docs(space): add SPATA2-inspired AnnData utilities tutorial

docs/Tutorial.md

@@ -91,6 +91,7 @@ This page is the markdown overview for the tutorial structure defined in `mkdocs
 
 ## Spatial Transcriptomics
 
+- [SPATA2-inspired AnnData spatial utilities](Tutorials-space/t_spata2py.ipynb)
 - [Space tutorial overview](Tutorials-space/index.md)
 - Preprocess
   - [Crop and Rotation of spatial transcriptomic data](Tutorials-space/t_crop_rotate.ipynb)

docs/Tutorials-space/index.md

@@ -2,6 +2,10 @@
 
 This page mirrors the `Space` section in `mkdocs.yml` and provides a markdown entry point for the spatial tutorial notebooks.
 
+## SPATA2-inspired utilities
+
+- [SPATA2-inspired AnnData spatial utilities](t_spata2py.ipynb) - coordinate tables, variable joins, tissue outlines, spatial outlier filtering, unit conversion, benchmark, and a clear note that this is not full SPATA2 parity.
+
 ## Preprocess
 
 - [Crop and Rotation of spatial transcriptomic data](t_crop_rotate.ipynb)