docs: automate generated docs commits and add docs site structure

docs/public/compose-inventory.md

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+# Docker Compose Inventory
+
+Generated: 2026-05-12T22:04:13Z
+
+## Summary
+
+| Item | Count |
+|---|---:|
+| Services | 0 |
+| Networks | 0 |
+| Volumes | 0 |
+
+## Services
+
+| Service | Container | Image | Build | Profiles | Networks | Ports | Restart |
+|---|---|---|---|---|---|---|---|
+
+## Networks
+
+| Network | Driver | External |
+|---|---|---|
+
+## Volumes
+
+| Volume | External |
+|---|---|

docs/public/docker-compose.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="640" height="80"><text x="10" y="40">Graphviz dot not found in environment.</text></svg>

docs/public/index.md

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+# Public Infrastructure Summary
+
+This folder contains sanitized documentation generated from the infrastructure repository.
+
+Sensitive values such as internal domain names, private IP addresses, tokens, passwords, and secrets are redacted.
+
+## Documents
+
+- [Compose Inventory](compose-inventory.md)
+- [Traefik Routes](traefik-routes.md)
+- [Prometheus Rules](prometheus-rules.md)
+- [Docker Compose Diagram](docker-compose.svg)

docs/public/prometheus-rules.md

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+# Prometheus Rules
+
+| File | Group | Alert | Expr | For | Labels | Annotations |
+|---|---|---|---|---|---|---|
+| monitoring/prometheus/rules/alerts.yml | system | HostHighCPU | 100 * (1 - avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m]))) > 90 | 2m | {'severity': 'warning'} | {'summary': 'High CPU usage on host'} |
+| monitoring/prometheus/rules/alerts.yml | system | ContainerRestarting | increase(container_restart_count[10m]) > 3 | 1m | {'severity': 'warning'} | {'summary': 'Container restarting frequently'} |
+| monitoring/prometheus/rules/alerts.yml | system | AlwaysFiring | vector(1) | 10s | {'severity': 'critical'} | {'summary': 'This alert should always fire'} |

docs/public/traefik-routes.md

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+# Traefik Routes
+
+No Traefik routes were detected.