Is it forbidden to bless a non-Jew because of the prohibition of lo techanem?

A source-based Torah discussion of the question: Is it forbidden to bless a non-Jew because of the prohibition of lo techanem? This localized discovery layer presents the canonical issue for search and study without adding a new practical ruling. The author-fidelity publication clearance is preserved, while the full Hebrew source remains the controlling text for its reasoning, qualifications and conclusion.