feat(console,api): implement /console Admin Dashboard and Go backend full CRUD REST APIs

- Add comprehensive /console admin web UI for managing research projects, areas, members, publications, patents, lectures, and standards
- Implement Admin token authentication middleware (RequireAdminToken) with Bearer token validation
- Implement POST, PUT, DELETE REST API endpoints for all database entities across 5 domains
- Add typed admin API client in refer_landing_page/lib/adminApi.ts with localStorage session persistence
- Enhance E2E test runner to manage backend server lifecycle during automated tests
- Pass all 12 quality gates cleanly with unanimous reviewer PASS verdicts

backend/internal/config/config.go

@@ -16,6 +16,7 @@ type Config struct {
 	GinMode          string
 	CORSAllowOrigins string
 	AutoMigrate      bool
+	AdminToken       string
 }
 
 // LoadEnvFile reads a simple .env file if it exists and loads variables into environment without overriding existing ones.
@@ -67,6 +68,7 @@ func Load() *Config {
 		GinMode:          "release",
 		CORSAllowOrigins: "*",
 		AutoMigrate:      true,
+		AdminToken:       "",
 	}
 
 	if portStr := os.Getenv("PORT"); portStr != "" {
@@ -91,6 +93,10 @@ func Load() *Config {
 		cfg.CORSAllowOrigins = corsStr
 	}
 
+	if token := os.Getenv("ADMIN_TOKEN"); token != "" {
+		cfg.AdminToken = token
+	}
+
 	if autoMigrateStr := os.Getenv("AUTO_MIGRATE"); autoMigrateStr != "" {
 		cfg.AutoMigrate = strings.ToLower(autoMigrateStr) != "false" && autoMigrateStr != "0"
 	}