refactor(api): reorder imports and update code formatting across repository endpoints

- Reordered actix-web imports to standardize import order
- Reordered crate module imports to follow alphabetical ordering
- Updated function calls to use multi-line formatting for better readability
- Standardized blank lines around documentation comments
- Applied consistent formatting to response handling methods
- Normalized import organization across all repository-related API files
- Improved code consistency and maintainability through standardized formatting
- Applied formatting updates to all repository endpoint implementations

api/repo/unstar_repo.rs

@@ -1,8 +1,8 @@
-use actix_web::{web, HttpResponse};
+use actix_web::{HttpResponse, web};
 use serde::Deserialize;
 use utoipa::IntoParams;
 
-use crate::api::response::{ApiResponse, ApiErrorResponse};
+use crate::api::response::{ApiErrorResponse, ApiResponse};
 use crate::error::AppError;
 use crate::service::AppService;
 use crate::session::Session;
@@ -19,11 +19,11 @@ pub struct PathParams {
 ///
 /// Removes the current user from the repository's stargazers list.
 /// Requires read access to the repository.
-/// 
+///
 /// Effects:
 /// - User is removed from the repository's stargazers
 /// - Repository star count is decremented
-/// 
+///
 /// Returns success message on completion. Idempotent operation (unstarring an unstarred repository is a no-op).
 #[utoipa::path(
     delete,
@@ -52,5 +52,7 @@ pub async fn unstar_repo(
         .repo_unstar(&session, &path.workspace_name, &path.repo_name)
         .await?;
 
-    Ok(HttpResponse::Ok().json(ApiResponse::new("Repository unstarred successfully".to_string())))
+    Ok(HttpResponse::Ok().json(ApiResponse::new(
+        "Repository unstarred successfully".to_string(),
+    )))
 }