changed configuration hierarchie

WatcherAgent/src/config.rs

@@ -1,11 +1,19 @@
+use config::Config;
+use serde::Deserialize;
+
 use crate::models::WatcherConfig;
 
-impl WatcherConfig {
+#[derive(Debug, Deserialize, Clone)]
+pub struct AppConfig {
+    pub watcher: WatcherConfig,
+}
+
+impl AppConfig {
     pub fn from_env() -> Result<Self, config::ConfigError> {
         // Load .env file (works in both Docker and local development)
         dotenvy::dotenv().ok();
 
-        let cfg = config::Config::builder()
+        let cfg = Config::builder()
             .add_source(config::Environment::with_prefix("WATCHER").separator("_"))
             .build()?;