feat(api): add comprehensive repository management API endpoints

- Introduce new repo module with complete repository functionality
- Add endpoints for repository CRUD operations (create, get, update, archive, delete)
- Implement branch management with create, list, delete and protection features
- Add tag management with create, list and delete operations
- Include release management with create, update and delete capabilities
- Support repository forking with sync functionality
- Implement starring and watching mechanisms for repositories
- Add member management with roles and invitations
- Provide deploy key management for CI/CD integration
- Create webhook management for external integrations
- Implement branch protection rules with approval requirements
- Add commit status and comment functionality for code reviews
- Include merge checking logic for pull requests
- Register all new endpoints in OpenAPI documentation
- Configure routes to handle new repository-specific paths

api/repo/create_release.rs

@@ -0,0 +1,70 @@
+use actix_web::{web, HttpResponse};
+use serde::Deserialize;
+use utoipa::IntoParams;
+
+use crate::api::response::{ApiResponse, ApiErrorResponse};
+use crate::error::AppError;
+use crate::models::repos::RepoRelease;
+use crate::service::repo::releases::CreateReleaseParams;
+use crate::service::AppService;
+use crate::session::Session;
+
+#[derive(Debug, Deserialize, IntoParams)]
+pub struct PathParams {
+    /// Workspace name (unique identifier)
+    pub workspace_name: String,
+    /// Repository name (unique within the workspace)
+    pub repo_name: String,
+}
+
+/// Create a new release
+///
+/// Creates a new release in the repository, optionally creating a tag if it doesn't exist.
+/// Requires Write role or higher in the repository.
+/// 
+/// Parameters:
+/// - tag_name: Tag name for the release (will be created if it doesn't exist)
+/// - name: Release name/title (required)
+/// - body: Release notes in markdown format (optional, max 10000 characters)
+/// - draft: Whether this is a draft release (default: false)
+/// - prerelease: Whether this is a prerelease (default: false)
+/// - target_commitish: Commit SHA or branch name to tag (defaults to default branch)
+/// 
+/// Returns the created release with metadata including download URLs for assets.
+#[utoipa::path(
+    post,
+    path = "/api/v1/workspaces/{workspace_name}/repos/{repo_name}/releases",
+    tag = "Repos",
+    operation_id = "repoCreateRelease",
+    params(PathParams),
+    request_body(
+        content = CreateReleaseParams,
+        description = "Release creation parameters",
+        content_type = "application/json"
+    ),
+    responses(
+        (status = 201, description = "Release created successfully. Returns the newly created release with metadata.", body = ApiResponse<RepoRelease>),
+        (status = 400, description = "Invalid parameters: name too long, invalid tag name, or target commit doesn't exist", body = ApiErrorResponse),
+        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
+        (status = 403, description = "Insufficient permissions (requires Write role or higher)", body = ApiErrorResponse),
+        (status = 404, description = "Repository, workspace, or target commit not found", body = ApiErrorResponse),
+        (status = 409, description = "Release with this tag already exists", body = ApiErrorResponse),
+        (status = 500, description = "Internal server error or Git operation failed", body = ApiErrorResponse),
+    ),
+    security(
+        ("session_cookie" = [])
+    )
+)]
+pub async fn create_release(
+    service: web::Data<AppService>,
+    session: Session,
+    path: web::Path<PathParams>,
+    params: web::Json<CreateReleaseParams>,
+) -> Result<HttpResponse, AppError> {
+    let release = service
+        .repo
+        .repo_create_release(&session, &path.workspace_name, &path.repo_name, params.into_inner())
+        .await?;
+
+    Ok(HttpResponse::Created().json(ApiResponse::new(release)))
+}