer sends {consumer_id} (proto/manage.go:200, client_manage.go:216)\n- G08 ListStreams/ListConsumers full impl — paginated encoder, binary reply\n  decoder, connection dispatch case, paged client loop\n  (proto/manage.go:124,230,297,325, conn/co\n[…]\no:113)\n- G12 publish_batch 256 chunking (arbitro.go:160,180,203)\n- G19 Hello reserved pad = 0 — M9 removed caps, trailing u16 is now a\n  reserved pad the client MUST write as 0 (proto/handshake.go:22)",
          "is_bot": false,
          "headline": "fix(client-go): Wave1 remaining — DeleteConsumer body, List* impl, ms…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-12T00:28:53Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "787a5461227cbb239b6f61f37a9a0cf29ea6e852",
          "body": "…ues now match arbitro-proto\n\nConstants had AckExplicit=0 and AckNone=1, which is inverted relative\nto arbitro-proto/src/config/consumer.rs:269-296 (None=0, Explicit=1).\nEvery Go consumer requesting AckExplicit was landing on the broker as\nAckNone, silently becoming fire-and-forget on the wire.\n\nAls\n[…]\nByTime — they do not exist\nserver-side. DeliverPolicy is now the full enum: All=0, New=1,\nByStartSeq=2.\n\nAdd a pinning comment above the constants block so future edits stay\naligned to the proto enum.",
          "is_bot": false,
          "headline": "fix(client-go): G05 flip AckPolicy/DeliverPolicy constants — wire val…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-12T00:20:36Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "a744cf35a54d8068b97e411447aff58de65ddc07",
          "body": "…ce theft\n\nMatches the Rust fix in arbitro/crates/arbitro-client-tokio@5df6703. A\nsingle queue-grouped consumer over `_svc.<name>.>` load-balanced the\nreplies to sibling instances, so the requester never received them.\n\nNow:\n- Method subject: `_svc.<name>.m.<method>`\n- Reply subject: `_svc.<name>._r\n[…]\n-instance (unique instanceID), NO group,\n  filter `_svc.<name>._r.<instance>.>`, DeliverPolicy::New\n\nClient-side only; wire protocol unchanged.\n\nCo-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix(service): BUG-2 — per-instance reply consumer prevents load-balan…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-06T00:10:44Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "a42189db7f4acec567e50784171fa06e92e6ddb1",
          "body": "Mirror of the Rust and TS client changes, plus a second bug fix specific\nto the Go client.\n\nBug 1 (all clients): handlers were called with no framework-managed ack,\nso a user copying the README example ran their handler, replied, and left\nthe message inflight — the broker redelivered every 30s (ack_\n[…]\nreplying.\n\nThe framework guarantees exactly one ack or nack per invocation.\n\nBreaking change to the service handler API introduced in v0.6.0.\nExample + tests + README updated. go build + go vet clean.",
          "is_bot": false,
          "headline": "fix(service): auto-ack pattern + async dispatch goroutine",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-05T15:06:08Z",
          "body_truncated": true,
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        },
        {
          "oid": "f51039f31d3132cfb319e5b889d39a1498b85192",
          "body": "- service.go: Service struct, ServiceBuilder, handler dispatch, correlation\n- msg.ReplyTo() + msg.Reply() with binary reply_to decoding\n- client.Request() rewritten with proper correlation\n- Updated README with Service documentation\n- Updated example and tests\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: add service (request/reply RPC) pattern",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-07-04T16:20:43Z",
          "body_truncated": false,
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        {
          "oid": "dfca3abb80b3477505dfb90802f9ed279e13888b",
          "body": "… instanceID\n\nCorrected against actual Go source code signatures:\n- SuspendStep(name, timeoutMs, run, onResume) not SuspendStep(name, handler)\n- Source(streamName, subject) not Source(streamName)\n- TriggerWithID/Resume/Cancel take string instanceID, not []byte\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "docs: fix workflow README — SuspendStep 4 args, Source 2 args, string…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-13T01:57:55Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "b4afa646f462bafaba2583e4bb898ecfec565c9f",
          "body": "- Workflow: trigger_with_id, source, suspend/resume, timeout, cancel\n- Stream-backed shared registry for cross-worker state\n- Fix ensureConsumer for fanout support\n- Clean README: remove benchmarks, testing section, Go advantages table\n- 13/13 workflow tests passing\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "release: v0.5.3 — full workflow parity, docs cleanup",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-09T16:29:03Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "22571decee49c73a0a914ad1db5dba5e692642a8",
          "body": "…ore/dockerignore\n\n- README: add Docker section, publish APIs (FireAndForget, BatchAsync),\n  per-subject inflight limits, delayed publish, performance table,\n  replication, connection options — matching TS client documentation style\n- .gitignore: standard Go ignores (binaries, test output, IDE, vendor)\n- .dockerignore: exclude .git, IDE, docs, test artifacts from images\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "docs: complete README with examples, performance, Docker + add gitign…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T02:39:12Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "16b0cf9aa5d3c6877c764de6c243ae7ec8f552e7",
          "body": "Replace mutex-based write serialization with channel-based write\ncoalescing (matching Rust client's writer_task pattern):\n- Single writer goroutine drains chan []byte → bufio.Writer → flush\n- Non-blocking Send() on 4096-cap channel (lock-free hot path)\n- Drain loop coalesces all pending frames into \n[…]\nM msgs/s)\n  PublishBatchAsync (×256):   33 µs/op, 489 MB/s (~7.7M msgs/batch/s)\n  ParallelFireAndForget:     391 ns/op, 164 MB/s (~2.6M msgs/s)\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "perf: write coalescing + ack batching — 29x async publish throughput",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T02:33:11Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "1f96cbd5e962c09a921bd5e53a6cade1834d10ec",
          "body": "Bug: when CreateConsumer got AlreadyExists (RepError frame), the code\nfell through to RepOkRefSeq which read the echoed request-seq from the\nerror body as if it were the consumer_id. Now it properly resolves the\nreal consumer_id via GetConsumer.\n\nAlso adds bounds-checking on all RepOkRefSeq call sites to prevent\npanics on malformed broker replies (StreamInfo, PurgeStream,\nDrainSubject, DeleteMessage, PublishBatch, resolveStreamID).\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix: CreateConsumer AlreadyExists reads wrong frame body + bounds checks",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T01:27:41Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "71ebc7da0b6cc8821e22da0d5a8a42c54eee586f",
          "body": "- Add human-readable messages for all 19 error codes (codeMessages map)\n- Add bounds-checking in checkReply to prevent panic on malformed frames\n- Add bounds-checking in CreateStream reply body extraction\n- Add errors_test.go with 8 unit tests covering all error paths\n\nBefore: `arbitro: error code 0x0011`\nAfter:  `arbitro: [0x0011] stream already exists`\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix: improve error visibility in CreateStream and all broker replies",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T01:23:03Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "f95fa7a1ea3ddd69beb1fc32472831afe04493a8",
          "body": "…connect\n\nAdds:\n- Proto-level benchmarks (no broker): header, publish, ack, batch encode/decode\n- Integration benchmarks: sync/async/batch/e2e/parallel/throughput-1K\n- Chaos tests: rapid connect/disconnect, concurrent publishers, publish-after-close, starvation\n- Cron tests: create+stop, failover be\n[…]\nound-trip\n- Delayed publish tests: delivery timing, multiple delays, zero delay\n\nTotal: 5 unit + 7 benchmarks + ~35 integration test functions.\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "test: complete test suite — bench, chaos, cron, workflow, metrics, re…",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T01:16:42Z",
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        {
          "oid": "a5a9be798961a4ffb71ed3f1f6f03e7f48f9d242",
          "body": "Wire protocol (V2 binary), connection management, pub/sub with channels,\nstream/consumer CRUD, cron, workflow/saga, reconnect, ack batching,\nmetrics, 5 examples, unit tests (pass with -race), integration test suite.\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: initial Go client — full parity with Rust/TS clients",
          "author_name": "Zenozaga",
          "author_login": "zenozaga",
          "committed_at": "2026-06-08T00:45:20Z",
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    "ecosystem": {
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            "key": "community_health",
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            "notes": [],
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            "key": "package_maintenance",
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                "name": "Published & resolvable",
                "detail": "1 package(s) on go",
                "points": 25,
                "status": "met",
                "details": [
                  {
                    "code": "packages_published",
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                ],
                "max_points": 25
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              {
                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 9 days ago",
                "points": 35,
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                "details": [
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                    "code": "publish_recency",
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                "max_points": 35
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              {
                "key": "version_history",
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                "points": 20,
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                "details": [
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                "key": "not_deprecated",
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                "points": 20,
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        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
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                "key": "sast",
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                "key": "security_policy",
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                "code": "jurisdiction_evidence_limits",
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                "Iran",
                "North Korea"
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