Approve Ma Dai handpainted sprite v1

docs/unit-sprite-ma-dai-v1-approval-packet.md

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+# Ma Dai hand-painted sprite v1 approval packet
+
+- Unit: `unit-ma-dai`
+- Candidate version: `v1`
+- Source sheet: `docs/handpaint-batch7-ma-dai-source-v2.png`
+- Contact sheet: `docs/handpaint-batch7-ma-dai-v1-contact.png`
+- Animation GIF: `docs/handpaint-batch7-ma-dai-v1-animation.gif`
+- Before/after: `docs/handpaint-batch7-ma-dai-v1-before-after.png`
+- Battle composite: `docs/handpaint-batch7-ma-dai-v1-battle-composite.png`
+- Scale compare: `docs/handpaint-batch7-ma-dai-v1-scale-compare.png`
+- Local browser check: `docs/handpaint-batch7-ma-dai-v1-debug-preview-battle-check.png`
+- Current approval board: `docs/unit-sprite-current-approval-board.png`
+
+## Visual Decision
+
+- Approved for continuous production run.
+- Direction: disciplined Xiliang follow-up cavalry officer on a dark horse, with olive/iron armor, compact helmet, and controlled spear/saber poses.
+- The 100% PC browser debug preview reads as a mounted support cavalry commander, distinct from Ma Chao's white horse and brighter silver lead-lancer silhouette.
+- The unit body is opaque and readable at battle scale without base rings, completion badges, slash effects, or other external readability helpers.
+
+## Technical Checks
+
+- Local build: `pnpm build` passed.
+- Local browser URL: `http://127.0.0.1:4173/heros_web/?debug&debugSpritePreview=unit-ma-dai&v=ma-dai-v1`
+- Local browser console errors: `0`
+- Local browser 404s: `0`
+- Base partial alpha: `0`
+- Action partial alpha: `0`
+- Base frame border hits: `0`
+- Action frame border hits: `0`
+- Base battle size from audit: `27.0..39.8 x 46.0..46.3`
+
+## Notes
+
+- An earlier generated source with white motion trails was discarded because it could read like extra UI/effect decoration.
+- The accepted source keeps the mounted silhouette clean and effect-free.