Add REQ-UI-BLUEPRINT-TEMP and a T entry in REQ-UI-HOTKEYS. Pressing T creates a temporary blueprint from the current selection and enters placement mode without naming, panel entry, or persistence; right-click exits and discards it. Capture and placement reuse existing saved- blueprint semantics. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VGNNLeFWhVzvxkK9qVXP2K