Establish clean homelab infrastructure baseline

Reorganize the brownfield repository, remove retired and generated artifacts, harden ignore rules, and record the GitOps/IaC redesign.

infrastructure/proxmox/ansible/roles/pve_floppy/tasks/main.yml

@@ -0,0 +1,31 @@
+---
+# Deploy on ONE node only -- see defaults for why one instance covers the cluster.
+
+- name: Install the floppy UI
+  ansible.builtin.copy:
+    src: floppy-ui.py
+    dest: /usr/local/bin/pve-floppy-ui
+    mode: "0755"
+  notify: Restart pve-floppy-ui
+
+- name: Self-check the args parsing
+  # The one piece of real logic in the app: it rewrites the `args` string of a
+  # live VM, so a bad edit there corrupts a VM config. Cheap to assert, and it
+  # also proves the node's python can run the file at all.
+  ansible.builtin.command:
+    cmd: /usr/local/bin/pve-floppy-ui --selftest
+  changed_when: false
+
+- name: Install the unit
+  ansible.builtin.template:
+    src: pve-floppy-ui.service.j2
+    dest: /etc/systemd/system/pve-floppy-ui.service
+    mode: "0644"
+  notify: Restart pve-floppy-ui
+
+- name: Enable and start it
+  ansible.builtin.systemd_service:
+    name: pve-floppy-ui
+    state: started
+    enabled: true
+    daemon_reload: true