feat(interfaces): add structured data models and discriminated check configs; migrate tooling and package metadata

ts/data/checks/pwa.check.ts

@@ -1,7 +1,13 @@
-import { TCheckResultStatus } from './index.js';
+import type { TCheckResultStatus } from '../types.js';
 
+/**
+ * PWA check execution data.
+ * Used by check runners to store input and results.
+ */
 export interface IPwaCheck {
-  inputData: { domain: string };
+  inputData: {
+    domain: string;
+  };
   executionResults: Array<{
     subId: string;
     timeStarted: number;