feat: add application productivity foundations

packages/styles/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/styles",
-  "version": "0.8.18",
+  "version": "0.8.19",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/styles/src/config.ts

@@ -305,6 +305,13 @@ export interface AppConfig {
     storage?: "sqlite" | "database" | "memory";
     databaseName?: string;
     table?: string;
+    dashboard?: { enabled?: boolean; path?: string; permission?: string };
+  };
+  /** Driver-neutral mail defaults consumed by @wrnexus/mail/application drivers. */
+  mail?: {
+    from?: string;
+    queue?: string | boolean;
+    sandbox?: { enabled?: boolean; allowlist?: string[] };
   };
   /**
    * File-upload storage. Declare named stores (local dir or S3-compatible),