Communication, Outputs, and Environments

Outputs and Job Communication

Consolidated from GitHub_Actions_Outputs_and_Job_Communication.md with practical examples and patterns for step outputs, job outputs, artifacts.

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Environments and Environment Variables

Consolidated from Environments_and_Variables.md covering scopes, contexts, GITHUB_ENV, GITHUB_OUTPUT, best practices, and troubleshooting.

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Webhooks and External Notifications

Consolidated from Webhooks.md: ChatOps concepts, repository_dispatch, Teams/Slack/Discord examples, security considerations, and sample workflows.

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