chore: add settings slash command and bump to 0.4.8

- Add commands/settings.md slash command for unraid_settings tool
- Sync uv.lock after version bump

Co-authored-by: Claude <claude@anthropic.com>

commands/settings.md

@@ -0,0 +1,49 @@
+---
+description: Manage Unraid system settings and configuration
+argument-hint: [action] [additional-args]
+---
+
+Execute the `unraid_settings` MCP tool with action: `$1`
+
+## Available Actions (9)
+
+All settings actions are mutations that modify server configuration.
+
+**General Settings:**
+- `update` - Update general system settings (timezone, locale, etc.)
+- `update_temperature` - Update temperature unit preference (Celsius/Fahrenheit)
+- `update_time` - Update NTP and time configuration
+
+**UPS Configuration:**
+- `configure_ups` - Configure UPS settings (requires `confirm=True` — DESTRUCTIVE)
+
+**API & Connectivity:**
+- `update_api` - Update Unraid Connect API settings
+
+**Unraid Connect (My Servers):**
+- `connect_sign_in` - Sign in to Unraid Connect cloud service
+- `connect_sign_out` - Sign out of Unraid Connect cloud service
+
+**Remote Access:**
+- `setup_remote_access` - Configure remote access settings (requires `confirm=True` — DESTRUCTIVE)
+- `enable_dynamic_remote_access` - Enable/configure dynamic remote access (requires `confirm=True` — DESTRUCTIVE)
+
+## Example Usage
+
+```
+/unraid-settings update
+/unraid-settings update_temperature
+/unraid-settings update_time
+/unraid-settings update_api
+/unraid-settings connect_sign_in
+/unraid-settings connect_sign_out
+```
+
+**⚠️ Destructive Operations (require `confirm=True`):**
+- `configure_ups` - Modifies UPS hardware configuration
+- `setup_remote_access` - Changes network access policies
+- `enable_dynamic_remote_access` - Changes network access policies
+
+**IMPORTANT:** Settings changes take effect immediately and may affect server accessibility.
+
+Use the tool to execute the requested settings operation and report the results.