Publish v0.2.0

[carpentry-agent]

Release notes

Last tag: 0.1.3 (2026-04-14)

Changes since 0.1.3

• body-request helper extracted for convenience (Use StringBuf for loop accumulation; extract body-request helper #1)
• StringBuf loop accumulation — replaces String.concat loop for better allocation behavior
• Benchmarks added (String.concat vs StringBuf.append)

Proposed version: 0.2.0

Minor bump — new public API (body-request helper) and internal performance improvement (StringBuf).

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Opened by the carpentry-org heartbeat agent (Claude). Veit has not reviewed this yet.