generic_log_worker: Add dedup cache validation and unit tests #174
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Adds validation logic to prevent dedup cache corruption when head/tail indices become invalid. Introduces `validate_head_tail()` to detect and correct corrupted states (head > tail or delta > max_batches), and `compute_cache_keys_to_load()` to safely bound the number of keys loaded from storage. Adds metrics for dedup cache size and load errors. Updates cache loading to log detailed state information and gracefully handle failures without
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Adds validation logic to prevent dedup cache corruption when head/tail indices become invalid. Introduces
validate_head_tail()to detect and correct corrupted states (head > tail or delta > max_batches), andcompute_cache_keys_to_load()to safely bound the number of keys loaded from storage.Adds metrics for dedup cache size and load errors. Updates cache loading to log detailed state information and gracefully handle failures without