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 +178,20 @@ tags
 
 wandb
 
-# Gemini CLI
+# Local assistant tooling
+.codex
+.codex/
+.claude
+.claude/
+.gemini
 .gemini/
+Gemini.md
+gemini.md
+
 gha-creds-*.json
+
+#jax cache
+.jax_cache/
+.mplconfig/
+
+.tpu_logs/