Module model

Expand description

Generic transformer model.

The model loop (embed -> layers -> norm -> lm_head) is architecture- agnostic. Layer-specific logic lives in TransformerLayer implementations.

Wave 4b1 split: this module was originally a single 8,690 LoC model.rs. Sub-modules now hold:

types struct TransformerModel + PinnedMetaStaging
ssm_pool SsmStatePool
ssm_snapshot SsmSnapshotPool
block_mgmt free-fn helpers (apply_evicted_blocks etc.)
impl_a1/2/3 first inherent impl TransformerModel block
impl_b1/2/3 second inherent impl TransformerModel block
trait_impl single impl Model for TransformerModel block FLAGGED ≤500 LoC cap — Rust does NOT allow splitting one trait impl across files (E0119), and breaking it into inherent-helper delegation is a semantic refactor outside this wave’s scope.
drop impl Drop for TransformerModel
tests extracted unit tests

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