fix(queue-daemon): use kugetsu-log for timeout messages

Use log_warn and log_error instead of echo for unified log formatting.

skills/kugetsu/scripts/kugetsu-log.sh

@@ -1,6 +1,40 @@
 #!/bin/bash
 set -euo pipefail
 
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/kugetsu-config.sh"
+
+log() {
+    local level="${1:-}"
+    local component="${2:-}"
+    local message="${3:-}"
+    local timestamp
+    timestamp=$(date -Iseconds)
+
+    case "$level" in
+        info|warn|error|debug) ;;
+        *)
+            echo "Error: log level must be info|warn|error|debug" >&2
+            return 1
+            ;;
+    esac
+
+    if [ -z "$message" ]; then
+        message="$component"
+        component="${level}"
+        level="info"
+    fi
+
+    local masked
+    masked=$(mask_sensitive_vars "$message")
+    echo "[$timestamp] $level $component $masked"
+}
+
+log_debug() { log "debug" "$1" "${2:-}"; }
+log_info()  { log "info"  "$1" "${2:-}"; }
+log_warn()  { log "warn"  "$1" "${2:-}"; }
+log_error() { log "error" "$1" "${2:-}"; }
+
 cmd_logs() {
     local count="${1:-10}"
     

skills/kugetsu/scripts/kugetsu-queue-daemon.sh

@@ -41,6 +41,31 @@ check_task_completion() {
     local session_id=$(python3 -c "import json; print(json.load(open('$item')).get('opencode_session_id', ''))" 2>/dev/null)
     local issue_ref=$(python3 -c "import json; print(json.load(open('$item')).get('issue_ref', ''))" 2>/dev/null)
     local pid=$(python3 -c "import json; print(json.load(open('$item')).get('pid', ''))" 2>/dev/null)
+    local notified_at=$(python3 -c "import json; print(json.load(open('$item')).get('notified_at', ''))" 2>/dev/null)
+
+    local timed_out=false
+    if [ -n "$notified_at" ]; then
+        local notified_epoch=$(date -d "$notified_at" +%s 2>/dev/null || echo "0")
+        local now_epoch=$(date +%s)
+        local hours_elapsed=$(( (now_epoch - notified_epoch) / 3600 ))
+        if [ "$hours_elapsed" -ge "${TASK_TIMEOUT_HOURS:-1}" ]; then
+            timed_out=true
+            log_warn "queue-daemon" "Task $queue_id ($issue_ref) timed out after ${hours_elapsed}h"
+        fi
+    fi
+
+    if [ "$timed_out" = true ]; then
+        if [ -n "$pid" ] && [ "$pid" != "None" ]; then
+            kill "$pid" 2>/dev/null || true
+        fi
+        if [ -n "$session_id" ]; then
+            opencode session stop "$session_id" 2>/dev/null || true
+        fi
+        update_queue_item_state "$queue_id" "error"
+        log_error "queue-daemon" "Task $queue_id ($issue_ref) marked error — timeout after ${hours_elapsed}h"
+        release_lock "$issue_ref"
+        return
+    fi
 
     if [ -n "$pid" ] && [ "$pid" != "None" ]; then
         if ! kill -0 "$pid" 2>/dev/null; then