chore: 🐝 Update SDK - Generate 0.15.4

[github-actions]

SDK update

Versioning

Version Bump Type: [patch] - 🤖 (automated)

Tip

If updates to your OpenAPI document introduce breaking changes, be sure to update the info.version field to trigger the correct version bump.
Speakeasy supports manual control of SDK versioning through multiple methods.

OpenAPI Change Summary

└─┬Info
  └─┬Extensions
    ├──[🔀] x-source-commit-sha (5:24)
    └──[🔀] x-open-api-commit-sha (6:26)

Document Element	Total Changes	Breaking Changes
info	2	0

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Linting Report

0 errors, 28 warnings, 6 hints

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GO CHANGELOG

core: 3.13.53 - 2026-09-01

🐛 Bug Fixes

• raw response-stream bodies take ownership of the per-operation timeout cancel (released on close or when a read finishes), so a timeout bounds the whole download instead of severing the body when the method returns (commit by @ThomasRooney)

core: 3.13.52 - 2026-09-01

🐛 Bug Fixes

• successful JSON response bodies skipped with WithSkipDeserialization stay unread and take ownership of the per-operation timeout cancel (released on Close or when the read ends), so a timeout bounds the caller's read instead of severing the body when the method returns; WithOperationTimeout validates against the timeout supported option instead of retries; request timeouts no longer cancel SSE/JSONL streams before iteration (the deadline still bounds the whole stream and is released when it ends or is closed); pagination Next() closures use the caller's context and preserve operation options across pages; retry strategy none and operation-level disabled overrides are supported, and server-directed Retry-After waits are bounded by the remaining backoff elapsed-time budget; polling operations with streaming responses dispose intermediate attempts' streams and hand the final stream a live cancel chained to the operation timeout; parameters named streamCancel are sanitized so they cannot collide with the generated stream-cancel local (commit by @ThomasRooney)

downloadStreams: 0.1.3 - 2026-09-01

🐛 Bug Fixes

• raw response-stream bodies take ownership of the per-operation timeout cancel (released on close or when a read finishes), so a timeout bounds the whole download instead of severing the body when the method returns (commit by @ThomasRooney)

retries: 2.84.5 - 2026-09-01

🐛 Bug Fixes

• a context canceled between retryable responses surfaces as the cancellation instead of the retryable error, which the caller could otherwise report as a successful response (commit by @ThomasRooney)

retries: 2.84.4 - 2026-09-01

🐛 Bug Fixes

• successful JSON response bodies skipped with WithSkipDeserialization stay unread and take ownership of the per-operation timeout cancel (released on Close or when the read ends), so a timeout bounds the caller's read instead of severing the body when the method returns; WithOperationTimeout validates against the timeout supported option instead of retries; request timeouts no longer cancel SSE/JSONL streams before iteration (the deadline still bounds the whole stream and is released when it ends or is closed); pagination Next() closures use the caller's context and preserve operation options across pages; retry strategy none and operation-level disabled overrides are supported, and server-directed Retry-After waits are bounded by the remaining backoff elapsed-time budget; polling operations with streaming responses dispose intermediate attempts' streams and hand the final stream a live cancel chained to the operation timeout; parameters named streamCancel are sanitized so they cannot collide with the generated stream-cancel local (commit by @ThomasRooney)

sdkHooks: 0.3.1 - 2026-09-01

🐝 New Features

• expose SDKVersion, GenVersion and OpenAPIDocVersion on config.SDKConfiguration so hooks can compose custom User-Agent headers (commit by @ThomasRooney)

serverEvents: 0.1.10 - 2026-09-01

🐛 Bug Fixes

• successful JSON response bodies skipped with WithSkipDeserialization stay unread and take ownership of the per-operation timeout cancel (released on Close or when the read ends), so a timeout bounds the caller's read instead of severing the body when the method returns; WithOperationTimeout validates against the timeout supported option instead of retries; request timeouts no longer cancel SSE/JSONL streams before iteration (the deadline still bounds the whole stream and is released when it ends or is closed); pagination Next() closures use the caller's context and preserve operation options across pages; retry strategy none and operation-level disabled overrides are supported, and server-directed Retry-After waits are bounded by the remaining backoff elapsed-time budget; polling operations with streaming responses dispose intermediate attempts' streams and hand the final stream a live cancel chained to the operation timeout; parameters named streamCancel are sanitized so they cannot collide with the generated stream-cancel local (commit by @ThomasRooney)

unions: 2.87.10 - 2026-09-01

🐛 Bug Fixes

• union values reset any previously decoded member before re-decoding, so a reused value cannot marshal a stale variant (commit by @ThomasRooney)

Based on Speakeasy CLI 1.796.4

Last updated by Speakeasy workflow

[chris-freeman-glean]

Approved for merge (Chris via CoS). Tip 8979754.