Replace literal SQL with Diesel abstractions

crates/bds-core/Cargo.toml

@@ -5,8 +5,6 @@ version.workspace = true
 license.workspace = true
 
 [dependencies]
-rusqlite = { workspace = true }
-refinery = { workspace = true }
 uuid = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
@@ -30,6 +28,9 @@ reqwest = { workspace = true }
 keyring = { workspace = true }
 tokio = { workspace = true }
 axum = { workspace = true }
+diesel = { workspace = true }
+diesel_migrations = { workspace = true }
+libsqlite3-sys = { workspace = true }
 
 [dev-dependencies]
 tempfile = "3"