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Angular & PWA: disable caching for .json file

I do not understand what's wrong with a clean&basic setup of Angular+PWA. Every time I visit my webpage I need to fetch actual&latest /assets/fakit.json file without any caching. But as a result, (btw 200 OK) I see that this file is coming from service worker: enter image description here I tried a lot of ngsw configs, but this particular file is outdated in a lot of cases. Sometimes it's refreshed only via ctrl+f5 in chrome.

My ngsw-config.json looks so:

{
  "$schema":"./node_modules/@angular/service-worker/config/schema.json",
  "index":"/index.html",
  "assetGroups":[
    {
      "name":"app",
      "installMode":"prefetch",
      "resources":{
        "files":[
          "/favicon.ico",
          "/index.html",
          "/manifest.webmanifest",
          "/*.css",
          "/*.js"
        ]
      }
    },
    {
      "name":"assets",
      "installMode":"prefetch",
      "updateMode":"prefetch",
      "resources":{
        "files":[
          "/assets/**",
          "!/*.json"
        ]
      }
    }
  ],
  "dataGroups":[
    {
      "name":"version",
      "urls":[
        "/assets/fakit.json",
        "/assets/lang/fr.json"
      ],
      "cacheConfig":{
        "maxSize":10,
        "maxAge": "0",
        "timeout":" 1000",
        "strategy":"freshness"
      }
    }
  ]
}

also I tried it so:

{
  "$schema": "./node_modules/@angular/service-worker/config/schema.json",
  "index": "/index.html",
  "assetGroups": [
    {
      "name": "app",
      "installMode": "prefetch",
      "resources": {
        "files": [
          "/favicon.ico",
          "/index.html",
          "/manifest.webmanifest",
          "/*.css",
          "/*.js"
        ]
      }
    },
    {
      "name": "assets",
      "installMode": "prefetch",
      "updateMode": "prefetch",
      "resources": {
        "files": [
          "/assets/**",
          "/*.(svg|cur|jpg|jpeg|json|png|apng|webp|avif|gif|otf|ttf|woff|woff2)"
        ]
      }
    }
  ]
}

What did I do wrong? How can I disable any kind of cache for my PWA Angular app & *.json files? It happens on mobile & browsers as well.

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