feature: Refactors backend runtime's communication mechanism to be more stable.

backend/api/backendruntime/core.go

@@ -0,0 +1,15 @@
+package backendruntime
+
+import "os"
+
+var (
+	AvailableBackends []*Backend
+	RunningBackends   map[uint]*Runtime
+	TempDir           string
+	isDevelopmentMode bool
+)
+
+func init() {
+	RunningBackends = make(map[uint]*Runtime)
+	isDevelopmentMode = os.Getenv("HERMES_DEVELOPMENT_MODE") != ""
+}