feat(governance): cross-organizational federation governance model (#93) #267

	# Copyright (c) Microsoft Corporation. Licensed under the MIT License.
	name: Welcome New Contributors
	on:
	pull_request_target:
	types: [opened]
	issues:
	types: [opened]
	permissions:
	issues: write
	pull-requests: write
	jobs:
	welcome:
	runs-on: ubuntu-latest
	# SECURITY: pull_request_target — uses actions/first-interaction which only
	# reads contributor history via API. No checkout of PR head code.
	steps:
	- uses: actions/first-interaction@a1db7729b356323c7988c20ed6f0d33fe31297be # v1.3.0
	with:
	repo_token: "${{ secrets.GITHUB_TOKEN }}"
	issue_message: \|
	Welcome to the Agent Governance Toolkit! Thanks for opening your first issue.
	A maintainer will review this shortly. Check our [Contributing Guide](https://github.com/microsoft/agent-governance-toolkit/blob/main/CONTRIBUTING.md).
	For security issues, use [private vulnerability reporting](https://github.com/microsoft/agent-governance-toolkit/security/advisories/new).
	pr_message: \|
	Welcome to the Agent Governance Toolkit! Thanks for your first pull request.
	Please ensure tests pass, code follows style (ruff check), and you have signed the [CLA](https://cla.opensource.microsoft.com/).
	See our [Contributing Guide](https://github.com/microsoft/agent-governance-toolkit/blob/main/CONTRIBUTING.md).

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