feat: initial infrastructure baseline

docs/product/overview.md

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+# mw-pfeddersheim-workstation Infrastructure Overview
+
+## Purpose
+This repository serves as the single source of truth for the configuration and lifecycle management of Michael Wegener's primary workstation at satware AG (Pfeddersheim location).
+
+## Goals
+1. **Reproducibility**: Ability to restore or rebuild the workstation environment using Ansible.
+2. **Reliability**: Automated maintenance and health checks.
+3. **Documentation**: Clear record of software stack, decision rationale (ADRs), and tribal knowledge.
+4. **Security**: Alignment with Zero-Trust principles and satware AG security standards.
+
+## Users
+- Primarily **Michael Wegener** (MW).
+- AI Assistants (Cline/Jane/Junie) for automated task execution and maintenance.
+
+## Lifecycle
+- **Provisioning**: Managed via Ansible playbooks.
+- **Maintenance**: Daily/Weekly tasks via `scripts/maintenance.sh`.
+- **Documentation**: Continuous updates as the system evolves.