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/update.rs

@@ -1,12 +1,12 @@
-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::models::repos::Repo;
-use crate::service::repo::core::UpdateRepoParams;
 use crate::service::AppService;
+use crate::service::repo::core::UpdateRepoParams;
 use crate::session::Session;
 
 #[derive(Debug, Deserialize, IntoParams)]
@@ -21,13 +21,13 @@ pub struct PathParams {
 ///
 /// Updates repository metadata such as name, description, visibility, and default branch.
 /// Requires Admin role or higher in the repository.
-/// 
+///
 /// Update rules:
 /// - name: Must be unique within workspace if changed (1-100 characters)
 /// - description: Max 500 characters
 /// - visibility: "public", "private", or "internal" (workspace owners can restrict public repos)
 /// - default_branch: Must be an existing branch name
-/// 
+///
 /// All fields are optional; only provided fields are updated.
 /// Returns the updated repository with full metadata.
 #[utoipa::path(