fix: merging dev changes to main

[Roopan-Microsoft]

Purpose

• This pull request updates the Azure deployment configuration to support multiple GPT model types and improves parameter clarity and flexibility. The most important changes are the addition of new parameters for different GPT models and reasoning models, updates to default values, and corresponding changes in infrastructure parameter files.

Support for multiple GPT models and reasoning models:

• Added new environment parameters for a dedicated GPT-4.1 model and a reasoning model, including deployment type, name, version, and capacity in docs/CustomizingAzdParameters.md, infra/main.parameters.json, and infra/main.waf.parameters.json. [1] [2] [3]

Parameter and default value updates:

• Updated default GPT model parameters to use gpt-4.1-mini (name), 2025-04-14 (version), and reduced capacity to 50. Also updated the Docker image tag default to latest_v3.
• Changed the ordering and grouping of parameters in documentation to reflect the new model options and defaults.

Documentation improvements:

• Removed outdated parameter descriptions from docs/DeploymentGuide.md to avoid confusion and ensure documentation matches the new configuration options.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information