[WIP] Rename LLM_MODEL to AZURE_DEPLOYMENT_NAME for clarity

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Coding agent has begun work on Rename LLM_MODEL to ... and will update this pull request as work progresses.

Original prompt

Rename LLM_MODEL to AZURE_DEPLOYMENT_NAME for Azure OpenAI clarity

This PR renames the environment variable from LLM_MODEL to AZURE_DEPLOYMENT_NAME for better clarity and consistency with Azure OpenAI deployments.

Changes Made

• Documentation: Updated README.md to reflect the new environment variable name in Azure target examples
• Configuration: Modified targets.yaml files to use AZURE_DEPLOYMENT_NAME instead of LLM_MODEL
• Templates: Updated .env.template with the new variable name
• Code Changes:
  • Updated cli.py to properly resolve the model setting from target configurations
  • Modified azure_deployment_diag.py to use the new environment variable
• Version Bump: Incremented version from 0.1.9 to 0.1.10 in pyproject.toml

Motivation

The previous naming LLM_MODEL was generic and could be confusing. AZURE_DEPLOYMENT_NAME is more specific and clearly indicates it's for Azure OpenAI deployment names, improving developer experience and reducing configuration errors.

Testing

• Verified that the CLI properly resolves environment variables from target settings
• Confirmed diagnostic script uses the correct variable
• Updated all example configurations to use the new naming

Created from VS Code via the GitHub Pull Request extension.

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