chore: remove unused Config type alias, add deny_unknown_fields to remaining config structs

src/core/config.rs

@@ -4,8 +4,6 @@ use std::collections::{HashMap, HashSet};
 use std::fs;
 use std::path::{Path, PathBuf};
 
-pub type Config = AppConfig;
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(deny_unknown_fields)]
 pub struct AppConfig {
@@ -72,6 +70,7 @@ pub struct PerspectiveCorrectionConfig {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub struct ChromaKeyConfig {
     #[serde(default)]
     pub enabled: bool,
@@ -106,6 +105,7 @@ fn default_hsv_max() -> [i32; 3] {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub struct BrightnessAdjustConfig {
     #[serde(default)]
     pub enabled: bool,
@@ -272,8 +272,9 @@ pub struct RemoteControlConfig {
     pub port: u16,
 }
 
-/// BLE 配网配置（新增）
+/// BLE 配网配置
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub struct BleConfig {
     #[serde(default = "default_ble_enabled")]
     pub enabled: bool,