extension not working

[TE_51_HarishSargar]

{

  "name": "AI-Email Replyer",

  "description": "AI powered email reply generatr",

  "version": "1.0",

  "manifest_version": 3,

  "action": {

    "default_title": "Email Writer Assistant"

  },

  "permissions": ["storage", "activeTab"],

  "host_permissions": [

    "http://localhost:8080/*",

    "https://mail.google.com/*"

  ],

  "content_scripts": [

    {

      "js": ["content.js"],

      "matches": ["https://mail.google.com/*"],

      "css": ["content.css"],

      "run_at": "document_start"

    }

  ],

  "web_accessible_resources": [

    {

      "resources": [ "icons/*" ],

      "matches": [ "https://mail.google.com/*" ]

    }

  ]

}

whats the reason the extension is not working (not printing anything in console)

in content.js

console.log("AI content script loaded here");