win b01a44cd39 perf: Optimize Antigravity MODEL_CAPACITY_EXHAUSTED retry strategy
- Reduce max retry attempts from 60 to 10 (exponential backoff prevents pile-up)
- Replace fixed 1s delays with exponential backoff: 1s, 2s, 4s, 8s, 16s, 32s
- Add ±10% jitter to prevent thundering herd effect
- Cap max wait at 32 seconds to avoid excessive delays
- Improves response time when API is temporarily unavailable

Before: ~60s worst case (60 * 1s fixed delays)
After:  ~10s worst case (exponential backoff with cap)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-04-10 23:05:39 +08:00
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