Change pagefind output to _markbind/logs

[yihao03]

What is the purpose of this pull request?

• Documentation update
• Bug fix
• Feature addition or enhancement
• Code maintenance
• DevOps
• Improve developer experience
• Others, please explain:

Overview of changes:
Change pagefind log output from {projectRoot}/debug.log to {projectRoot}/_markbind/logs/pagefind.log

Anything you'd like to highlight/discuss:

Testing instructions:
Pull the branch and run markbind serve to ensure the log file is created at {projectRoot}/_markbind/logs/pagefind.log and not {projectRoot}/debug.log

Proposed commit message: (wrap lines at 72 characters)
Move pagefind log output to _markbind/logs/pagefind.log

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Checklist: ☑️

• Updated the documentation for feature additions and enhancements
• Added tests for bug fixes or features
• Linked all related issues
• No unrelated changes

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Reviewer checklist:

Indicate the SEMVER impact of the PR:

• Major (when you make incompatible API changes)
• Minor (when you add functionality in a backward compatible manner)
• Patch (when you make backward compatible bug fixes)

At the end of the review, please label the PR with the appropriate label: r.Major, r.Minor, r.Patch.

Breaking change release note preparation (if applicable):

• To be included in the release note for any feature that is made obsolete/breaking

Give a brief explanation note about:

• what was the old feature that was made obsolete
• any replacement feature (if any), and
• how the author should modify his website to migrate from the old feature to the replacement feature (if possible).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.32%. Comparing base (79c1860) to head (d20af87).

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #2897    +/-   ##
========================================
  Coverage   71.32%   71.32%            
========================================
  Files         133      133            
  Lines        7232     7234     +2     
  Branches     1714     1612   -102     
========================================
+ Hits         5158     5160     +2     
- Misses       1973     2068    +95     
+ Partials      101        6    -95     

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[yihao03]

The pagefind indexer doesn't use our default logger, therefore we have to explicitly pass the logsFolder path to it to ensure correct output location

[Copilot]

Pull request overview

Moves Pagefind’s log output from the project root (debug.log) into MarkBind’s internal logs directory (_markbind/logs/pagefind.log) to keep generated artifacts organized.

Changes:

• Update Pagefind createIndex options to write logs to {root}/_markbind/logs/pagefind.log.
• Update unit tests to expect the new logfile path.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
packages/core/src/Site/SiteGenerationManager.ts	Changes Pagefind logfile option to _markbind/logs/pagefind.log under the site root.
packages/core/test/unit/Site/SiteGenerationManager.test.ts	Adjusts Pagefind createIndex expectations to match the new logfile path.

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