alkhttp/tasks/adapters/from-openapi.md at a85500d3d9c9d489a603f5a3c702c904935cd16d

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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

Port adapters/from_openapi.rs (~2k lines, the largest port) from /workspace/@alkdev/alknet/crates/alknet-http/src/adapters/from_openapi.rs: OpenAPISpec (from_json/from_yaml/from_str JSON-first per ADR-051, from_value), $ref resolution, HttpServiceConfig, per-op HandlerRegistration construction (Internal by default, FromOpenAPI leaf provenance), forwarding handlers (path-template substitution, query params, auth header from capabilities, content-type branching), SSE→StreamingHandler for Sub ops (HandlerKind::Stream), error fidelity (HTTP_<status> codes). Type paths move to alkcall::client (adapter contract) and alkcall::registry.

Acceptance Criteria

JSON + YAML + from_str detection ports with tests
Handler construction: Query/Mutation→Once, Sub→Stream; Pub never produced (v1)
Forwarding: path params, query params, auth injection from Capabilities, error mapping — unit tested (mock HTTP via local axum server)
No env-var reads
cargo test passes

References

docs/architecture/http-adapters.md (§from_openapi, §Forwarding handler, §Error Fidelity)
docs/architecture/decisions/023-operation-error-schemas.md, 051-yaml-input-for-from-openapi.md
Old source: /workspace/@alkdev/alknet/crates/alknet-http/src/adapters/from_openapi.rs

Notes

Agent fills during implementation. Largest single port — consider splitting internally (parse half / handler half) if review flags it.

Summary

Agent fills on completion.

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