alkhttp/tasks/gateway/publish.md at 63dc4b6d06d61f5c9c6ebe56b284c41c3117c1b2

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glm-5.3-flash 63dc4b6d06 docs: implementation plan (TTY precedents folded in); task decomposition (17 tasks)

Plan updated with the alknet-tty findings: the drainer pattern
(single ordered writer) makes outbound chunk-boundary parsing sound;
TestStdinSink's try_send→Full→Pending is the inbound backpressure
precedent; OQ-01(a) now cites the reference.

Task graph (taskgraph-validated, 17 tasks, 6 generations, no cycles):
- tasks/server/: core-types, auth, healthz-decoy, adapter
- tasks/gateway/: dispatch, routes, publish
- tasks/websocket/: byte-adapter (research POC), upgrade-session, overlay-ops
- tasks/adapters/: from-openapi, from-jsonschema, to-openapi, from-wss, mcp
- tasks/client/: http-host
- tasks/infra/: integration-suite (phase 4)

Critical path runs through server core → adapter → WS session →
overlay tests → integration suite. High-risk tasks are the three WS
tasks, de-risked by the ws-byte-adapter POC blocking upgrade-session.

2026-08-28 06:05:45 +00:00

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Description

Implement POST /publish per ADR-068: NDJSON request body (each line = one published chunk) dispatched through invoke_sink() (alkcall ADR-046); handler's final ResponseEnvelope → 200 JSON or mapped error status. Resolve OQ-02 during this task: first line carries { "operation": "/{service}/{op}", "chunk": {...} } (subsequent lines chunk-only); terminal errors are plain HTTP status + JSON body (not an NDJSON line). Client disconnect drops the body stream → sink cancelled (PublishStream sees EOF). Non-Pub target → 400 INVALID_OPERATION_TYPE. Tests: multi-chunk publish round-trip against a SinkHandler over DuplexStream, early-disconnect, error mapping.

Acceptance Criteria

/publish wired; OQ-02 convention implemented and documented in ADR-068
Sink round-trip test (3+ chunks → final envelope)
Disconnect mid-stream cancels the handler (no hang)
to_openapi gateway doc gains /publish; gateway info.version minor bump
cargo test passes

References

docs/architecture/decisions/068-gateway-publish-endpoint.md
docs/architecture/open-questions.md (OQ-02)
alkcall ADR-046 (Pub/invoke_sink/PublishStream)

Notes

Agent fills during implementation.

Summary

Agent fills on completion.

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