Luis Pater 7070785140 fix(auth): preserve upstream status codes in antigravity auth errors ...

- Introduce `HTTPStatusError` to retain upstream HTTP status codes across Antigravity OAuth and project lookup calls.
- Propagate status codes and retry-after metadata from cause errors in `missingAntigravityProjectIDError`.

Closes: #5368

2026-09-01 08:37:02 +08:00

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antigravity

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claude

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codex

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empty

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kimi

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vertex

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xai

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models.go

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