harish-berri aaa09bb086 Add negative caching for invalid virtual keys ... - Introduced `InvalidVirtualKeyCache` to manage negative caching for unknown virtual keys, reducing unnecessary database lookups for invalid tokens. - Updated `user_api_key_auth.py` to utilize the new cache for token validation. - Added a new configuration constant for negative cache TTL. - Implemented unit tests for the new caching mechanism to ensure correct behavior in various scenarios.		2026-04-29 00:11:43 +00:00
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dev_config.yaml	Add negative caching for invalid virtual keys	2026-04-29 00:11:43 +00:00