Module cache 

Cache for LLM answers to avoid redundant API calls Uses Blake3 hash of (query + context) as the key

Structs

AnswerCache

In-memory LRU cache for answers Thread-safe with a simple mutex

CacheEntry

Cached answer entry

CacheStats

GLOBAL_CACHE

Functions

check_cache

Check cache and return cached result if available

clear_global_cache

Clear the global cache

global_stats

Get global cache statistics

store_in_cache

Store result in cache