Add dev tools in Ansible and update Zed model config

- Split Ubuntu/Debian package installation with apt conditional
- Include clang, cmake, ninja-build and other development packages
- Switch Zed default AI model to Google Gemini 2.5 via OpenRouter

config/ansible/tasks/workstations/workstation.yml

@@ -55,7 +55,23 @@
           - distrobox
           # Android Screen Mirroring
           - scrcpy
+
+        state: present
+      become: true
+
+    - name: Ensure Ubuntu/Debian packages are installed
+      ansible.builtin.package:
+        name:
+          - clang
+          - cmake
+          - git
+          - ninja-build
+          - pkg-config
+          - libgtk-3-dev
+          - liblzma-dev
+          - libstdc++-12-dev
           - dolphin-nextcloud
           - nextcloud-desktop
         state: present
+      when: ansible_pkg_mgr == 'apt'
       become: true