Config editor, host networking, whitelist RCON

- Config file editor at /instances/{id}/config (browse & edit config/ files)
- Host networking for Docker container (fixes WireGuard MTU DNS issues)
- Whitelist changes applied live via RCON instead of stopping the server
- Config edit handler detects which fields changed: whitelist → RCON,
  other settings → restart container
- walk_dir simplified (removed unused root param)
- import_world uses if-let instead of never-looping while-let
- docker-compose.yml updated as reference template

1 files changed, 2 insertions, 2 deletions

diff --git a/templates/mods/list.html b/templates/mods/list.html
index b5420b8..b05a0e6 100644
--- a/templates/mods/list.html
+++ b/templates/mods/list.html
@@ -119,7 +119,7 @@ function batchSubmit(action) {
     const checked = document.querySelectorAll('input[name="mod_id"]:checked');
     if (checked.length === 0) return;
 
-    const form = document.getElementById('batch-form');
+    const form = document.querySelector('#batch-form');
     // Clear any previous hidden inputs
     form.textContent = '';
     form.action = '/instances/{{ instance_id }}/mods/batch-' + action;
@@ -129,7 +129,7 @@ function batchSubmit(action) {
         input.type = 'hidden';
         input.name = 'mod_id';
         input.value = cb.value;
-        form.appendChild(input);
+        form.append(input);
     }
 
     form.submit();