{AuthV2} az webapp auth update: Fix --excluded-paths logic

[a0x1ab]

Related command

az webapp auth update -g {resource-group} --excluded-paths {paths}

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[azure-client-tools-bot-prd]

️✔️Azure CLI Extensions Breaking Change Test

️✔️Non Breaking Changes

[azure-client-tools-bot-prd]

Hi @a0x1ab,
Please write the description of changes which can be perceived by customers into HISTORY.rst.
If you want to release a new extension version, please update the version in setup.py as well.

[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

[github-actions]

The git hooks are available for azure-cli and azure-cli-extensions repos. They could help you run required checks before creating the PR.

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[Copilot]

Pull Request Overview

This PR fixes the logic for parsing the --excluded-paths parameter in the az webapp auth update command. The fix improves handling of different input formats including JSON arrays, comma-separated strings, and single paths.

• Replaces the problematic string slicing logic with proper JSON parsing and fallback to comma-separated parsing
• Adds comprehensive test coverage for various excluded paths input formats
• Ensures the command correctly handles JSON arrays, comma-separated values, and paths with special characters

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.

File	Description
src/authV2/azext_authV2/custom.py	Updates excluded paths parsing logic with proper JSON handling and fallback mechanisms
src/authV2/azext_authV2/tests/latest/test_authV2_scenario.py	Adds comprehensive test cases for different excluded paths input formats

[github-actions]

Hi @a0x1ab

Release Suggestions

Module: authV2

• Please log updates into to src/authV2/HISTORY.rst
• Update VERSION to 1.0.1 in src/authV2/setup.py

Notes

• For more info about extension versioning, please refer to Extension version schema

[a0x1ab]

Reopened from the correct feature branch here: #9311