Add no-GUI boot mode and quieter boot diagnostics

iso/overlay/usr/local/bin/bee-gui-gate

@@ -0,0 +1,27 @@
+#!/bin/sh
+# bee-gui-gate — skip starting the local GUI when bee.gui=off is set.
+
+set -eu
+
+cmdline_param() {
+    key="$1"
+    for token in $(cat /proc/cmdline 2>/dev/null); do
+        case "$token" in
+            "$key"=*)
+                echo "${token#*=}"
+                return 0
+                ;;
+        esac
+    done
+    return 1
+}
+
+mode="$(cmdline_param bee.gui || true)"
+case "${mode}" in
+    off|false|0|tty|console|text|nogui)
+        echo "bee-gui-gate: bee.gui=${mode}; skipping lightdm"
+        exit 1
+        ;;
+esac
+
+exit 0

iso/overlay/usr/local/bin/bee-network.sh

@@ -1,8 +1,9 @@
 #!/bin/sh
 # bee-network.sh — bring up all physical network interfaces via DHCP
-# Unattended: runs silently, logs results, never blocks.
+# Unattended: starts later in boot, runs quietly, and gives up after a bounded timeout.
 
 LOG_PREFIX="bee-network"
+DHCP_TIMEOUT_SECS=300
 
 log() { echo "[$LOG_PREFIX] $*"; }
 
@@ -19,9 +20,50 @@ if command -v udevadm >/dev/null 2>&1; then
     udevadm settle --timeout=5 >/dev/null 2>&1 || log "WARN: udevadm settle timed out"
 fi
 
+start_dhcp() {
+    iface="$1"
+    if ! ip link set "$iface" up; then
+        log "WARN: could not bring up $iface"
+        return 1
+    fi
+
+    carrier=$(cat "/sys/class/net/$iface/carrier" 2>/dev/null || true)
+    if [ "$carrier" = "1" ]; then
+        log "carrier detected on $iface"
+    else
+        log "carrier not detected on $iface"
+    fi
+
+    dhclient -r "$iface" >/dev/null 2>&1 || true
+
+    if timeout "${DHCP_TIMEOUT_SECS}" dhclient -4 -q -1 "$iface" >/dev/null 2>&1; then
+        addr="$(ip -4 -o addr show dev "$iface" scope global 2>/dev/null | awk '{print $4}' | head -1)"
+        if [ -n "$addr" ]; then
+            log "DHCP lease acquired on $iface ($addr)"
+        else
+            log "DHCP lease acquired on $iface"
+        fi
+        return 0
+    fi
+
+    rc=$?
+    case "$rc" in
+        124)
+            log "DHCP timed out on $iface after ${DHCP_TIMEOUT_SECS}s"
+            ;;
+        *)
+            log "DHCP failed on $iface (exit $rc)"
+            ;;
+    esac
+    dhclient -r "$iface" >/dev/null 2>&1 || true
+    return 1
+}
+
 started_ifaces=""
 started_count=0
 scan_pass=1
+pids=""
+pid_ifaces=""
 
 # Some server NICs appear a bit later after module/firmware init. Do a small
 # bounded rescan window without turning network bring-up into a boot blocker.
@@ -34,22 +76,11 @@ while [ "$scan_pass" -le 3 ]; do
                 *" $iface "*) continue ;;
             esac
 
-            log "bringing up $iface"
-            if ! ip link set "$iface" up; then
-                log "WARN: could not bring up $iface"
-                continue
-            fi
-
-            carrier=$(cat "/sys/class/net/$iface/carrier" 2>/dev/null || true)
-            if [ "$carrier" = "1" ]; then
-                log "carrier detected on $iface"
-            else
-                log "carrier not detected yet on $iface"
-            fi
-
-            # DHCP in background — non-blocking, keep dhclient verbose output in the service log.
-            dhclient -4 -v -nw "$iface" &
-            log "DHCP started for $iface (pid $!)"
+            log "starting DHCP on $iface (timeout ${DHCP_TIMEOUT_SECS}s)"
+            start_dhcp "$iface" &
+            pid="$!"
+            pids="$pids $pid"
+            pid_ifaces="$pid_ifaces $pid:$iface"
 
             started_ifaces="$started_ifaces $iface"
             started_count=$((started_count + 1))
@@ -68,4 +99,15 @@ if [ "$started_count" -eq 0 ]; then
     exit 0
 fi
 
-log "done (interfaces started: $started_count)"
+success_count=0
+for pid_iface in $pid_ifaces; do
+    pid="${pid_iface%%:*}"
+    iface="${pid_iface#*:}"
+    if wait "$pid"; then
+        success_count=$((success_count + 1))
+    else
+        log "DHCP did not complete successfully on $iface"
+    fi
+done
+
+log "done (interfaces scanned: $started_count, leases acquired: $success_count)"