Add TempFile.GeneratePath and TempDirectory.GeneratePath

[Copilot]

Adds static GeneratePath() methods to TempFile and TempDirectory that return a unique temp path string without touching the filesystem. Refactors Create() to delegate path generation to GeneratePath(), eliminating duplicated logic.

Changes

• TempFile.GeneratePath() — returns a GUID-based .tmp path under the system temp directory
• TempDirectory.GeneratePath() — returns a GUID-based directory path under the system temp directory
• TempFile.Create / TempDirectory.Create — now call GeneratePath() internally instead of inlining equivalent logic

Usage

// Get a unique path without creating anything on disk
string path = TempFile.GeneratePath();
string dirPath = TempDirectory.GeneratePath();

// Create still works as before, now backed by GeneratePath
using var tempFile = TempFile.Create();
using var tempDir = TempDirectory.Create();

[codecov]

Codecov Report

❌ Patch coverage is 81.81818% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.18%. Comparing base (d97cf77) to head (b0005fa).
⚠️ Report is 1 commits behind head on prime.

Files with missing lines	Patch %	Lines
PowerKit/TempDirectory.cs	71.42%	1 Missing and 1 partial ⚠️
PowerKit/TempFile.cs	71.42%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            prime      #37      +/-   ##
==========================================
+ Coverage   94.08%   94.18%   +0.09%     
==========================================
  Files          76       76              
  Lines        1489     1497       +8     
  Branches      124      125       +1     
==========================================
+ Hits         1401     1410       +9     
+ Misses         67       65       -2     
- Partials       21       22       +1     

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[Copilot]

Pull request overview

Adds new GeneratePath() helpers to produce unique temp file/directory paths (without creating anything), and refactors Create() to reuse that shared path-generation logic.

Changes:

• Added TempFile.GeneratePath() returning a GUID-based *.tmp path under the system temp directory.
• Added TempDirectory.GeneratePath() returning a GUID-based directory path under the system temp directory.
• Updated TempFile.Create() / TempDirectory.Create() to call GeneratePath() and added basic tests for the new APIs.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
PowerKit/TempFile.cs	Adds GeneratePath() and refactors Create() to delegate temp path generation.
PowerKit/TempDirectory.cs	Adds GeneratePath() and refactors Create() to delegate temp path generation.
PowerKit.Tests/TempFileTests.cs	Adds a unit test validating GeneratePath() returns a non-empty path and doesn’t create a file.
PowerKit.Tests/TempDirectoryTests.cs	Adds a unit test validating GeneratePath() returns a non-empty path and doesn’t create a directory.

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