Fix kiwix plist to only include available ZIM archives

The LaunchAgent plist now dynamically includes only ZIM files that
actually exist in the kiwix directory, rather than all configured
archives. This prevents kiwix-serve from crashing when torrents are
still downloading.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ansible/roles/kiwix/tasks/main.yml

@@ -158,6 +158,18 @@
     - not item.stat.exists
   notify: restart kiwix-serve
 
+# --- Determine which archives are available ---
+- name: Find available ZIM archives in kiwix directory
+  ansible.builtin.find:
+    paths: "{{ kiwix_zim_dir }}"
+    patterns: "*.zim"
+    file_type: any  # includes symlinks
+  register: available_zim_files
+
+- name: Build list of available archive filenames
+  ansible.builtin.set_fact:
+    kiwix_available_archives: "{{ available_zim_files.files | map(attribute='path') | map('basename') | list }}"
+
 # --- LaunchAgent deployment ---
 - name: Deploy kiwix-serve LaunchAgent plist
   ansible.builtin.template:

ansible/roles/kiwix/templates/kiwix-serve.plist.j2

@@ -11,8 +11,8 @@
 	<array>
 		<string>{{ kiwix_serve_bin }}</string>
 		<string>--port={{ kiwix_port }}</string>
-{% for archive in kiwix_zim_archives %}
-		<string>{{ kiwix_zim_dir }}/{{ archive.filename }}</string>
+{% for filename in kiwix_available_archives %}
+		<string>{{ kiwix_zim_dir }}/{{ filename }}</string>
 {% endfor %}
 	</array>
 	<key>RunAtLoad</key>