video-workbench/projects/2026-06-23-在路上/slides/s45/s45-v1-brief.md

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# S-45 Slide Brief V1
## Status
- Line: production-light
- Running mode: prompt and generate
- Review mode: none
- Write policy: append-only; overwrite allowed: no
- Version resolved by folder scan: `s45-v1`
- Output status target: generated / validation pending
## Source Basis
- `intake/阶段五-镜头清单骨架.md`: S-45, lyric "别回头"; back view passes old footprints without looking back.
- `slides/slides.md`: closure into "continue"; style A / motif.
- `visual-system/visual-system.md`
- `visual-system/style/style-prompt-master.md`
- `visual-system/characters/character-reference-registry.md`
## Slide Function
Compress farewell into a physical action: old footprints remain behind; the traveler continues.
## First Read
Muddy footprints and old road trace first; back-view traveler moving past them second.
## Risk Class
medium/distant human, motif detail
## Reference Plan
- Style module: A Landscape-Led Road.
- Active style reference: `projects/2026-06-23-在路上/intake/imgs/A.风景主导型蓝图.png`
- Character reference: `projects/2026-06-23-在路上/visual-system/characters/character-slice-walk-back-v2-from-anchor.png`
- Visible-context roles for generation: Image 1 A road reference, Image 2 walking back identity reference.
## Visual Requirements
- Back view from behind the traveler.
- Old footprints visible in wet mud behind or beside him.
- He does not turn back.
- Frame leads into the coming C reveal; keep mud real.
## Character Handling
Use walking back slice for posture, coat/backpack silhouette, boots, and no-looking-back direction.
## Composition / Scale
Medium-wide or wide 16:9 frame. Footprints occupy foreground/midground; traveler about 1/10 to 1/7 of frame.
## Light / Color / Texture
Cold dark road or pre-dawn, damp mud, worn boot prints, restrained documentary light.
## Forbidden Drift
No sentimental portrait, no readable text, no clean symbolic footprints, no bright inspirational road.
## Acceptance Checklist
- Footprints are old and physical, not graphic symbols.
- Traveler continues away without turning.
- Mud and road remain real.
- Image status remains validation pending for parent/user confirmation.
## Prompt Handoff
Build the final prompt through the `gpt-image-2` Advisor / host-native workflow using A style and walking back character reference.