fix(load_dotenv): remove load_dotenv()

[giuliastf]

This pull request removes the use of the python-dotenv library and all calls to load_dotenv() from both sample scripts and the CLI utility code.

Development Package

• Add this package as a dependency in your pyproject.toml:

[project]
dependencies = [
  # Exact version:
  "uipath-llamaindex==0.0.36.dev1000680211",

  # Any version from PR
  "uipath-llamaindex>=0.0.36.dev1000680000,<0.0.36.dev1000690000"
]

[[tool.uv.index]]
name = "testpypi"
url = "https://test.pypi.org/simple/"
publish-url = "https://test.pypi.org/legacy/"
explicit = true

[tool.uv.sources]
uipath-llamaindex = { index = "testpypi" }

[Copilot]

Pull Request Overview

This PR removes the python-dotenv library dependency by eliminating all imports and calls to load_dotenv() across the codebase. The changes affect both CLI utilities and sample scripts.

• Removed load_dotenv() import and call from CLI runner module
• Removed environment file loading functionality from the configuration utility
• Cleaned up sample scripts by removing dotenv imports and initialization calls

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/uipath_llamaindex/_cli/cli_run.py	Removed dotenv import and load_dotenv() call
src/uipath_llamaindex/_cli/_utils/_config.py	Removed dotenv import and env file loading logic
samples/quickstart-llamacloud/main.py	Removed dotenv import and load_dotenv() call
samples/multi-agent/main.py	Removed dotenv import and load_dotenv() call
samples/action-center-hitl-agent/main.py	Removed dotenv import and load_dotenv() call

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