fix: avoid validation error when issue body is empty

[z-Fng]

Motivation

GithubActions/src/Action/Issue/Extraction.psm1

Lines 77 to 78 in 63f20ef

	[Parameter(Mandatory = $true)]
	[string] $IssueBody

The mandatory parameter validation was failing because the issue body could be empty.

INFO: Issue initialized
Detected issue type: Decompression/Extraction error.
Show-ExtractionHelpDoc: Cannot bind argument to parameter 'IssueBody' because it is an empty string.
INFO: Issue finished

Related Issues/PRs

• fix: format and lint #78
• rizin@0.8.2: decompress error Main#8014
  • https://github.com/ScoopInstaller/Main/actions/runs/25908638224/job/76147869244
• ollama-full@0.24.0: decompress error Extras#17821

Summary by CodeRabbit

Release Notes

• Enhancements
  • Improved parameter handling to accept empty string values in issue body field processing.

[coderabbitai]

Walkthrough

The IssueBody parameter in Show-ExtractionHelpDoc now has the [AllowEmptyString()] attribute, which changes PowerShell parameter-binding behavior to explicitly permit empty-string input rather than treating it as missing.

Changes

IssueBody Parameter Enhancement

Layer / File(s)	Summary
Allow empty-string binding for IssueBody parameter src/Action/Issue/Extraction.psm1	The IssueBody parameter of Show-ExtractionHelpDoc gains [AllowEmptyString()] attribute to enable empty-string input handling.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• ScoopInstaller/GithubActions#78: Both PRs modify src/Action/Issue/Extraction.psm1's Show-ExtractionHelpDoc handling of the IssueBody input (one changes the IssueBody parameter binding via [AllowEmptyString()], the other adjusts how $IssueBody drives the help/tip content).

Poem

🐰 A string so empty, yet so fine,
Now AllowEmptyString makes it mine!
Parameter binding, crisp and clear,
The PowerShell magic is here! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'fix: avoid validation error when issue body is empty' directly and clearly summarizes the main change—adding [AllowEmptyString()] to the IssueBody parameter to permit empty strings and prevent validation errors.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[z-Fng]

cc: @chawyehsu