feat: pass app flavor selection

[lusu007]

Pull Request

Description

Adds grounds push --flavor=<key> and scopes local workspace override resolution to the selected manifest flavor. This keeps local bundle overrides aligned with the Paper, Velocity, or other flavor being pushed.

Type of Change

• 🐛 Bug fix
• ✨ New feature
• 💥 Breaking change
• ♻️ Refactoring
• 📚 Documentation
• 🔧 Chore

Related Issues

• Fixes #

Testing

• Unit tests pass
• Manual testing completed
• New tests added for new functionality

Ran:

• /home/lukas/.local/bin/pkgx go test ./cmd/grounds/commands/push ./internal/workspace
• /home/lukas/.local/bin/pkgx go test ./...
• git diff --check

Checklist

• I have performed a self-review of my own code
• Tests have been added/updated and pass (if needed)
• Documentation has been updated (if needed)

[Copilot]

Pull request overview

Adds support for selecting an app “flavor” during grounds push and uses that selection when resolving local workspace plugin overrides from grounds.yaml, so overrides align with the flavor being pushed (e.g., Paper vs Velocity).

Changes:

• Add --flavor=<key> to grounds push and forward it to the Gradle groundsPush task.
• Extend workspace resolution to read plugin lists from grounds.yaml flavors.<key>.plugins when flavors are present, requiring an explicit flavor selection in that case.
• Add unit tests covering flavor-scoped workspace resolution and CLI forwarding of --flavor.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
internal/workspace/resolve.go	Parse flavored manifests and scope plugin resolution to the selected flavor.
internal/workspace/resolve_test.go	Add tests for flavored plugin selection and required-flavor behavior.
cmd/grounds/commands/push/push.go	Introduce --flavor flag and forward it to Gradle + workspace resolution.
cmd/grounds/commands/push/push_test.go	Add CLI test ensuring --flavor is forwarded to the Gradle wrapper.

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