feat: expose disableSkillShellExecution setting in config UI (closes #259)

src/lib/components/ConfigSidebar.svelte

@@ -63,6 +63,7 @@
     enable_claudeai_mcp_servers: true,
     auto_memory_directory: null,
     model_overrides: null,
+    disable_skill_shell_execution: false,
     max_output_tokens: null,
     trusted_workspaces: [],
     background_image_path: null,
@@ -585,6 +586,22 @@
         </p>
       </div>
 
+      <!-- Disable Skill Shell Execution -->
+      <div class="mb-4">
+        <label class="flex items-center gap-3 cursor-pointer">
+          <input
+            type="checkbox"
+            bind:checked={config.disable_skill_shell_execution}
+            class="w-4 h-4 rounded border-[var(--border-color)] bg-[var(--bg-primary)] text-[var(--accent-primary)] focus:ring-[var(--accent-primary)]"
+          />
+          <span class="text-sm text-[var(--text-primary)]">Disable skill shell execution</span>
+        </label>
+        <p class="text-xs text-[var(--text-tertiary)] mt-1 ml-7">
+          Passes <code class="font-mono">disableSkillShellExecution: true</code> to prevent skill scripts
+          from executing shell commands (requires Claude Code v2.1.91+)
+        </p>
+      </div>
+
       <!-- Include Git Instructions -->
       <div class="mb-4">
         <label class="flex items-center gap-3 cursor-pointer">