fix: prevent My Apps crash when installing apps + add filebrowser to demo

The My Apps page went blank after installing apps because pkg['static-files'].icon
was accessed without optional chaining on dynamically installed packages that lack
the static-files property.

- Make static-files optional in PackageDataEntry type
- Add defensive ?.icon access with fallback in Apps.vue and AppDetails.vue
- Add filebrowser to mock backend staticDevApps (enables Cloud page in demo)
- Expand portMappings and marketplaceMetadata for all marketplace apps
- installPackage now uses staticApp() format for consistent data shape

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/first-boot-containers.sh

@@ -162,10 +162,36 @@ fi
 if ! $DOCKER ps --format '{{.Names}}' 2>/dev/null | grep -qE '^lnd$'; then
   log "Creating LND..."
   mkdir -p /var/lib/archipelago/lnd
+  # Create lnd.conf so LND auto-connects to Bitcoin Knots via archy-net
+  if [ ! -f /var/lib/archipelago/lnd/lnd.conf ]; then
+    cat > /var/lib/archipelago/lnd/lnd.conf <<'LNDCONF'
+[Application Options]
+listen=0.0.0.0:9735
+rpclisten=0.0.0.0:10009
+restlisten=0.0.0.0:8080
+debuglevel=info
+noseedbackup=true
+tor.active=false
+
+[Bitcoin]
+bitcoin.mainnet=true
+bitcoin.node=bitcoind
+
+[Bitcoind]
+bitcoind.rpchost=bitcoin-knots:8332
+bitcoind.rpcuser=archipelago
+bitcoind.rpcpass=archipelago123
+bitcoind.rpcpolling=true
+bitcoind.estimatemode=ECONOMICAL
+
+[autopilot]
+autopilot.active=false
+LNDCONF
+    log "LND config created (archy-net → bitcoin-knots:8332, rpcpolling)"
+  fi
   $DOCKER run -d --name lnd --restart unless-stopped --network archy-net \
     -p 9735:9735 -p 10009:10009 -p 8080:8080 \
     -v /var/lib/archipelago/lnd:/root/.lnd \
-    -e BITCOIN_ACTIVE=1 \
     docker.io/lightninglabs/lnd:v0.18.4-beta 2>>"$LOG" || true
 fi
 
@@ -475,4 +501,38 @@ for ui in bitcoin-ui lnd-ui; do
   fi
 done
 
+# 10. Initialize backend data directories
+# tor-config: backend stores tor service configs here (writable by archipelago user)
+mkdir -p /var/lib/archipelago/tor-config
+SERVICES_JSON=/var/lib/archipelago/tor-config/services.json
+if [ ! -f "$SERVICES_JSON" ]; then
+  cat > "$SERVICES_JSON" <<'SJSON'
+{"services":[
+  {"name":"archipelago","local_port":80,"enabled":true},
+  {"name":"lnd","local_port":8081,"enabled":true},
+  {"name":"btcpay","local_port":23000,"enabled":true},
+  {"name":"mempool","local_port":4080,"enabled":true},
+  {"name":"fedimint","local_port":8175,"enabled":true}
+]}
+SJSON
+  log "Created initial tor-config/services.json"
+fi
+
+# identities: backend identity manager stores DIDs here
+mkdir -p /var/lib/archipelago/identities
+
+# Ensure archipelago user can write to these directories
+chown -R 1000:1000 /var/lib/archipelago/tor-config /var/lib/archipelago/identities 2>/dev/null || true
+
+# 11. Post-boot validation
+log "Validating container creation..."
+TOTAL=0; RUNNING=0
+for c in bitcoin-knots lnd btcpay-server fedimint homeassistant grafana uptime-kuma; do
+  TOTAL=$((TOTAL + 1))
+  if $DOCKER ps --format '{{.Names}}' 2>/dev/null | grep -q "$c"; then
+    RUNNING=$((RUNNING + 1))
+  fi
+done
+log "Post-boot validation: $RUNNING/$TOTAL core containers running"
+
 log "First-boot container creation complete"