chore(main): release 0.9.1

[github-actions]

🤖 I have created a release beep boop

0.9.1 (2026-08-22)

🐛 Bug Fixes

• surface warning when config thresholds are invalid (#552) (e1dd130)
• verify source text on analysis cache hit to guard against hash collisions (#556) (7cf138e)

🚀 Performance

• avoid node.children array allocation in hot AST traversal loops (#554) (d10e517)
• hoist regex literals in C# ERROR-node heuristics to module scope (#555) (92200d9)

🔄 Refactoring

• remove unused ConfigurationManager.logCurrentConfiguration (#548) (572f97d)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.90%. Comparing base (3d82607) to head (c9515c2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #549   +/-   ##
=======================================
  Coverage   97.90%   97.90%           
=======================================
  Files          10       10           
  Lines        3765     3765           
  Branches      455      455           
=======================================
  Hits         3686     3686           
  Misses         79       79           

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[github-actions]

🤖 Created releases:

• v0.9.1

🌻