refactor: refactor kernel dataset into spec

kernel/lcrconn-cli/src/app.rs

@@ -3,7 +3,7 @@ use anyhow::Result;
 use lcrconn::{
     BfsResolver, DeviceKind, LutResolver, Request, Resolver, Response, ResponsePriority,
     common::{Circuit, CircuitDeviceScale, JointKind, validate_device_value, validate_floating_point},
-    dataset::{DatasetCollection, from_human_readable_value, to_human_readable_value},
+    spec::{SpecCatalog, from_human_readable_value, to_human_readable_value},
     query::MAX_RESPONSE_CNT,
 };
 use std::io::Write;
@@ -105,7 +105,7 @@ pub struct App {
 impl App {
     /// Create a new app with the given configuration.
     pub fn new(config: AppConfig) -> Result<Self> {
-        let datasets = DatasetCollection::from_file(
+        let datasets = SpecCatalog::from_file(
             config.get_resistor_dataset(),
             config.get_capacitor_dataset(),
             config.get_inductor_dataset(),