Add Legendary Moses card and production guidance

in-progress/cards/BP-001-moses/history/revisions/v01/source/concepts.md

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+# Moses — composition exploration
+
+BP-001 / Moses / Legendary, catalogue identity confirmed from `docs/sanctification-master-card-catalog.xlsx`. The catalogue reserves Red Sea and Sinai actions for their event cards and describes Moses as “Authority with dependence.” The user supplied the exact verse excerpt; the reference spelling is normalized to Deuteronomy.
+
+1. **The Threshold — selected.** Moses stands beside the tent opening, turned quietly toward the presence while the camp recedes behind. The lighting connects face, curtain and threshold. This most directly holds intimacy and responsibility in one still image.
+2. **Returning to the people.** Moses steps from the tent toward the camp, looking back. Strong narrative movement, but departure becomes the action and weakens the requested calm.
+3. **Held in the cloud.** A close portrait against an enclosing cloud and a very small camp. Iconic scale, but risks theatrical radiance and loses the tent/camp relationship.
+
+## Bespoke Legendary direction
+
+Explore the tent threshold as the later boundary between illustration and backing. A complete curtain attached to the tent can carry its hanging folds over a future backing edge; broad cloud panes can curve around that edge. This would connect sacred presence to the card’s physical composition without repeating David’s mantle. The curtain is the primary concrete overlap candidate; cloud is an atmospheric alternative, not a mandated special effect. Do not extract or assemble either until artwork approval and a composed-preview request.
+
+## Provisional layout assumptions
+
+No Moses tier template exists. David’s accepted bespoke layout is a clearance surrogate only: its title occupies the upper-right approximately x1048–1942/y58–365 on the 2000×2800 master, and verse backing begins around y2075 in x466–1942. Moses’s later layout must be bespoke, not a David clone. Generation reserves quiet upper sky and lower-right scene continuation; focal face, hands and threshold should remain above the lower quarter. Covered regions still receive complete full-bleed art. No guide overlay or final panel geometry is generated at this stage.
+
+## Model and provenance
+
+Art direction and prompt authored by Astra with medium reasoning, as requested. Raster generation uses the built-in image generation tool; the direction model is distinct from the image renderer. Exact generation prompt is retained in `prompt.txt`.