- Tool mapping table: "每条旅程至少1张" → "每个用户步骤必须截图"
- Prohibited behaviors: split into 2 specific violations (missing call + wrong path/ext)
- Pre-execution checklist: added per-step screenshot + filename format items
- Execution template: changed to tool-call format with explicit filename and type
- validation-mode: step 5 screenshot format aligned
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>