Two real fighters: KACHUJIN and VESPER, 11 moves each from Mixamo combat clips

- per-frame hips-centred rendering + root-motion export (the BKB .geo
  approach modernised): traveling clips stay pivot-stable, movement data
  goes to root_motion_frames in data.json
- engine: frame-indexed root motion, pushbox widened for real sprites
- clip set: ginga idle, walks, jump, block, punching/boxing/martelo
  normals, chapa-giratoria QCF special, hit react, knockdown
- verified in-game: demo jab connects, damage applied, mirroring correct

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

characters/kachujin/manifest.json

@@ -0,0 +1,26 @@
+{
+  "id": "kachujin",
+  "name": "KACHUJIN",
+  "health": 1000,
+  "walk_speed": 3.4,
+  "back_speed": 2.7,
+  "jump_velocity": -13.5,
+  "color": "#c03a2e",
+  "sprite_scale": 1.25,
+  "normals": {
+    "P": "jab",
+    "6P": "straight",
+    "K": "kick"
+  },
+  "command_moves": [
+    {
+      "motion": [
+        2,
+        3,
+        6
+      ],
+      "button": "P",
+      "move": "special"
+    }
+  ]
+}

characters/kachujin/moves/block/data.json

@@ -0,0 +1,640 @@
+{
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+  "total": 24,
+  "loop": false,
+  "startup": 10,
+  "active": [
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+  "hitstun": 16,
+  "blockstun": 10,
+  "pushback": 10,
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+  },
+  "hitboxes": {},
+  "root_motion_frames": []
+}

characters/kachujin/moves/hit/data.json

@@ -0,0 +1,640 @@
+{
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+  "loop": false,
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+  "root_motion_frames": []
+}