Document in the DoD that data-model structs (domain models, query row
types, DTOs/views) belong in a crate's models.rs rather than the file
that produces/consumes them, once used outside that function -
matching the existing crates/core/src/models.rs pattern. Component-
local structs (Props, Styles, context) are exempt.
Apply it to db: move RankedArticleRow out of articles.rs into a new
crates/db/src/models.rs.
feedsignal-db's Db impl had grown into one 250-line block mixing feed
subscriptions, article storage/scoring, reading-event logging, and
topic-affinity persistence in a single file. Split each domain's
methods into its own module (mirroring the earlier web crate SRP
split), keeping lib.rs to just the Db struct and connection setup.
Pure move — no behavior or public API changes.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QmwX8eafbMstJvt8XPSqft
sqlx's query!/query_as! macros only check raw SQL strings against the live
schema; Diesel's table!-derived DSL type-checks query structure itself at
compile time. SQLite has no native async driver, so diesel-async wraps a
blocking SqliteConnection via SyncConnectionWrapper, pooled with bb8.
Migrations move from sqlx's single-file-per-migration format to Diesel's
up.sql/down.sql pairs, run transactionally via diesel_migrations against a
throwaway sync connection at boot (MigrationHarness needs a sync
Connection), giving revertable migrations that sqlx::migrate! doesn't
support.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Rust workspace with core (topic-affinity learning engine + relevance
scoring), db (sqlite/sqlx schema + repo), feeds (RSS/Atom fetch), llm
(rig + local Ollama embeddings/completion), and web (axum + Dioxus
fullstack UI, no separate JS stack). Two-stage relevance filtering
(embedding shortlist -> LLM judgment) and an engagement/surprise-based
topic affinity engine with daily decay. All crates compile and core's
affinity engine has passing unit tests; server and wasm client targets
of feedsignal-web both check clean.
