Add README files and diagrams across repository

2026-05-06 06:36:53 +00:00
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+# infra-run/ansible/inventory/host_vars
+
+This folder is intended for host-specific Ansible variables. It complements `group_vars` by capturing node-level differences that should not be shared across an entire inventory group.
+
+## Diagram
+
+```mermaid
+flowchart LR
+  A["host_vars"] --> B["Host A overrides"]
+  A --> C["Host B overrides"]
+  A --> D["Per-node secrets or tuning"]
+```
+
+## Notes
+
+- Use this area when operational differences are specific to one server.
+- The directory is intentionally empty in the sanitized portfolio state.