vicrodh
43d67335f0
T3: 1:1 port of the artist_vectors vector store into qbz-reco. open_at(base) opens <base>/cache/artist_vectors.db (WAL) with the 3-table schema kept byte-identical (CREATE IF NOT EXISTS) for cross-frontend reuse. Ports the in-memory artist index, get_or_create_idx, set_vector (delete-then-insert per (artist,source) + metadata nnz), get_vector (SUM GROUP BY), has_fresh_vector, get_artist_name, and the production ranking get_related_artists / get_all_related_artists (SUM ORDER BY total_weight DESC). Drops the dead find_nearest cosine path (D3) and the Tauri State/tokio wrapper (lifecycle in the frontend/core per ADR-006). 4 store tests, 20 qbz-reco tests green. cc
18 lines
707 B
Rust
18 lines
707 B
Rust
//! Frontend-agnostic artist-vector recommendation engine (ADR-006).
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//!
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//! Cleanroom port of Tauri's `src-tauri/src/artist_vectors/` into a shared
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//! crate so the Slint frontend (and any headless caller) can produce a
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//! playlist's "Suggested Songs" without a `tauri::State` dependency.
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//!
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//! Modules are ported 1:1 from the Tauri source. The dead cosine-similarity /
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//! `find_nearest` ranking path is dropped (production ranks by summed
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//! relationship weight via the vector store) per the epic's decision D3.
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mod sparse_vector;
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mod store;
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mod weights;
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pub use sparse_vector::SparseVector;
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pub use store::{ArtistVectorStore, SimilarArtist, VECTOR_TTL_SECS};
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pub use weights::RelationshipWeights;
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