429 retry / semantic fallback split
rate-limit backoffとmodel/tool/source契約を変えるfallbackを分離
本文内の参照位置: PM-GROK-CORE-04
定義の根拠 · IDX-C04-033
PM-C04-GROK-005/007; EXT-G04-002/005
Index Delta 原索引 · INDEX_DELTA.md:720
SHA-256: 8ad5162e580f3a881c81666f08bc4805b60dc0d300ab81dc074910ecac3207cc
5. TERM_ID: IDX-C04-033; TERM: 429 retry / semantic fallback split; BOUNDARY: rate-limit backoffとmodel/tool/source契約を変えるfallbackを分離; TARGET: PM-GROK-CORE-04; PROVENANCE: PM-C04-GROK-005/007; EXT-G04-002/005