Parser tolerates plural sfx and 'lights'; guarantee ambient fade-out; record finish_reason and story tag counts; show server detail for no-vision; ADR-025

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Mrituanjay Nath Jhayesterday

Co-Authored-By: Claude Sonnet 5.5 noreply@anthropic.com Entire-Checkpoint: 01M665GYWNM94K4166RV6YGZF0