Security: upgrade to wss:// (TLS) + update agent binaries

- Install scripts now connect via wss:// (encrypted WebSocket)
- Agent binaries rebuilt with TLS support (self-signed cert skip)

website/agent.ps1

@@ -7,7 +7,7 @@
 try { chcp 65001 | Out-Null } catch {}
 Set-ExecutionPolicy Bypass -Scope Process -Force -ErrorAction SilentlyContinue
 
-$RELAY_SERVER = "ws://47.107.130.152:8900"
+$RELAY_SERVER = "wss://47.107.130.152:8900"
 $DOWNLOAD_URL = "https://u-claw.org/downloads/agent.exe"
 $AGENT_DIR = "$env:TEMP\uclaw"
 $AGENT_PATH = "$AGENT_DIR\agent.exe"

website/agent.sh

@@ -6,7 +6,7 @@
 
 set -e
 
-RELAY_SERVER="ws://47.107.130.152:8900"
+RELAY_SERVER="wss://47.107.130.152:8900"
 TOKEN="uclaw-agent-pub"
 TIMEOUT_HOURS=2
 AGENT_DIR="/tmp/uclaw"