Initial snapshot: hand motion pipeline (Dyn-HaMR + dex-retargeting + SPIDER)

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

.gitignore

@@ -0,0 +1,18 @@
+# Source snapshot: runtime exclusions anchored to repository root.
+/output/
+/results/
+/logs/
+/weights/
+/dist/
+/.venv/
+/venv/
+/.dex/
+/.spider/
+/.cuda/
+/.hf_cache/
+/.torch_cache/
+/.spider_cache/
+/.uv_cache_spider/
+/.env
+__pycache__/
+*.pyc