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ca7ba5ccdf
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fix: P0-02 prevent login attempt counter race condition
Add atomic Increment method to cache layers:
- L2Cache interface: add Increment method signature
- RedisCache: implement using Redis INCRBY
- L1Cache: implement with mutex-protected counter
- CacheManager: add Increment that updates both L1 and L2
Update incrementFailAttempts to use atomic Increment instead
of Get-Increment-Set pattern, preventing TOCTOU race.
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2026-04-18 13:45:09 +08:00 |
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