Update integration handoff and CONUS retraining notes

README.md

@@ -53,6 +53,7 @@ pretty_name: WildFIRE-FM
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM/tree/main/training">Training Pipeline</a> ·
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM/tree/main/spatial_serving">Spatial Serving</a> ·
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM/blob/main/training/NATIONWIDE_RETRAINING.md">CONUS Retraining</a> ·
+  <a href="https://huggingface.co/RAI-Lab/Wildfire-FM/blob/main/docs/hugh_handoff_status.md">Integration Handoff</a> ·
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM#task-contract-snapshot">Task Snapshot</a> ·
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM#data-sources">Data Sources</a> ·
   <a href="https://huggingface.co/RAI-Lab/Wildfire-FM#how-to-cite">How to Cite</a>
@@ -253,6 +254,7 @@ This Hub repository is a model release with paper-aligned reproducibility artifa
 | `training/NATIONWIDE_RETRAINING.md` | CONUS retraining recipe and data coverage notes | `stage1_cache_conus_hrrr_us_5km_l12_template.json` |
 | `spatial_serving/` | Grid-to-polygon serving adapter for custom spatial granularities | `grid_to_polygons.py` |
 | `data_downloader/hrrr_downloader.py` | Direct NOAA HRRR public archive downloader | `hrrr_download_manifest.json` |
+| `docs/hugh_handoff_status.md` | Integration answers for channel order, masks, normalization, HRRR, and serving boundary | handoff status |
 | `paper/` | Compiled paper PDF | `wildfire_fm_evaluation_contracts.pdf` |
 | `assets/` | Hub-page visuals and final-paper previews | `selection_regret_final.png` |
 | `paper_outputs/figures/` | Selected final-paper figure PDFs | `fig_rank_heatmap1.pdf` |