Add WAN animate pipeline support

Author: csgoogle

.gitignore

@@ -168,6 +168,7 @@ tags
 .DS_Store
 # RL pipelines may produce mp4 outputs
 *.mp4
+!assets/wan_animate/**/*.mp4
 
 # dependencies
 /transformers
@@ -177,6 +178,14 @@ tags
 
 wandb
 
-# Gemini CLI
+# Local assistant tooling
 .gemini/
+.claude/
+.codex/
+
 gha-creds-*.json
+
+#jax cache
+.jax_cache/
+.mplconfig/
+.tpu_logs/