Add OpenAPI discriminator hints for tagged enum schemas#474
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StromEvent, ServerMessage, and ClientMessage use serde's tag = "type" representation which produces oneOf schemas. Adding the discriminator property enables external code generators (openapi-generator, Zod-based validators) to produce proper discriminated union types. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
discriminator: { propertyName: "type" }toStromEvent,ServerMessage, andClientMessageoneOf schemasdiscriminatorforserde(untagged)enums, so this is applied programmatically inopenapi_spec()Test plan
cargo checkpassesopenapi-typescript+openapi-fetch🤖 Generated with Claude Code