Update startup.sh for CodeBrain

startup.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+# Extract mind name from config for Tailscale hostname
+MIND_NAME=$(cat /home/megamind/config.json | sed -n 's/.*"name"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -1 | tr '[:upper:]' '[:lower:]' | tr ' ' '-')
+TS_HOSTNAME="megamind-${MIND_NAME}"
+
+# Start Tailscale if auth key is available
+if [ -n "$TS_AUTHKEY" ]; then
+    echo "[startup] Starting Tailscale as ${TS_HOSTNAME}..."
+    tailscaled --tun=userspace-networking \
+        --statedir=/var/lib/tailscale \
+        --socket=/var/run/tailscale/tailscaled.sock &
+    sleep 2
+
+    tailscale up \
+        --authkey="$TS_AUTHKEY" \
+        --hostname="$TS_HOSTNAME" \
+        --accept-routes \
+        --socket=/var/run/tailscale/tailscaled.sock
+
+    echo "[startup] Tailscale connected as ${TS_HOSTNAME}"
+    tailscale status --socket=/var/run/tailscale/tailscaled.sock 2>/dev/null || true
+else
+    echo "[startup] No TS_AUTHKEY set, running without Tailscale"
+fi
+
+echo "[startup] Starting MEGAMIND: ${MIND_NAME}"
+exec megamind -config /home/megamind/config.json -port 7860