Why LLMs Fail at Turkish Characters: A Deterministic Fix with Claude Code

Large language models systematically drop Turkish diacritics (ç, ğ, ı, ö, ş, ü) during long-form content generation. The development process behind a zero-token-cost Claude Code plugin that solves this.

Ceyhun Enki Aksan
Ceyhun Enki Aksan Entrepreneur, Maker
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LLMs drop Turkish diacritics (ç, ğ, ı, ö, ş, ü) during long-form generation. Prompt-level warnings are insufficient. I built a Claude Code plugin with a 4-layer hunspell-based PostToolUse hook that validates every edit automatically. Tested on 201 real posts, averaging 4.8s per file, zero timeouts.

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