test: add test suites for Projekt-KIQ-HP (12 tests) and andreknie.de validation (16 tests)

- Projekt-KIQ-HP: vitest + server API tests (health, login, auth, access-requests)
- andreknie.de: validation utility tests (email, contact, talk-request, newsletter, resource-download)
- db-planet-mcp-server: existing 7 tests confirmed working

dhive/Projekt-KIQ-HP/package.json

@@ -8,6 +8,7 @@
     "build": "vite build",
     "lint": "eslint .",
     "preview": "vite preview",
+    "test": "vitest run",
     "start:server": "node server/index.js"
   },
   "dependencies": {
@@ -22,6 +23,8 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
@@ -29,6 +32,8 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.5.2",
     "globals": "^17.4.0",
-    "vite": "^8.0.4"
+    "jsdom": "^29.1.1",
+    "vite": "^8.0.4",
+    "vitest": "^4.1.10"
   }
 }