feat:add new api for orion build

[benjamin-747]

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Name	Status	Preview	Comments	Updated (UTC)
mega	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 8, 2025 9:43am

[Copilot]

Pull Request Overview

This PR introduces a new Merge Request files-list API, supporting model and service logic, adds a Git tree endpoint, and includes a new GitHub Actions workflow for Orion server deployment.

• Adds mr_files_list HTTP endpoint and model MrFilesRes for listing MR diff files
• Implements MrDiffFile enum and service methods (mr_files_list, get_commit_blobs, traverse_tree)
• Introduces get_tree_file route and an Orion server deployment workflow

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
mono/src/api/mr/mr_router.rs	Registered and implemented new mr_files_list route
mono/src/api/mr/mod.rs	Added MrFilesRes struct and From<MrDiffFile> conversion
mono/src/api/api_router.rs	Added get_tree_file handler for repository tree listing
ceres/src/model/mr.rs	Defined MrDiffFile enum representing file diff types
ceres/src/model/mod.rs	Exposed the new mr module
ceres/src/api_service/mono_api_service.rs	Implemented service methods for computing MR diff and walking trees
.github/workflows/orion-server-deploy.yml	New GitHub Actions workflow for deploying the Orion server

Comments suppressed due to low confidence (4)

.github/workflows/orion-server-deploy.yml:58

• The AWS region is set to ap-southeast-2 here but the credentials were configured with us-east-1. Align both regions to avoid deployment failures.

          AWS_REGION: ap-southeast-2

mono/src/api/mr/mr_router.rs:265

• [nitpick] The new mr_files_list endpoint lacks tests; consider adding unit or integration tests to verify its behavior.

async fn mr_files_list(

mono/src/api/mr/mod.rs:113

• The ToSchema derive is used but not imported; add use utoipa::ToSchema; at the top of this file to resolve the missing trait.

#[derive(Serialize, ToSchema)]

ceres/src/api_service/mono_api_service.rs:433

• The code uses HashSet but there's no use std::collections::HashSet; import; this will fail to compile. Please add the import.

        let unions: HashSet<PathBuf> = old_files.keys().chain(new_files.keys()).cloned().collect();