chore: remove deprecated LSP hook and cleanup plugin config

[amondnet]

Summary

Remove deprecated LSP hook and clean up plugin configuration as Claude Code now has native LSP support.

Changes

• hooks.json:
  • Remove deprecated LSP hook (Claude Code has native LSP diagnostics)
  • Remove SessionStart hook for ast-grep-context
  • Add error tolerance to format hook (|| true)
• plugin.json: Version bump to 0.1.15
• settings.json: Remove unused plugins (hookify, github, context7)

Rationale

Claude Code now provides native LSP diagnostics through the IDE integration, making the custom LSP hook redundant. The format hook now has error tolerance to prevent failures from blocking the workflow.

Test Plan

• Verify formatting hook still works with || true fallback
• Confirm LSP diagnostics work through Claude Code native support
• Test plugin loads correctly with updated configuration

[cloudflare-workers-and-pages]

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Latest commit:	3b35111
Status:	🚫  Build failed.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.71%. Comparing base (e5488e1) to head (3b35111).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #71      +/-   ##
==========================================
- Coverage   39.35%   38.71%   -0.65%     
==========================================
  Files          59       59              
  Lines        6489     6515      +26     
==========================================
- Hits         2554     2522      -32     
- Misses       3935     3993      +58     

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