refactor(runtime): environment contract doc and failing services (#20293)

core/appmodule/environment.go

@@ -5,4 +5,5 @@ import (
 )
 
 // Environment is used to get all services to their respective module
+// Contract: All fields of environment are always populated.
 type Environment = appmodule.Environment

core/appmodule/v2/environment.go

@@ -12,6 +12,7 @@ import (
 )
 
 // Environment is used to get all services to their respective module
+// Contract: All fields of environment are always populated.
 type Environment struct {
 	Logger log.Logger