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code-review-cli/.github
Brent Vatne 188f8521bf Detect provider rate limits and wait them out; subscription-aware concurrency (#32)
* Detect provider rate limits and wait them out; subscription-aware concurrency

A shared subscription credential can serve several PRs' reviews at once, so
throttling is a normal condition to ride out, not a failure — and it must be
distinguishable from a wedged request.

- watch the OpenCode server's own log (isolated per run) for 429/rate-limit
  ERROR lines — explicit throttle evidence, the only kind that exists outside
  the provider; a silently parked request emits nothing anywhere
- a stall WITH recent evidence waits in 90s beats (never consuming the one
  wedged retry, bounded by the pass deadline) instead of re-sending the pass's
  whole context into a limited account; without evidence, the wedged-retry
  behavior is unchanged
- explicit 429 errors retry on a patient 15s/45s/90s schedule instead of 2s/8s
- chunk.concurrency unset now resolves by auth mode: 3 on a subscription
  (oauth) credential, 6 on API keys — one account handles six parallel streams
  poorly (the parked-request stall signature on eas-cli#4084 hit both agents'
  chunk 2 simultaneously); an explicit value always wins
- rate-limit events surface at run end and in the run log (rateLimitEvents),
  so throttle frequency is measurable across PRs

* Support ChatGPT ACCESS tokens (rotation-safe); honest verdict when nothing ran

The refresh-token-as-static-secret strategy died in production (euxy#8: every
pass "Token refresh failed: 401" — refresh tokens are SINGLE-USE; the shared
copy was spent by its first CI use and the sign-in with it).

- oauthAuthJsonEntry detects the token kind: a JWT (ACCESS token) is used
  as-is with its exp claim as the expiry — no rotation involvement, safe as a
  shared/static secret; an opaque value keeps the refresh-token shape for
  sole-consumer setups
- an expired access token fails fast naming the re-mint; near-expiry warns
  (doctor + preflight) — the credential can't silently lapse mid-run
- setup-auth hands out the ACCESS token (default env CODEX_OAUTH_ACCESS_TOKEN)
  and never surfaces the refresh token, which stays in OpenCode's own store
  as its sole legitimate consumer
- an all-passes-failed run no longer renders as "Approve with comments":
  couldNotComplete overrides the decision label with "No review — every pass
  failed" (single and per-scope comments)
- README: retract the false "refresh-token reuse verified, static CI secret
  works" claim; document the access-token strategy
- ROADMAP: token-rotator cron job added as the most important next item
- this repo's config/workflow: tokenEnv renamed to CODEX_OAUTH_ACCESS_TOKEN
2026-07-26 19:44:03 -07:00
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