Keep Avahi for pedal.local mDNS, add web UI task

docs/baseline-footprint.md

@@ -97,18 +97,18 @@ fonts-* xfonts-*
 python3-pygame python3-tk
 ```
 
-### Systemd Services Kept (Bluetooth & WiFi stay on)
+### Systemd Services Kept (BT, WiFi, Avahi stay on)
 
 | Service | Reason to Keep |
 |---------|----------------|
 | `bluetooth` | Wireless MIDI controllers, tuner apps |
 | `wpa_supplicant` | WiFi for web UI, SSH, preset downloads |
+| `avahi-daemon` | mDNS for `pedal.local` hostname resolution on LAN |
 
 ### Systemd Services Disabled
 
 | Service | Reason |
 |---------|--------|
-| `avahi-daemon` | No mDNS needed |
 | `triggerhappy` | We handle GPIO ourselves |
 | `ModemManager` | No modem |
 | `systemd-resolved` | Simple static DNS works |

scripts/minimize.sh

@@ -89,8 +89,6 @@ info "Step 1: Removing unnecessary packages..."
 PACKAGES_TO_PURGE=(
     # Printing (no USB printers on a pedal)
     cups cups-bsd cups-client cups-common cups-core-drivers cups-daemon cups-filters cups-ppdc cups-server-common
-    # Avahi/mDNS (not needed for local audio)
-    avahi-daemon avahi-autoipd avahi-utils
     # ModemManager
     modemmanager
     # Triggerhappy (input daemon — we handle GPIO ourselves)
@@ -181,7 +179,6 @@ fi
 info "Step 2: Disabling unnecessary systemd services..."
 
 SERVICES_TO_DISABLE=(
-    avahi-daemon
     triggerhappy
     ModemManager
     systemd-resolved