feat: Add effect of smtp & withWrapperData

lib/config/builder/config.ts

@@ -114,6 +114,9 @@ export class Config<Type extends Record<string, any>, WD> {
       },
     }
   }
+  withWrapperData<NewWrapperData extends WD>() {
+    return this as any as Config<Type, NewWrapperData>
+  }
 }
 
 export function topConfig<WrapperData>() {

lib/config/builder/value.ts

@@ -626,4 +626,8 @@ export class Value<Type, WD> {
       a.validator,
     )
   }
+
+  withWrapperData<NewWrapperData extends WD>() {
+    return this as any as Value<Type, NewWrapperData>
+  }
 }

lib/config/builder/variants.ts

@@ -103,4 +103,8 @@ export class Variants<Type, WD> {
       return variants
     }, validator)
   }
+
+  withWrapperData<NewWrapperData extends WD>() {
+    return this as any as Variants<Type, NewWrapperData>
+  }
 }

lib/config/constants.ts

@@ -1,4 +1,5 @@
-import { Config, Value, Variants } from "./builder"
+import { SmtpValue } from "../types"
+import { Config, Value, Variants, topConfig } from "./builder"
 
 export const smtpConfig = Value.union(
   {
@@ -11,7 +12,7 @@ export const smtpConfig = Value.union(
     system: { name: "System Credentials", spec: Config.of({}) },
     custom: {
       name: "Custom Credentials",
-      spec: Config.of({
+      spec: Config.of<SmtpValue, unknown>({
         server: Value.text({
           name: "SMTP Server",
           required: {