fix: add rate_limit_event to Claude stream-json schema#6
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nathanschram merged 1 commit intomasterfrom Feb 26, 2026
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Claude Code CLI v2.1.45+ emits rate_limit_event JSONL events when rate limits are hit. Without a schema entry, msgspec raises DecodeError and logs a noisy warning on every occurrence. - Add RateLimitInfo struct and StreamRateLimitMessage to schemas/claude.py - Include StreamRateLimitMessage in StreamJsonMessage union - Event is decoded cleanly and silently skipped (informational only) - Add fixture line, 2 decode tests, 1 translate test - Document event in stream-json cheatsheet - Bump version to 0.23.3 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
StreamRateLimitMessageandRateLimitInfomsgspec structs toschemas/claude.pyStreamJsonMessageunion so msgspec decodesrate_limit_eventcleanlyjsonl.msgspec.invalidwarning in logs (event was being dropped correctly but generating warnings)translate_claude_event(existingcase _: return [])Context
Claude Code CLI v2.1.45+ emits
{"type": "rate_limit_event", ...}JSONL events when rate limits are approached or hit. This is a purely informational event — the run continues. Without a schema entry, msgspec's tagged union decoder raisesDecodeError, which gets caught and logged as a warning.Test plan
test_decode_rate_limit_event_full— full payload decodes toStreamRateLimitMessagetest_decode_rate_limit_event_bare— bare{"type":"rate_limit_event"}decodes cleanlytest_rate_limit_event_returns_empty— translate returns[](no Untether events)🤖 Generated with Claude Code