Description

The custom block is not visible in the gutenberg editor blocks tray when the option "--hot" is added to the command "wp-scripts start".

Step-by-step reproduction instructions

1. Create workspace "sample_workspace";
2. create (in the workspace ) a new block project with "npx @wordpress/create-block@latest sample-block" command and performs first build;
3. Create (in the workspace) the .wp-env.json file and add the plugin path to this config file;
4. Start the test environment with "wp-env"
5. launch "npx wp-scripts start --hot" command;
6. Navigate with the browser to the Gutenberg editor and open the blocks tray.

Screenshots, screen recording, code snippet

The used .wp-env.json:

{
 
  "plugins": [
    "https://downloads.wordpress.org/plugin/gutenberg.latest-stable.zip",
    "./sample-block"
  ],
  "config": {
    "WP_DEBUG": true,
    "SCRIPT_DEBUG": true
  }
}

Environment info

-Wordpress version: 6.9.4

• Browser: Google chrome146.0.7680.178 (Build ufficiale) (a 64 bit) (cohort: Stable)
• Operating system: Microsoft Windows 11 Home 25H2
• wp-env version: 11.3.0
• nodejs version: 22.22.2

Please confirm that you have searched existing issues in the repo.

• Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

• Yes

Please confirm which theme type you used for testing.

• Block
• Classic
• Hybrid (e.g. classic with theme.json)
• Not sure