feat: retry HTTP 429 responses with jittered backoff#1149

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dgarros wants to merge 16 commits into

dga/feat-409-retry-ivj0i

Commits on Jul 7, 2026

spec(ihs-249): SDK retry with backoff on HTTP 429 responses

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plan(ihs-249): design SDK 429 retry with backoff

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critique(ihs-249): dual-lens review + apply must-address fixes

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tasks(ihs-249): dependency-ordered task breakdown

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align(ihs-249): spec/PRD alignment check — ALIGNED

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plan(ihs-249): make async+sync dual coverage explicit

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feat(client): add HTTP 429 retry with backoff (handler, config, drivers)

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test: add client-level 429 retry tests for _request path (US1)

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test(sdk): add US2 Retry-After client tests for 429 retry driver

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test(rate-limit): client-level 429 retry exhaustion tests (US3)

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test(sdk): add US4 disable/tune/parity 429 retry tests (T016)

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test: cover all request paths and multipart body re-read for 429 retry

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fix: floor negative and guard overflow in Retry-After delta parsing

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docs(ihs-249): opsmill implement report — DONE

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Commits on Jul 8, 2026

ci: fix markdownlint and vale errors in ihs-249 spec docs

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Commits on Jul 9, 2026

fix(client): harden 429 retry exhaustion, streaming cleanup, and backoff

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