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Task 4 created and tested router.KnowledgePrompt() but the live path in LLMPhraser.PhraseQuery used a separate hardcoded copy of the same RU anti-hallucination prompt, leaving KnowledgePrompt() as dead code and two strings that could drift. Point the phraser at the tested helper so there is a single source of truth. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>