chore: support package import

[Levi080513]

Issues

Changes

1. Unified release package definition, default as manifest.yaml + some tar images.

├── images
│   └── docker.io-ubuntu-22.04.tar
└── manifest.yaml

2. Extending engine import, now supports importing all types of offline packages.

## controlplane package import example
bin/neutree-cli  import controlplane --package scripts/builder/dist/neutree-control-plane-v0.1.0-nightly-20251122-amd64.tar.gz  --mirror-registry registry.example.com/neutree-test --registry-username=xxxx--registry-password=xxx

## cluster package import example
bin/neutree-cli  import cluster --package scripts/builder/dist/neutree-cluster-ssh-nvidia_gpu-v0.1.0-nightly-20251122-amd64.tar.gz  --server-url=http://10.255.1.54:3000 --api-key="xxxxx" --registry neutree-test

## engine package import example 
bin/neutree-cli  import engine --package scripts/builder/dist/vllm-v0.10.2.tar.gz  --server-url=http://10.255.1.54:3000 --api-key="xxxxx" --registry neutree-test

Test

Test import controlplane, cluster, engine package succeed

[Copilot]

Pull request overview

This PR adds comprehensive package import functionality to Neutree, enabling users to build and import different types of packages (control plane, cluster, and engine) with container images.

• Refactors package import functionality from pkg/engine to internal/cli/packageimport
• Adds scripts for building packages with support for multi-architecture and mirror registries
• Implements new CLI structure with neutree-cli import command supporting multiple package types
• Adds validation capabilities for package integrity checking

Reviewed changes

Copilot reviewed 31 out of 32 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
scripts/builder/build-package.sh	New script for building control plane and cluster packages
scripts/builder/build-engine-package.sh	Updated engine package builder with new manifest format
scripts/builder/image-lists/*	Image list files for different package types
internal/cli/packageimport/*	Refactored package import functionality with improved structure
cmd/neutree-cli/app/cmd/packageimport/*	New CLI commands for importing packages
pkg/client/client.go	Added support for X-Neutree-Show-All header
pkg/engine/*	Removed old engine-specific import code
cmd/neutree-cli/app/cmd/engine/*	Removed old engine command structure
images.txt	Root-level image list file

Comments suppressed due to low confidence (1)

cmd/neutree-cli/app/cmd/engine/import.go:1

• The YAML delimiter in the documentation should be '---' (three hyphens), not '----' (four hyphens).

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[codecov]

Codecov Report

❌ Patch coverage is 13.04348% with 460 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
internal/cli/packageimport/importer.go	11.88%	124 Missing and 2 partials ⚠️
cmd/neutree-cli/app/cmd/packageimport/engine.go	0.00%	90 Missing ⚠️
.../neutree-cli/app/cmd/packageimport/controlplane.go	0.00%	66 Missing ⚠️
cmd/neutree-cli/app/cmd/packageimport/cluster.go	0.00%	62 Missing ⚠️
cmd/neutree-cli/app/cmd/packageimport/validate.go	0.00%	35 Missing ⚠️
internal/cli/packageimport/parser.go	61.97%	19 Missing and 8 partials ⚠️
internal/cli/packageimport/image_pusher.go	25.00%	24 Missing ⚠️
cmd/neutree-cli/app/cmd/packageimport/import.go	0.00%	22 Missing ⚠️
pkg/client/client.go	0.00%	5 Missing ⚠️
internal/routes/proxies/resource_proxy.go	0.00%	2 Missing ⚠️
... and 1 more

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