[BUG] "Execute Request" tool fails in Postman toolkit when environment variable contains nested variable

[hrachsg]

Steps to Reproduce:

1. Navigate to the Toolkits menu.

2. Create or open a Postman toolkit.

3. Configure environment variables as follows:

   {
     "api_path": "/api/v1",
     "full_path": "https://dev.elitea.ai{{api_path}}"
   }

4. Select Execut request tool

5. Provide request path(e.g., list folder) and click RUN TOOL

Actual Result:
The request fails due to an unresolved nested variable

Expected Result:
The request should resolve the nested variable and execute successfully. Example resolved URL:

Notes:

• Using a direct value without nesting works as expected:

  "full_path": "https://dev.elitea.ai/api/v1"

• Issue occurs only when one environment variable references another variable in its value.

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[andrewfroze]

ProjectAlita/alita-sdk#283

[hrachsg]

Verified on dev