feat: vollst. Installations-Doku, Ansible-Rollen ausimplementiert, claude_workspace-Rolle

- docs/installation.md: Netinstall + Dualboot Schritt-für-Schritt (LUKS nur am Notebook)
- docs/postinstall-ansible.md: Ablauf + restmanuelle Schritte
- roles/base: APT-Sources mit non-free-firmware + Backports, Locale, Tastatur, Zeitzone, Grundpakete
- roles/desktop_kde: Plasma 6 + SDDM (ohne Recommends, kompakt)
- roles/hardening: SSH key-only, UFW, unattended-upgrades
- roles/dev_tools: Node.js via NodeSource, Python, Perl, Git-Defaults
- roles/workstation_apps: Firefox, Thunderbird, LibreOffice, Codecs, KeePassXC
- roles/claude_workspace (NEU): Claude Code + ccusage, SSH-Key für Gitea, Workspace-Clone (recurse-submodules), ~/.claude/settings.json
- site.yml: alle Rollen mit Tags

ansible/roles/claude_workspace/defaults/main.yml

@@ -0,0 +1,11 @@
+---
+claude_workspace_repo: "ssh://git@docker.egonlebt.lan:2222/egon/claude-workspace.git"
+claude_workspace_dest: "/home/{{ primary_user }}/Claude"
+gitea_ssh_host: docker.egonlebt.lan
+gitea_ssh_port: 2222
+claude_settings:
+  model: opus
+  advisorModel: opus
+  statusLine:
+    type: command
+    command: "node ~/Claude/.claude/statusline.js"