fix(agentcompat): decouple auto-lockdown and telemetry-only mode under agentcompat build tag

service/rpc/lockdown_agentcompat.go

@@ -0,0 +1,15 @@
+//go:build agentcompat
+
+package rpc
+
+import (
+	"github.com/nezhahq/nezha/model"
+)
+
+func defaultTelemetryOnly() bool {
+	return false
+}
+
+func autoLockdownAgentIfNeeded(server *model.Server) {
+	// agentcompat harness tests full agent control (MCP exec, terminal, FM)
+}