Add support to AppGw Exception feature

[yanivha6]

Description

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

  • General release
  • Public preview
  • Private preview
  • Engineering build
  • No need for a release

• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
  • Update src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md.
    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

[azure-client-tools-bot-prd]

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[Copilot]

Pull Request Overview

Add support for Application Gateway WAF Exceptions by introducing a new exception cmdlet and wiring it through models, help, exports, and tests.

• Introduce New-AzApplicationGatewayFirewallPolicyException cmdlet and PS model
• Extend managed rules cmdlets/models to accept exception entries
• Update help files, module exports, changelog, and add scenario tests

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
src/Network/Network/help/New-AzApplicationGatewayFirewallPolicyManagedRule.md	Added -Exception parameter to syntax and documented it
src/Network/Network/help/New-AzApplicationGatewayFirewallPolicyException.md	Created help file for the new exception cmdlet
src/Network/Network/help/Az.Network.md	Added reference to the new exception cmdlet
src/Network/Network/Models/PSApplicationGatewayFirewallPolicyManagedRules.cs	Added Exceptions property to PS model
src/Network/Network/Models/PSApplicationGatewayFirewallPolicyException.cs	Introduced PS model for exception entries
src/Network/Network/FirewallPolicy/ManagedRules/Exception/NewAzureApplicationGatewayFirewallPolicyExceptionCommand.cs	Implemented the New-...Exception cmdlet
src/Network/Network/FirewallPolicy/ManagedRules/Exception/AzureApplicationGatewayFirewallPolicyException.cs	Defined base parameters and logic for exceptions
src/Network/Network/FirewallPolicy/ManagedRules/AzureApplicationGatewayFirewallPolicyManagedRules.cs	Added Exception parameter to managed rules cmdlet
src/Network/Network/ChangeLog.md	Logged the new exception cmdlet
src/Network/Network/Az.Network.psd1	Exported the new exception cmdlet
src/Network/Network.Test/ScenarioTests/ApplicationGatewayTests.ps1	Added PowerShell scenario test for exceptions
src/Network/Network.Test/ScenarioTests/ApplicationGatewayTests.cs	Added C# test harness for exception scenario

Comments suppressed due to low confidence (1)

src/Network/Network/FirewallPolicy/ManagedRules/AzureApplicationGatewayFirewallPolicyManagedRules.cs:40

• Rename the Exception property to Exceptions (plural) to match the PS model property and make the API consistent.

public PSApplicationGatewayFirewallPolicyException[] Exception { get; set; }

[vidai-msft]

/azp run

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[yanivha6]

/azp run

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[vidai-msft]

/azp run

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[github-actions]

This PR was labeled "needs-revision" because it has unresolved review comments or CI failures.
Please resolve all open review comments and make sure all CI checks are green. Refer to our guide to troubleshoot common CI failures.

[vidai-msft]

/azp run

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[vidai-msft]

LGTM