style: apply cargo fmt to entire codebase

Standardize code formatting across all 173 Rust source files
using rustfmt. No functional changes - purely cosmetic.

This establishes a consistent code style baseline for the
project going forward.

src/interfaces/web/mod.rs

@@ -1,11 +1,7 @@
-use axum::{
-    routing::get,
-    Router,
-    response::Html,
-};
-use tower_http::services::ServeDir;
-use crate::common::di::AppState;
 use crate::common::config::AppConfig;
+use crate::common::di::AppState;
+use axum::{Router, response::Html, routing::get};
+use tower_http::services::ServeDir;
 
 /// Creates web routes for serving static files
 pub fn create_web_routes() -> Router<AppState> {
@@ -20,9 +16,7 @@ pub fn create_web_routes() -> Router<AppState> {
         .route("/admin", get(serve_admin_page))
         .route("/shared", get(serve_shared_page))
         // Serve static files
-        .fallback_service(
-            ServeDir::new(static_path)
-        )
+        .fallback_service(ServeDir::new(static_path))
 }
 
 /// Serve the login page
@@ -43,4 +37,4 @@ async fn serve_admin_page() -> Html<&'static str> {
 /// Serve the shared page
 async fn serve_shared_page() -> Html<&'static str> {
     Html(include_str!("../../../static/shared.html"))
-}
+}