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classify

lean_ctx::proxy::cache_attribution

Function classify 

Source 
pub fn classify(
    prev: Option<(u64, u64)>,
    curr_hash: u64,
    now: u64,
    ttl_secs: u64,
) -> CacheOutcome
Expand description

Pure classification of a turn’s cache outcome. prev is the conversation’s previous (prefix_hash, last_touch), curr_hash this turn’s cacheable-prefix hash, now/ttl_secs the idle clock. Pure (no globals, no I/O) so the TTL-vs-prefix decision is unit-tested independently of the live store.