Evoo build 68

Tool runner: read the turn markers as single tokens; stop on the end marker

The converted model file didn't flag <start_of_turn> as special, so prompts reached the model garbled.
Round-three model on 344 unseen phrasings: 79% fully right, 93% right tool, 370 ms.

Co-Authored-By: Claude Opus 5.5 noreply@anthropic.com

Install or update: see the README. Already installed? Evoo menu → Install Update.