Complete world-model release: HTTP batch 1

Adds only verified files under world_models/v1/. Existing repository contents and main remain unchanged. Administrator merge requested.

world_models/v1/videos/seedance2/without_negative/bouncing_ball_rubber/seed_056.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fe2da82c936dac455ec6017fb9514d6906079a7e548b201a647ac3223d41c7e9
+size 989643