gemini-nexus/openspec/changes/add-multiarch-release-artifacts/specs/release-packaging/spec.md

ADDED Requirements

Requirement: Linux Multi-Architecture Release Artifacts

The system SHALL produce Linux x64 and arm64 release artifacts, including .deb, .rpm, and .AppImage.

Scenario: Linux x64 artifact generation

• WHEN building a release on Linux x64
• THEN release assets include x64 .deb, .rpm, and .AppImage files

Scenario: Linux arm64 artifact generation

• WHEN building a release on Linux arm64
• THEN release assets include arm64 .deb, .rpm, and .AppImage files

Requirement: macOS Multi-Architecture and Universal dmg

The system SHALL produce macOS x64, arm64, and universal dmg artifacts in release builds.

Scenario: macOS x64/arm64 dmg generation

• WHEN building releases for macOS x64 and arm64
• THEN release assets include dmg files for each corresponding architecture

Scenario: macOS universal dmg generation

• WHEN running a universal build
• THEN release assets include a universal dmg

Requirement: Parallel Windows MSI and Squirrel Artifacts

The system SHALL generate both Squirrel installer artifacts and MSI artifacts in Windows release builds.

Scenario: Windows MSI generation

• WHEN building a release on Windows x64
• THEN release assets include both .exe installer and .msi artifacts

Requirement: Artifact Naming and SHA-256 Output

The system SHALL output SHA-256 checksums for all release artifacts and use a unified naming convention that includes architecture markers.

Scenario: Artifact naming includes version and architecture

• WHEN generating release artifacts
• THEN artifact names include productName, version, and arch identifiers

Scenario: SHA-256 checksum output

• WHEN release artifact generation finishes
• THEN release assets include SHA-256 checksums for corresponding artifacts